SEFUSE®
Contents
1. Rated Voltage UL cUL AC120V 20A Resistive 10A Resistive AC250V 15A Resistive 16A Resistive VDE 10A 15A CCC 10A 15A KTL 10A 15A PSE 6 10A 15A 5 The following SF types have passed the Conductive Heat Aging Test CHAT specified by the UL safety standard SF184R SF188 SF214 SF229R and SF240R 6 With respect to the PSE standard SF R is separately available for 10A and 15A ratings Please select the appropriate product rating according to the specifications of the final application Standard Ratings SFH R series Dimension Unit mm 1 0 0 1 24 0 0 2 Le 21 0 0 1 18 5 33 3 0 JI 8 540 5 l 3343 0 Note The dimensions for long lead devices are in parentheses Marking 1 SFH106R SFH129R Marking 2 SFH134R SFH172R KH SEFUSE Brand Name SEFUSET Brand Name H 1 1 7 R 0 Part Number H 17 2 R 1f Part Number CCC Mark 121C Rated Functioning CCC Mark 176C _ Rated Functioning Temperature Temperature OC 15A Rated Current OC 15A 4 Rated Current Factory Code 1392 Lot Number Factory Code i 1392 Lot Number How to read a lot number Factory Code represents the factory location as shown below Thailand C ex KS 92 T Sub lot number Month Last two digit of year Ratings 1 2 3 6 UL cUL VDE CEG KTL Dee Part Rated Bed A Thailand SC EE ee Th Tm See ce2. Internal Resistance mQ 25mm 2 7 2 9 3 1 3 8 4 3 4 8 4 4 4 7 5 0 Internal Resistance mQ 25mm 5 6 6 1 gt 6 6 5 7 6 2 2 gt 2 6 7 Internal Resistance mQ 25mm 6 4 7 2 8 0 Operating Temperature C 124 4 125 4 126 4 137 138 139 145 146 VV 147 Operating Temperature C 137 138 139 145 5 146 5 gt 147 5 Operating Temperature C 145 5 146 5 147 5 SM A series Temperature Rise C Response Time sec SM146A _ gt SM150A z 30 O 30 SM110A SM137A SM125A O 25 SM072A SM137A g 20 SM092A SM146A 2 E SM110A SM150A g 20 SMO7ZA E SM125A 5 r e 2 Q 19 SM092A e 10 E 40 Q e 5 S o E 0 10 20 30 40 6 0 4 2 3 4 5 6 7 A La Temperature Difference Current oil temp minus operating temp SM B series Temperature Rise 6 Response Time sec 30 SM137B 30 SM146B B SM110B SM150B 2 2 e SM092B SM137B 2 SM110B SM146B SE 2 20 SM125B SM150B 20 3 E g SM092B KR 15 2 D E gt 10 Z 10 oO ES e 2 3 o 0 R E 10 20 30 40 6 DE 0 1 2 3 4 5 6 A Temperature Difference Current oil temp minus operating temp SM G series Temperature Rise Response Time sec SM137G 30 SM146G 25 2 E 20 SM110G z m 2 iz SM110G 15 E SM137G 3 SM146G 2 oO oO 10 E 10 2 e e 2 5 o S oO 0 o e 10 20 30 40 C 0 1 2 3 4 5 A iz Temperature Difference Current oil tem
3. qe SM092B 97 92 3 2 200 3 5A DC50V 5009 1016 SM110B 115 11042 125 4A 677802 5001 1011 3 oun vm aa Resisive SA Em deeman 71 C116 ege ge 200 AC250V DC50V 0004 5002 SM146B 151 146 3 2 1013 SM150B 150 Note 1 No use of hazardous substances prescribed by WEEE and RoHS All products do not use SVHC prescribed by REACH 144 substances 20 June 2013 2 For standard lead length type add the suffix 0 at the end of the part number For long lead length type add the suffix 1 at the end of the part number 3 DC ratings are approved by UL and VDE Ratings 1 2 Electrical Ratings UL CSA VDE BEAB CCC PSE Rated Part Number Functioning Operating Tm 3 Thailand 0 1 Temperature Temperature AC DC Thailand Thailand Thailand Thailand Thailand JET1974 0 standard Tf 32001 1 lon o C Cc SM110G 115 11042 125 0 5A 677802 1011 SM137G 142 137 3 2 200 Resistive 5A DC50V E71747 ew 1171 C1157 pn 1013 SM146G 151 146 3 2 AC250V 0003 Note 1 No use of hazardous substances prescribed by WEEE and RoHS All products do not use SVHC prescribed by REACH 144 substances 20 June 2013 2 For standard lead length type add the suffix 0 at the end of the part number For long lead length type add the suffix 1 at the end of the part number 3 DC ratings are approved by UL and VDE Standard Ratings Mak 1 35 D6T series
4. 1 Dimension Unit mm EE Marking 4 0 0 2 SEFUSE How to read a lot number Brand Name D6T ex 0 9 A SER USE OOO D6ETOOO series DOE Lot Number Month 16 01 0 KE October EE November Zen December Last one digit of year D6X series Dimension Unit mm 16 0 1 0 Marking ee Elam Brand Name 4 0 0 2 SEFUSE How to read a lot number Series Lot Number D6XOOO gt 90 a A T Sub lot number Month 16 041 0 EE October Nines November Zece December Last one digit of year D6WX series Dimension Unit mm 14 8 1 0 Marking 2 SEFUSE e EE U e E Brand Name EE D6WX How to read a lot number D6WX Series OOO ex 0 9 A T Sub lot OOO Lot Number Kater d Month Leer EE October REES November Zr December Last one digit of year Ratings Part Number D6T S1 D6T 215 S1 D6T 050 S1 D6X D6X 215 D6X 050 D6WX D6WX 215 D6WX 050 1 Rated Functioning Temperature Tf 139 Operating Temperature 13623 Tm 180 Note 1 No use of hazardous substances prescribed by WEEE and RoHS All products do not use SVHC prescribed by REACH 144 substances 20 June 2013 Rated Current Voltage DC 12A 32V 12A 32V 15A 32V Heater Resistance Q 50 0420 21 54 20 5 0420 50 0420 21 5420 5 0420 50 0420 21 54 20 5 0 20 15 UL cUL VDE Thailand Thailand 677802 E71747 1171 0008 Performance Data SF R series SFH R series SF
5. K series SF Y series Internal resistance mQ 25mm 0 5 1 0 1 5 2 0 SF Y SF R SFH R SF K Initial operating temperature SF R series SF K series SF Y series Part Number SF70R K Y SF76R K Y SF81R SF9OR K Y SF94R SF96K Y Initial operating temperature SFH R series Part Number SFH106R SFH109R SFH113R SFH117R 69 70 71 73 74 75 82 83 84 89 90 91 93 94 95 95 96 97 105 106 107 108 109 110 112 113 114 116 117 118 Operating Temperature C LZ gt gt gt D2 Operating Temperature YU UY Part Number SF119R K Y SF129R Y SF139R Y SF144R SF150R Y SF167R Y Part Number SFH124R SFH129R SFH134R SFH152R Operating Temperature 118 119 120 129 130 131 138 139 140 140 141 142 148 149 150 163 164 165 123 0 E YI MY Operating Temperature C Part Number SF184R Y SF188R K Y SF214R K Y SF229R Y SF240R Y Part Number 124 gt SFH162R 125 128 129 130 133 134 135 151 152 153 gt Wees SFH172R Operating Temperature 181 182 183 189 190 191 212 213 214 227 228 229 235 236 237 C UV vv gt Operating Temperature 161 162 163 171 172 173 VV Temperature Rise C 40 30 oO 2 a g Ka 20 a E oO 10 0 0 Response Time sec 3 O
6. and 15A ratings Please select the appropriate product rating according to the specifications of the final application Standard Ratings SF K series Dimension Unit mm 00 58 40 05 g3 0 0 2 20 6 0 05 l 7 540 5 40 5 II 3541 5 Note The value in parentheses is a reference value Marking 1 SF70K SF119K Marking 2 SF188K SF214K How to read a lot number SEFUSE Brand Name S E F U SE Brand Name ex 13 9 2 Rated Current SF 70K Part Number l Rated Current SF 1 88K m Part Number us 73C Rated Functioning 192 C H rated Functioning number Temperature Temperature 6A 250V 6A 250V p veni PSE Mark r PSE Rated Voltage PSE Mark PSE Rated Voltage Gees October CCC Mark JET Inspector Name CCC Mark K JET f Inspector Name ee KH KH Factory Code 1392 Lot Number Factory Code 12072 Lot Number Last two digit of year Factory Code represents the factory location as shown next Thailand C SF Y Series Dimension Unit mm N 9 2 E N S F ka H Ge ka Ge 8 20 35 3 0 11 0 5 3543 0 Marking 1 SF70Y SF129Y r lt lt Note The dimensions for long lead devices are in parentheses Marking 2 SF139Y SF240Y gt How to read a lot number SEF USE Brand Name SE F U S E j4 j Brand Name ex 13 9 5 SF 70Y Part Number Inspec
7. more than 5mm eFor more information on dimensions not described in diagrams above please kindly contact us Packing Quantity Series SF R SFH R SF Y SF K SM A SM B SM G D6X D I D6WX Packing quantity ina 5 000pcs box 11 200pcs box 10 000pcs box 6 400pcs box 4 800pcs box carton box 21 22 Cautions This section describes points to note about the design installation and storage of NEC SCHOTT SEFUSE thermal cutoffs so as to achieve the optimum performance of these thermal protection devices For optimal thermal cutoff performance it is recommended that customers correctly store the thermal protection devices design appropriate circuits for the appliances and perform evaluations mounting and testing steps as necessary Problems arising from the inappropriate execution of the above would be the sole responsibility of the customer and NEC SCHOTT declines any and all responsibility Design Do not use this device for any purpose other than as a thermal cutoff The thermal cutoff is designed to detect abnormal rises in temperature and open the electrical circuits as required It is not a current fuse that cuts off excess current If the thermal cutoff is used as a current fuse it may malfunction Do not use this device in aerospace equipment aeronautical equipment nuclear reactor control systems life support equipment or systems transportation machinery engine control or safety related equipment This device is designed for
8. use in household electrical appliances office automation equipment audio and video equipment computer communications equipment test and measurement equipment personal electronic equipment and transportation equipment excluding engine control Decisions regarding the type of thermal cutoff the installation location and the mounting method should be made by the customers based upon the requirements of the final application It is recommended that designers test the final design with the selected thermal cutoff under both normal conditions as well as predicted worst case scenarios Vv Thermal cutoffs should be mounted where it can detect abnormal heat as quickly as possible The thermal cutoff operates when the thermal element within melts Therefore if the thermal element does not reach the operating temperature the cutoff will not activate even if the ambient temperature has risen to the operating temperature In addition a short lag time might result in the event of a sudden rise in the ambient temperature or if the thermal cutoff only detects part of the temperature increase Y Thermal cutoffs should be mounted such that the temperature gradient is equal throughout the thermal cutoff If lead B of the SF type which is caulked to the metal case is mounted in such a way that it only conducts heat to the metal case the temperature around the thermal pellet would always be higher than other parts in the metal case This could lead to the th
9. 0 standard Tf 1 long C SF70R 73 70 2 SF76R 77 76 0 4 SF81R 84 81 3 1 SF90R 94 90 2 SF94R 99 94 2 SF113R 113 108 2 SF119R 121 119 2 SF129R 133 12942 SF139R 142 139 2 SF144R 144 142 2 SF150R 152 150 1 3 SF167R 167 164 2 SF184R 184 18242 SF188R 192 188 3 1 SF214R 216 214 1 3 SF229R 229 22742 SF240R 240 23742 Th 106 118 127 129 137 153 174 177 200 3 Tm 165 175 210 250 375 380 Rated Current 4 15A 10A Resistive Rated Voltage 4 AC250V Note 1 No use of hazardous substances prescribed by WEEE and RoHS All products do not use SVHC prescribed by REACH 144 substances 20 June 2013 2 For standard lead length type add the suffix 0 at the end of the part number For long lead length type add the suffix 1 at the end of the part number UL cUL Thailand E71747 5 VDE CCC Thailand Thailand 677802 1171 0015 20130102 05600209 KTL Thailand SU05020 eee 5004 5005 5006 5007 5008 6 PSE Thailand JET1974 32001 a Rating Rating 15A 10A 2001 1003 2002 1002 2003 1001 2004 1004 2005 1005 2006 1006 2007 1007 2008 1008 2009 1009 3 Th is the maximum temperature measured on the thermal cutoff when it continues to conduct a rated current without changing its state of conductivity for 168 hours 4 The electrical ratings according to the various safety standards are shown in the following table
10. NEC SCHOTT SEFUSE THERMAL CUTOFF NEC SCHOTT Components Corporation is a joint venture company established in September 2000 between technology group SCHOTT of Germany and NEC of Japan In the electronic components field such as glass to metal seals thermal cutoffs and special glass we will optimize the global know how of the SCHOTT and NEC groups and continue to provide products and services that satisfy our customers requirements into the 21st century and beyond NEC SCHOTT is the exclusive sales partner of all SCHOTT Electronic Packaging products in Japan Contents Introduction Features Applications Safety standards 3 Construction 4 Standard Ratings 6 Performance Data 16 Definition of Terms 20 Lead Cutting and Taping 20 Cautions 22 Please review the Cautions on pages 22 through 25 prior to using SEFUSE Introduction NEC SCHOTT develops and manufactures thermal cutoff protection devices widely known as SEFUSE These devices are designed to protect industrial and home electrical equipment from catching fire by sensing overheating and cutting off the electrical circuit immediately There are three SEFUSE types namely SF SM and D6 to suit the needs of a wide range of applications The SF type uses a thermosensitive material as the thermal pellet while the SM and D6 types use a fusible alloy SEFUSE meets a number of international industrial safety standards and is a highly reliable thermal protect
11. b lot number Month bev November YAN December How to read a lot number Gods ei amp T Sub lot number Month 2Z October Yere ame November zz December Last one digit of year 13 Ratings 1 2 Electrical Ratings UL CSA VDE BEAB CCC KTL PSE Rated 3 Part Number Functioning Operating Tm Thailand Thailand EE Temperature AC DC Thailand Thailand Thailand Thailand Thailand SU05020 JET1974 0 standard Tf tt 32001 1 lon C 8 C Se 3A DC50V UL SM072A 76 72 3 2 100 4A DC50V VDE 4 5009 1017 SMO092A 97 92 3 2 200 4A DC50V 1016 2A 677802 SM110A 115 110 2 125 Resisti 71747 1171 C1191 20020102 5001 1011 SM125A 131 126 3 2 EE fe 172780 op01 05023067 1012 SM137A 142 137 3 2 200 DC50V LR52330 5002 SM146A 151 146 3 2 1013 SM150A 150 Note 1 No use of hazardous substances prescribed by WEEE and RoHS All products do not use SVHC prescribed by REACH 144 substances 20 June 2013 2 For standard lead length type add the suffix 0 at the end of the part number For long lead length type add the suffix 1 at the end of the part number 3 DC ratings are approved by UL and VDE 4 SM072A has c UL recognition Ratings 1 72 Electrical Ratings UL CSA VDE BEAB CCC KTL PSE Rated 3 PartNumber Functioning Operating Tm Thailand Thailand 0 1 Temperature Temperature AC DC Thailand Thailand Thailand Thailand Thailand SU05020 JET1974 0 standard Tf tH 32001 1 lon c w
12. conduct a rated current without changing its state of conductivity for 168 hours Tm Maximum Temperature Limit Maximum temperature limit is the maximum temperature for which conductivity does not occur again during the following test First the samples are maintained at Tm for a period of 10 minutes Then the withstand voltage test is conducted for 2 minutes with twice the rated voltage During the test the thermal cutoff must remain in the functioned state i e open Hence no current is allowed to pass through Functioned state of the SF type not less than 0 2MQ SM type not less than 2MQ between body and lead and notless than 0 2MQ between lead and lead Lead Cutting and Taping Lead cutting and taping services are available upon request for the following types Standard lead type Long lead type SF RO SF R1 SFH RO SF K SF Y SM AO SM BO SM GO D6 SFH R1 SF Y 1 SM A1 SM B1 SM G1 Taping O _ O O 6 O Lead Cutting O O _ fo _ _ _ _ _ Lead Forming 6 _ _ _ _ o o o available not available Taping Reel 285 2500PCS reel 9360 4000PCS reel Le SF R SFH R 4000PCS reel SF K SM 2500PCS reel Unit mm Ww P IG T Z R t S 52 2 63 2 540 5 2 0 641 520 505 53 2 508 67 2 Lead Cutting eSF Type Li 9 30 L2 7 30 mm L i eSM Type EK J L L2 9 35 mm L E Lead Forming SF R SFH R A Should be
13. d devices are in parentheses Marking SEFUSE Brand Name Rated Functioning SM110A0 Part Number Termnperature EE Factory Code 11560 208 Er Lot Number Rated Current B 2A lt PS gt E f PSE Mark Factory Code represents the factory location as shown below CCC Mark OC JET Inspector Name EC SM B series 2 e Sin e 8 BB Wo Dimension Unit mm 29 Sa T 39 5 69 5 3 0 JI 6 0 3 39 5 69 5 3 0 Note The dimensions for long lead devices are in parentheses Marking SEFUSE I Brand Name Rated Functioning SM110B0 Part Number Temperature e Factory Code On res y Code 115 C 395 Er Lot Number Rated Current 1A lt PS gt E PSE Mark Factory Code represents the factory CCC Mark B K JET Er nspector Name location as shown below Thailand C SM G series d sl S 68 Be VO Dimension Unit mm Ss SF TT 40 70 3 0 L 540 3 J 40 70 43 0 Note The dimensions for long lead devices are in parentheses Marking PSE Mark PS gt E 0 5A Rated Current Ga Factory Code CCC Mark CC 395 Lot Number SEFUSE Brand Name Part Number 110G0 115 C __ Rated Functioning Temperature Factory Code represents the factory location as shown below Thailand C How to read a lot number Soe e a T Sub lot number Month YEZ November PARI December Last one digit of year How to read a lot number oye e a T Su
14. e Thailand JET1974 32001 SE E ee Thailand Thailand Thailand SU05020 SC 0 standard det DTD 1 long Rating Rating C C 15A 10A SFH106R 110 10623 99 SFH109R 113 10923 102 5005 2003 1001 SFH113R 117 11343 106 SFH117R 121 11743 110 4 4 SFH124R 128 12443 117 ae E1747 SCC 20130102 aa gt SFH129R 134 129 3 2 122 15A 10A 8 05613895 5006 Resistive AC250V 0016 SFH134R 139 134 3 2 127 SFH152R 157 152 3 2 145 2005 1005 SFH162R 167 162 3 2 155 5007 2006 1006 SFH172R 176 172 3 165 5 Note 1 No use of hazardous substances prescribed by WEEE and RoHS All products do not use SVHC prescribed by REACH 144 substances 20 June 2013 2 For standard lead length type add the suffix 0 at the end of the part number For long lead length type add the suffix 1 at the end of the part number 3 Th is the maximum temperature measured on the thermal cutoff when it continues to conduct a rated current without changing its state of conductivity for 168 hours 4 The electrical ratings according to the various safety standards are shown in the following table Rated Voltage UL cUL VDE CCC KTL PSE 6 AC120V 20A Resistive 10A Resistive 10A 10A 10A 10A AC250V 15A Resistive 15A 15A 15A 15A 16A Resistive 5 The following SF types have passed the Conductive Heat Aging Test CHAT specified by the UL safety standard SFH172R 6 With respect to the PSE standard SFH R is separately available for 10A
15. ed directly where temperature detection is required The SM type has a rated current of 0 5A to 2 0A AC 3 0A to 7 0A DC Before operation After operation Ceramic Case Fusible Alloy Sealing Resin Fusible Alloy Sealing Resin ES Lead Flux Lead Lead Flux Lead The leads of the SM type are connected by a fusible alloy When the ambient temperature rises to the operating thereby allowing the current to flow directly from one lead to temperature of the SM type the fusible alloy melts and forms a the other The fusible alloy is coated with a special flux drop around the end of each lead due to the surface tension and the special flux coating Without a direct contact between the leads the electrical circuit is opened D6 Type Series D6T D6X D6WX The D6 type uses a ceramic material for the body cap and base and integrates a resistor as a heater inside the thermal cutoff Hence the D6 type can be activated either when the abnormal temperature increase is caused by the external environment or when it is a result of the heat generated by the electrical circuit within the device This provides a second protection for the electrical equipment in which the D6 type is installed The D6 type is available for 12A and 15A DC Before operation After operation Lead wire Lead wire Resistance film Fuse element Lead wire J Lead wire The D6 type houses a printed electrode a fuse element and a When the ambient temperat
16. ermal cutoff opening prematurely Hence it is recommended that lead A which is the resin sealed side be connected nearer to the heat source It should also be mentioned that similarly if lead A is fixed in a location where the temperature it is exposed to is always lower than that of lead B the thermal cutoff could also be prematurely triggered except SFH R series VCautions about Tm Please ensure that the design of the final application does not exceed Tm the maximum temperature limit of the thermal cutoff If used in conditions beyond the rated temperature a dielectric breakdown could result and the thermal cutoff could re conduct even after opening VCautions about Th SF type Continuous exposure to temperatures close to the Th temperature of the thermal cutoff could result in the thermal pellet reducing in size over time thereby shortening the lifespan of the thermal cutoff This change in the pellet size is irreversible Hence it is important that designers select and test thermal cutoffs suitable for the temperature zone of the final application based on the temperature recommendations in Table 1 Please also note that the Th temperature test is a one time test not a cycle test conducted continuously for 168 hours 23 Designers of the final application should take into account the maximum surface temperature of the thermal cutoff as shown in Table 1 and avoid exceeding this level If the body temperature of the thermal cutof
17. f is exceeded on a regular basis the thermal cutoff may start opening at temperatures lower than the normal operating temperature Malfunctions may also occur In case of using SM type in DC rating please kindly contact NEC SCHOTT Table 1 SF Type SE SF R SF K SF Y series SFHIR series Part Number Ruse Body Part Number ruse Body Part Number ruse Body Part Number Fuse Body Temperature Temperature Temperature Temperature SM072A 520 SF7OR K Y 50C SF139R Y 119 C SFH106R 86 C SM092A B 72C SF76R K Y 56C SF144R 122 C SFH109R 89 C SM110A B G 90C SF81R 61 C SF150R Y 130 C SFH113R 93 C SM125A B 96 C SF90R K Y 70 C SF167R Y 140 C SFH117R 97 C SM137A B G 117 C SF94R K Y 74C SF184R Y 140 C SFH124R 104 C SM146A B G 126 C SF96K Y 76 C SF188R K Y 140 C SFH129R 109 C SM150A B 126 C SF113R Y 88C SF214R K Y 140 C SFH134R 114 C SF119R K Y 99 C SF229R Y 140 C SFH152R 132 SF129R Y 109 C SF240R Y 140 C SFH162R 140 C SFH172R 140 C Note that the temperature listed in Table 1 refers to the surface temperature of the thermal cutoff not the ambient temperature Thermal cutoffs have a limited life The thermal elements used are durable substances designed for long term use However the longevity of the thermal cutoff depends on the conditions in which it is exposed to This is particularly true if the thermal protection device is frequently exposed to temperatures very close to its operating temperature Hence it is recommended that de
18. ing its state of conductivity for 168 hours 3 The following electrical ratings were used for the UL VDE and KTL safety standards 10A Resistive AC 250V 4 The following SF types have passed the Conductive Heat Aging Test CHAT specified by the UL safety standard SF188K and SF214K 5 Pending approval Ratings d Rated UL CCC PSE Functioning Operating Tm demar Temperature Temperature Rated Current Rated Voltage Partnumber Tf Japan Japan A GA C C SF70Y 73 70 2 20040102 150 1008 SF76Y 77 76 0 4 05122568 SF90Y 94 90 2 4 4 SF94Y 99 94 2 1010 SF96Y 99 96 2 150 SF113Y 113 110 2 160 20040105 1011 SF119Y 121 119 2 150 E71747 05122568 1012 SF129Y 133 129342 159 15A AC250V SF139Y 142 13942 Resistive 4015 SF150Y 152 150 1 3 4 4 SF167Y 167 164 2 1014 SF184Y 184 18242 210 _ 50010102 1015 SF188Y 192 188 3 1 300 05122568 SF214Y 216 214 1 3 350 1016 SF229Y 229 227 2 4 4 1017 SF240Y 240 23742 350 3 Note 1 No use of hazardous substances prescribed by WEEE and RoHS Al products do not use SVHC prescribed by REACH 144 substances 20 June 2013 2 Part number indicates thermal cutoffs with standard lead lengths For long lead length types add the suffix 1 at the end of the part number 3 2004010205122568 4 Pending approval Standard Ratings SM A series Dimension Unit mm ber 2 a 05 0 NM N SF 38 68 3 0 L 9 0 3 D 38 68 3 0 Y Note The dimensions for long lea
19. ion device that provides excellent and long lasting performance Features eThe SF type except SF K series has a ceramic pipe that alleviates any stress that may occur on the sealing resin when the leads are bent thereby reliably holding the leads in place In addition the sliding contact is made of a silver copper oxide AgCuO material that is patented worldwide eThe SEFUSE D6 type integrates a heater resistance within the thermal cutoff Hence the D6 type thermal protection device can be activated either when the abnormal temperature increase is caused by the external environment or when it is resulted from the heat generation triggered by the external signal eMeets many international safety standards such as UL VDE CCC PSE etc eEco friendly with no hazardous substances complies with WEEE and RoHS Applications eSmall home appliances such as coffee makers electric kettles rice cookers bread makers hot plates irons and hair dryers eLarge home appliances such as air conditioners refrigerators washing machines fan heaters gas boilers e Office equipment such as copiers laser beam printers facsimile machines and power taps eBattery devices such as battery packs and chargers eVarious power supplies such as transformers adaptors invertors and cement resistance eCar applications such as automotive air conditioners solenoids and motors Safety standards Wu wu Se i L USA cUL Canada CSA Ca
20. nada VDE Germany BEAB CCC China Korea PSE Japan Construction SF Type Series SF R SFH R SF K SF Y The thermal pellet placed inside the metal case of the SF type responds to an abnormal temperature situation and triggers the cutoff function The SF type features a large rated current of 6A to 15A AC Furthermore the SFH R series has higher Tm than conventional thermal cutoffs as well as excellent insulation performance at high temperature conditions Before operation After operation Ceramic Bushing Spring B Thermal Pellet Metal Case Spring B Thermal Pellet Sealing Resin Lead A f Ceramic Pipe Spring A Sliding Disks Metal Case Spring A Sliding Contact Disks Contact The SF type contains a sliding contact springs and a thermal When the ambient temperature rises to the operating pellet inside a metal case When spring B is compressed there temperature of the SF type heat is transferred through the is firm contact between lead A and the sliding contact At metal case and melts the thermal pellet Springs A and B then normal temperatures current flows from lead A to the sliding stretch and the sliding contact moves away from lead A contact and then through the metal case to lead B thereby opening the electrical circuit Not used in SF K series SM Type ad wem Series SM A SM B SM G i The SM type uses a fusible alloy inside a ceramic case As ceramic is an insulator the SM type can be fix
21. o 40 Le 2 wn 3 30 SF R 20 e 9 E 10 oO Qa o S o 0 10 20 30 40 Temperature Difference oil temp minus operating temp is SF R SFH R 5 10 15 20 Current sec o 40 SFH R n 5 30 E E 20 e D E 10 o a o S o 0 10 20 30 A0 Temperature Difference oil temp minus operating temp 17 A sec IN SF Y N CH o sek 10 20 30 Temperature Difference oil temp minus operating temp o 0 Time for opening after immersion into oil Performance Data Internal resistance and initial operating temperature Internal Resistance Part Number 3 7 SM072A 3 9 4 1 5 0 SMO092A 6 3 6 8 2 8 SM110A 3 0 3 2 mO 25mm V Operating Temperature 72 73 74 90 6 91 6 92 6 110 111 112 Part Number 2 SM125A gt SM137A gt SM146A SM150A Internal resistance and initial operating temperature Internal Resistance Part Number SM092B 9 10 44 SM110B 46 4 8 3 8 SM125B 4 2 4 6 mO 25mm VU 1 Operating Temperature 90 6 91 6 92 6 110 111 112 125 126 127 5 Part Number C SM137B SM146B SM150B Internal resistance and initial operating temperature Internal Resistance Part Number 5 SM110G 6 7 6 8 SM137G 7 6 8 4 mO 25mm mes Operating Temperature 110 111 112 136 137 138 c Part Number C DD SM146G
22. p minus operating temp 20 Definition of Terms Rated Functioning Temperature Tf Rated functioning temperature is the operating temperature of the thermal cutoff measured using the method specified in the safety standard As stated in the Electrical Appliance and Material Safety Law PSE of Japan Appendix 3 Section 3 the thermal cutoff should operate within 7 C of the specified operating temperature In cases where Tfis greater than 200 C the thermal cutoff should operate within 10 C of the specified operating temperature In standards that comply with the IEC standard it is indicated that the thermal cutoff should operate within 0 10 C of the specified temperature range Operating Temperature Operating temperature and tolerance refers to the operating temperature range measured by the following conditions A thermal cutoff test sample is placed in the condition where the temperature of a thermostatic oven is raised until 12 C below the rated functioning temperature of the test sample at optionally increasing speed Then the temperature of the thermostatic oven is raised at the rate of 0 5 1 0 C a minute At this time the electric current flowing through the test sample for opening confirmation shall be less than 10mA Furthermore the distance between a measuring point and a test sample shall be less than 20 mm Th Holding Temperature Th is the maximum temperature measured on the thermal cutoff when it continues to
23. pull push or twist the lead wires elf using a SF type thermal cutoff the lead on the resin sealed side must not be allowed to touch the case This would cause the current to flow from the lead on the resin sealed side to the opposite lead resulting in a non functioning thermal cutoff eNote that the body of the SF type is the same in potential as the circuit Therefore it must be electrically isolated from other metallic parts Storage eThe body and lead A of the SF type and the leads of SM092A and SMO092B are silver plated Therefore these parts may discolor because of sulfuration making the markings on the body illegible or negatively affecting the solder ability of the lead To avoid this the thermal cutoff should not be kept around materials such as cardboard or rubber etc which generate sulfurous acid gas eWhen storage in cardboard boxes is required thermal cutoffs should be double packed and sealed in polybags such as polyethylene Recommendation eNEC SCHOTT recommends the following tests upon receipt and after mounting of the thermal cutoff as it may have undergone some mechanical load or thermal influence during transportation or when being mounted 1 Appearance check 2 Resistance check comparing before with after or conductive check 3 X ray inspection 4 Operation check for sampling eBe careful when mounting the thermal cutoff because external force heat or a harmful atmosphere containing excessive humidity o
24. r sulfurous acid gas may damage the thermal cutoff If applicable it is recommended that the general consumers who are unaware of the usage cautions for thermal cutoffs be informed not to mount remove or replace the thermal cutoff through a note to this effect in the user s manual and other related material All reasonable care has been taken to present the data here and the values contained in this document were obtained under certain testing conditions by us They are not guaranteed and are for reference only For any clarifications or more information about these cautions please kindly contact NEC SCHOTT Components Corporation 26 eThe information herein is based on the documents as of December 2013 and is subject to change without notice Therefore it is recommended to refer to latest individual information such as drawing for mass production designing The latest product information will also be made available on http www nec schott co jp for your reference elt is prohibited to reprint or copy the contents herein without prior written agreement from NEC SCHOTT Components Corporation ePlease note that should any problems relevant to the industrial property of third parties occur with the use of products from NEC SCHOTT the company would not assume any responsibility for matters other than the ones directly related to the structure or the manufacturing process of the products supplied by NEC SCHOTT eAlthough continuous efforts
25. regards to the SF type deformation of the case may change the location of the sliding contact during operation and could lead to the thermal cutoff operating only at temperatures lower than the normal operating temperature range The thermal cutoff may also not operate even if the thermal cutoff s operating temperature is exceeded Mounting Thermal cutoffs can be mounted by soldering caulking or welding eThe connecting position at the lead of the resin sealed side should be 5 mm or more from the body of the thermal cutoff SF Type SM Type connecting connecting position position 5 mm or more 5 mm or more 5 mm or more D6 Type 5mm or more 5 mm or more connecting position elf soldering take note that the thermal cutoff may function because of excessive solder temperature To prevent such malfunctions for example holding the lead near the case with a tool is effective for allowing the heat to escape and the soldering should be done in short intervals Another effective method is to use a lower solder temperature and to solder at a location that is at a distance from the case elf caulking or welding be careful to keep the resistance value of the connecting section low If the connecting section has a high resistance value the passing current may generate an abnormally high temperature that will cause the thermal cutoff to operate 25 eAfter mounting the thermal cutoff be careful not to apply force that may
26. rolled forest wood Furthermore it uses vegetable oil based ink including soy oil based ink and waterless printing that does not discharge any hazardous waste fluids February 2014 Ver3
27. se of the thermal cutoff due to corrosion The thermal cutoff could thus operate at lower than operating temperatures or not activate even if its operating temperature is exceeded SF K series only The thermal cutoff corresponds to industrial waste The thermal cutoff corresponds to industrial waste and requires disposal according to governmental and provincial regulations The services of a licensed disposal contractor could also be engaged The thermal cutoff is a non repairable device In case of replacement an equivalent thermal cutoff from the same manufacturer should be used For general consumers who are not aware of the cautions associated with the thermal cutoff they should be informed not to mount remove or replace the thermal cutoff through a note to this effect in the user s manual and other related materials 24 Cautions Lead wire process eWhen bending the lead wire it is important not to apply excessive pressure to the root of the lead wire The lead wire should be secured close to the case and bent not twisted at a distance 3 mm or more from the body of the fuse SF SM Type Srv or more D6 Type 3mm or more secured secured secured secured eThe tensile strength applied to the lead wire should be 49N or less for SF type and 9 8N or less for SM and D6 types eThe strength applied to the body of the thermal cutoff should be 98N or less for SF type 49N or less for SM type and 4 9N or less for D6 type With
28. signers conduct a reliability test by fixing the thermal protection device onto the actual application and simulating the expected operating conditions to assess the lifetime of the device The body temperature of the thermal cutoff increases as current passes through it The body temperature of the thermal cutoff could rise to levels higher than the ambient temperature current passes through the device In addition the body temperature could also increase depending on a number of factors such as the mounting method Hence it is recommended that designers measure the body temperature of the thermal cutoff after conducting a reliability test Use the thermal cutoff with a voltage and current level lower than the rated level If the thermal cutoff is used with a voltage or current level higher than the rated level the contacts may be welded together in the SF type causing the thermal cutoff to malfunction In the SM type and D6 type the body of the thermal cutoff may rupture Do not use the thermal cutoff in an atmosphere out of the standard specifications such as in environments exposed to sulfurous acid gas nitrogen oxide gas ammonia gas or conditions that contain formic acid It is also not suitable for high humidity situations and submersion in a liquid The case of the thermal cutoff is made with a copper alloy Hence installing the thermal cutoff in such conditions or similar could deteriorate the sealing resin or lead to cracks in the ca
29. to improve the quality and reliability of our products are in place the possibility of defects cannot be entirely eliminated Therefore when using our electronic component products please ensure that sufficient safety measures are included in the design of the final application such as redundancy fire containment and malfunction prevention against physical injuries fire disasters and social damages in consideration of the said defect occurrences Our products are classified into 2 groups Standard and Special The recommended applications of the products according to its quality level are indicated below If you intend to use our products for applications other than Standard level please consult with our sales representative in advance Standard Computers office equipment communication equipment measuring equipment audio amp visual equipment home electric appliances machine tools personal electrical equipment and industrial robots etc Special Transportation equipment automobiles trains ships and others aircrafts aerospace equipment medical equipment for life support etc NEC SCHOTT Components Corporation TF Division 3 1 Nichiden Minakuchi cho Koka shi Shiga 528 0034 Japan Phone 81 0 748 63 6629 Fax 81 0 748 63 6627 tf nsc schott com www nec schott co jp MIK VA eee VEGETABLE FSC re co17322 SI INK Dhabi This printed matter uses FSC certified paper using properly cont
30. tor SF 188Y 1 Part Number T Sub lot Inspector o Rated Functioning Name o Rated Functioning number Nam r Jer 7G 4 Temperature JET 192C Temperature Month PSE Mark PSE 15A Rated Current PSE Mark lt PS E 15A 4 Rated Current Xl October CCC Mark C 250V Rated Voltage CCC Mark CC 250V H Rated Voltage Y November AN December Factory Code 1395 Lot Number Factory Code 1395 4 Lot Number Last two digit of year Factory Code represents the factory location as shown next Japan none 11 Ratings 1 Rated 2 3 UL cUL VDE BEAB CCG KTL PSE Functioning Operating Part Temperature Temperature Rated Thailand Thailand ate Kumer W ju Um Ee Thailand Thailand Thailand Thailand SU05020 JET1974 32001 Current oltage nn nen C SF70K 73 7042 45 E71747 677802 cu 20080102 5004 1003 SF76K 77 76 0 4 51 1171 05282881 SF90K 94 90 2 66 0006 150 5 5 SF94K 99 94 2 84 6A 5 1002 AC250V SF96K 99 96 2 71 Resistive 5004 E71747 677802 SF119K 121 119 2 94 eo C1180 20080102 5006 1004 SF188K 192 188 3 1 164 ab 0006 05282881 5007 1007 SF214K 216 214 1 3 198 5008 1008 Note 1 No use of hazardous substances prescribed by WEEE and RoHS All products do not use SVHC prescribed by REACH 144 substances 20 June 2013 2 Th is the maximum temperature measured on the thermal cutoff when it continues to conduct a rated current without chang
31. ure rises to the operating special flux material in layers on top of the ceramic base The temperature of the D6 type the fuse element melts and forms current flows from one lead across the fuse element and then a drop around the end of each lead because of surface tension through the second lead and the special flux coating This cuts off the electrical circuit In another scenario the heater resistance generates heat in response to an external signal thereby melting the fuse element and cutting off the electrical circuit immediately Standard Ratings SF R series Dimension Unit mm 1 0 0 1 24 0 0 2 Le 21 0 0 1 18 5 33 3 0 JI 8 540 5 d 3343 0 Note The dimensions for long lead devices are in parentheses Marking 1 SF70R SF129R Marking 2 SF139R SF240R KH EN S EFU S E Brand Name SE F U S E Brand Name S F 7 0 RO Part Number SF214R14 Part Number CCC Mark TG Rated Functioning CCC Mark 216 C E Rated Functioning Temperature Temperature OC 15A Rated Current OC 15A Rated Current Factory Code 1392 Lot Number Factory Code Ge 12072 Lot Number N How to read a lot number Factory Code represents the factory location as shown below Thailand C ex 13 9 2 T Sub lot number Month Last two digit of year Ratings 1 2 Part Rated Number Functioning Operating E OVA Temperature Temperature
Download Pdf Manuals
Related Search
SEFUSE sefuse sf129u sefuse sf129r1 sefuse sm110a0