thermal cutoffs (tco) design an d speci cations are each subject to change without notice. ask factory for the current technical speci cations befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. insulating case (ceramic) fusible alloy sealant (epoxy resin) lead wire (tin plating copper) special resin (flux) sealant (epoxy resin) fusible alloy special formed lead wire (tin plating copper) special resin (flux) insulating case(ceramic) insulating film special resin (flux) fusible alloy terminal (ni) thermal cutoffs (tco)/ thermal-links eyp series: n series: f series: e series: h series: ml series: mu radial lead type (h series) recommended applications tr ansformers, solenoids, ventilation fans, electric fans, small electric motors, driers, gas home appliances, fluorescent lights, electric shavers, adaptors, heating devices, ics, batteries, etc. the tco can also be used for overheating protection. construction axial lead type (n, f and e series) thin type (mtand ms series) fe atures small and insulation type tco is compact and insulated, featuring quick temperature response, and mountable in a small space without insulation or protection. high reliability tco opens reliably when the equipment becomes abnormal, and is not resettable. solid structure unique formed lead provides reliable tco connection and provides easy assembly handling. (axial lead type only) non-cadomium alloy thin type thickness is less than 1 mm. available for spot welding.(ml and mu series) approved safety standards ps e (japan) : approved by jet ul (u.s.a.) : e60271 csa (canada) : lr67163 vde (germany) : 4811. 6-1171- beab (u.k.) : c ccc (china) : see ratings in details. mar. 2005
thermal cutoffs (tco) design an d speci cations are each subject to change without notice. ask factory for the current technical speci cations befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. part no. t ype no. of approved standards rated functioning t emp. ? 1 (c) functioning t emp. ? 2 (c) maximum operating t emp. ? 3 (c) holding te m p . ? 4 (c) maximum temp. limit (c) ? 5 electrical rating approved safety standards rohs ul,vde, beab ccc csa ac/ dc amp. (a) volt. (v) ps e ul csa vde beab ccc eyp1bf102 f102 102 982 70 74 200 150 ac 2 125 under examination ( ) 75 76 ac 1 250 55 60 dc 3.5 50 eyp1bf115 f115 115 110 +3 76 90 200 150 ac 2 125 80 90 ac 1 250 70 80 dc 4 50 eyp1bf130 f130 130 1262 90 105 200 180 ac 2 125 under examination ( ) 94 105 ac 1 250 74 90 dc 4.5 50 eyp1bf133 f133 133 1282 92 108 200 180 ac 2 125 under examination ( ) 96 108 ac 1 250 76 92 dc 4.5 50 eyp1bf139 f139 139 1353 99 115 200 180 ac 2 125 under examination ( ) 103 115 ac 1 250 80 95 dc 5 50 eyp1bf168 f168 168 163 +4 120 135 200 ac 2 125 under examination ( ) 120 142 ac 1 250 95 110 dc 5 50 note: for long lead types add the letter "l" at the end of the part number. (approved safety standards file no. ul:e60271, csa:lr60271, vde: 4811.6-1171-001, beab:c1068, ccc:2002010205004249) note: for long lead types add the letter "l" at the end of the part number. (approved safety standards file no. ul:e60271, csa:lr60271, vde: 4811.6-1171-003, beab:c1065, ccc:2002010205004248) part no. t ype no. of approved standards rated functioning t emp. ? 1 (c) functioning t emp. ? 2 (c) maximum operating t emp. ? 3 (c) holding te m p . ? 4 (c) maximum temp. limit (c) ? 5 electrical rating approved safety standards rohs ul,vde, beab ccc csa ac/ dc amp. (a) volt. (v) ps e ul csa vde beab ccc eyp2bn082 n082 86 822 52 56 200 150 ac 3 125 60 60 ac 2 250 45 50 dc 4 50 eyp2bn088 n088 92 882 56 60 200 ? ac 3 125 ???? under examination ( ) 62 65 ac 2 250 ???? 47 52 dc 4 50 ???? eyp2bn098 n098 102 982 65 70 200 150 ac 3 125 under examination ( ) 75 76 ac 2 250 55 60 dc 4 50 eyp2bn109 n109 114 1103 76 86 200 150 ac 3 125 80 90 ac 2 250 65 74 dc 5 50 eyp2bn110 n110 115 110 +3 76 86 200 150 ac 3 125 80 90 ac 2 250 65 74 dc 5 50 eyp2bn124 n124 130 1262 90 105 200 180 ac 3 125 under examination ( ) 94 105 ac 2 250 80 94 dc 5 50 eyp2bn126 n126 133 1282 92 108 200 180 ac 3 125 under examination ( ) 96 108 ac 2 250 82 96 dc 5 50 eyp2bn135 n135 140 1363 99 115 200 180 ac 3 125 under examination ( ) 103 115 ac 2 250 80 90 dc 6 50 eyp2bn143 n143 145 1412 105 115 200 180 ac 3 125 110 120 ac 2 250 80 90 dc 6 50 eyp2bn163 n163 168 163 +4 120 130 200 ac 3 125 under examination ( ) 120 135 ac 2 250 90 100 dc 6 50 ?2 ?2 f series ratings n series ?2 ?2 mar. 2005
thermal cutoffs (tco) design an d speci cations are each subject to change without notice. ask factory for the current technical speci cations befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. part no. t ype no. of approved standards rated functioning t emp. ? 1 (c) functioning t emp. ? 2 (c) maximum operating t emp. ? 3 (c) holding t emp. ? 4 (c) maximum temp. limit (c) ? 5 electrical rating approved safety standards rohs ul,vde, beab ccc csa ac/ dc amp. (a) volt. (v) ps e ul csa vde beab ccc EYP05BE102 e102 102 982 70 78 200 150 ac 1.5 125 under examination ( ) 75 80 ac 0.5 250 65 70 dc 3 50 eyp05be115 e115 115 1102 76 93 200 150 ac 1.5 125 80 95 ac 0.5 250 70 84 dc 3 50 eyp05be130 e130 130 1262 90 112 200 180 ac 1.5 125 under examination ( ) 94 112 ac 0.5 250 83 102 dc 3 50 70 81 dc 5 50 eyp05be133 e133 133 1282 92 115 200 180 ac 1.5 125 under examination ( ) 96 115 ac 0.5 250 85 105 dc 3 50 eyp05be139 e139 139 1352 99 120 200 180 ac 1.5 125 under examination ( ) 103 120 ac 0.5 250 92 110 dc 3 50 80 90 dc 5 50 ???? eyp05be145 e145 145 1412 105 125 200 ? ac 1.5 125 ? 110 125 ac 0.5 250 ? 80 95 dc 5 50 ? e series note: for long lead types add the letter "l" at the end of the part number. (approved safety standards file no. ul:e60271, csa:lr60271, vde: 4811.6-1171-002, beab:c1066, ccc:2002010205004246) (approved safety standards file no. ul:e60271, csa:lr60271, vde: 4811.6-1171-004, beab:c1067, ccc:2002010205004245) part no. t ype no. of approved standards rated functioning t emp. ? 1 (c) functioning t emp. ? 2 (c) maximum operating t emp. ? 3 (c) holding t emp. ? 4 (c) maximum temp. limit (c) ? 5 electrical rating approved safety standards rohs ul,vde, beab ccc csa ac/ dc amp. (a) volt. (v) ps e ul csa vde beab ccc eyp2bh102 h102 102 982 70 74 200 200 ac 3 125 under examination ( ) 75 76 ac 2 250 65 70 dc 3.5 50 eyp2bh115 h115 115 1102 76 86 200 200 ac 3 125 80 90 ac 2 250 74 84 dc 3.5 50 eyp2bh130 h130 130 1262 90 105 200 200 ac 3 125 under examination ( ) 94 105 ac 2 250 86 100 dc 3.5 50 eyp2bh133 h133 133 1282 92 108 200 200 ac 3 125 under examination ( ) 96 108 ac 2 250 88 102 dc 3.5 50 eyp2bh139 h139 139 1352 99 115 200 200 ac 3 125 under examination ( ) 103 115 ac 2 250 95 107 dc 3.5 50 eyp2bh168 h168 168 163 +3 120 135 200 200 ac 3 125 under examination ( ) 120 142 ac 2 250 ? 120 135 dc 3.5 50 h series ?2 mar. 2005
thermal cutoffs (tco) design an d speci cations are each subject to change without notice. ask factory for the current technical speci cations befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. a f d b l c d g (h) a eb f c l l l f d f d f d1 radial lead type axial lead type dimensions in mm (not to scale) thin type ( ? ) long lead type dimensions (mm) l f d f d1 k f d n series 9.01.0 2.50.2 3 max. 383 ( ? 783) 0.600.05 f series 6.01.0 1.85 +0.20 2.2 max. 383 ( ? 683) 0.530.02 e series 5.00.5 1.50.1 1.8 max. 383 ( ? 683) 0.530.02 ?0.15 dimensions (mm) abcl f d h series 5.00.5 4.00.5 2.20.3 553 0.530.02 dimensions (mm) abcdef g (h) ml series 25.00.5 3.20.3 0.650.15 4.50.5 3.00.2 0.100.02 10.250.50 (10.25) mu series 26.50.5 4.50.4 1.000.15 11.0 +0.6 3.00.2 0.150.02 7.70.5 (7.7) ?0.4 (approved safety standards file no. ul:e60271, vde: 4811.6-1171-009, ccc:2003010205034614) (approved safety standards file no. ul:e60271, vde: 4811.6-1171-004, ccc:2003010205034615), last letter "u" of part number mean s pb-free product. mu series ml series ? 1 rated functioning temperature (ul: tf, csa,vde, beab, ccc: tf) the temperature at which a tco changes its state of conductivity to open circuit with loading detection current only. tolerance; ps e ; 7 c ul,csa,vde, beab, ccc; ?10 c ? 2 functioning temperature (fusing-off temperature) the functioning temperature at which a tco changes its state of conductivity to open circuit in the ambient air oven whi ch increases temperature by 1 c per minute and with loading the detective current 0.1 a or less. ? 3 maximum operating temperature. the maximum temperature at which a tco can be maintained while conducting rated current for 3000 h (n, f, e, h series) or 1000 h (ml, mu series) for details please refer to speci? cation. ? 4 holding temperature (ul: th, csa: th, vde, beab, ccc: tc) the maximum temperature at which a tco can be maintained while conducting rated current for 168 h which will not cause a change in state of conductivity to open circuit. ? 5 maximum temperature limit (ul: tm, csa,vde, beab, ccc: tm) the maximum temperature at which a tco can maintains its mechanical and electrical properties with out closing again for 10 minutes after a tco has changed its state of conductivity. 0 part no. t ype no. of approved standards rated functioning te m p . ? 1 (c) functioning te m p . ? 2 (c) maximum operating te m p . ? 3 (c) holding t emp. ? 4 (c) maximum te m p . limit (c) ? 5 electrical rating approved safety standards rohs ac/ dc amp. (a) volt. (v) ul vde ccc eyp2ml092 ml092 92 892 55 60 135 dc 2 50 ? eyp2ml092u ?9289 ?4 55 60 135 dc 2 50 under application under application under application eyp2ml098 ml098 98 942 60 65 135 dc 2 50 ? eyp2ml098u ?9894 ?2.5 60 65 135 dc 2 50 under application under application under application eyp2ml102 ml102 102 982 65 70 135 dc 2 50 ? eyp2ml102u ? 102 98 ?2.5 65 70 135 dc 2 50 under application under application under application +3 +3 +3 part no. t ype no. of approved standards rated functioning te m p . ? 1 (c) functioning te m p . ? 2 (c) maximum operating te m p . ? 3 (c) holding t emp. ? 4 (c) maximum te m p . limit (c) ? 5 electrical rating approved safety standards rohs ac/ dc amp. (a) volt. (v) ul vde ccc eyp4mu092x mu092x 92 892 55 55 150 dc 4 50 under examination ( ) mar. 2005
thermal cutoffs (tco) design an d speci cations are each subject to change without notice. ask factory for the current technical speci cations befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. marking the following items are indicated on tco. n, f, e, h series : type no., date code, m mark( ), e mark, rated functioning temperature, rated current ml, mu series : type no., date code, m mark( ) pa c kaging methods part no. standard quantity style mass (weight) [mg/pc.] eyp2bn 2000 pcs./box bulk 340 eyp2bn l 2000 pcs./box 510 eyp1bf 3000 pcs./box 220 eyp1bf l 4000 pcs./box 330 eyp05be 4000 pcs./box 210 eyp05be l 5000 pcs./box 320 eyp2bh 1500 pcs./box 350 eyp2ml 2000 pcs./box 68 eyp4mu 1000 pcs./box 150 mar. 2005
thermal cutoffs (tco) design an d speci cations are each subject to change without notice. ask factory for the current technical speci cations befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. the following are precautions for individual products. please also refer to the precautions common to cr combinations, fuses, and sensors shown on page ex3 of this catalog. design applications 1. use the tco within their speci? ed temperature and electrical ratings. 1) use the tco under the maximum operating temperature speci? ed in the individual speci? cation. using the tco under a higher temperature than the maximum operating temperature may cause premature open ing or opening delay. when the tco is continuously used at the temperature close to the functioning temperature, the tco may op er ate while being used. when the tco is continuously used at the temperature higher than the maximum operation temperature, the tco may be degraded and may not operate normally at the speci? ed temperature. 2) the holding temperature is de? ned as the highest temperature at which the tco is activated continuously at the rated current for 168 hours. the tco can not be used over 168 hours exceeding the holding temperature. 3) equipment should be designed so that its over shoot does not exceed the maximum temperature limit after the tco operates. 4) if the tco is activated by voltage higher than the rated voltage or current higher than the rated current, the tco produces excessive heat, resulting in premature opening. the arc generated at this condition of operation will result in an abnormality of appearance (crack on body) and insuf? cient insulation. when tco is operated in an abnormal mode while the rated voltage and/or the rated current being exceeded, it may not cut off the circuit . 5) where transient overload is expected to be applied, repeat the tests under the worst conditions. 6) the tco cannot be used as a current sensitive fuse. 2. to fully use the function of the tco, a suitable tco for each equipment application must be selected. 1) tests should be repeated for the ? nished equipment to con? rm that the tco does operate as expected. 2) to improve thermal response of the tco, put the main body of the tco and the lead wires(terminals) as close to the heat source as possible and the place where the tco is evenly heated. if the temperatures transferred to the main body and to the lead wires(terminals) are largely different from each other, improper operation can be expected, causing arcing and deterioration of insulation. 3. a void application of excessive vibration and mechanical stress to the tco. otherwise, failure of the fusible alloy or lead wires, or damage to the main body may result. 4. when sealing the tco with resin, select a resin that does not corrode the seals or the lead wires(terminals). when sealing the overall tco with resin, determine the ? xing conditions by repeating the test using your ? nal product to check whether or not the resin properties (e.g. expansion, contraction, and curing temperature) affect the tco and whether or not the tco can operate normally. 5. when immersing equipment with a tco in varnish or solvent and then drying it, repeat the test to check whether or not the varnish or solvent used dissolved the coating of the tco or caused damage, such as cracks, before performing the treatment again. 6. do not use under the following environments. 1) in liquids such as water, oil, chemical and organic solvents 2) in direct sunlight, outdoors or in dusty atmospheres 3) in places where water condensation occurs ? use in the following environments may affect the performance of the tco; verify performance and reliability be fore production use. (1) in places full of corrosive gases such as sea breeze, cl 2 , h 2 s, nh 3 , so 2 and no 2 (2) in environments with high static electricity and/or strong electromagnetic waves. 7. do not use the tco in aerospace equipment, atomic energy equipment, military weap ons, life saving equip ment, etc. instruction 1. forming and cutting 1) lead wires(terminals) are to be bent or cut at least 3 mm away from the tco seals to avoid damaging the tco . (axial / radial type) or body (thin type). the tco seals (axial / radial type) shall not be grasped with any tools or holders. terminals of thin type tco are to be grasped before they are bent . (see fig.1) 2) the lead wires and terminals shall not be nicked, fractured or burned. the body and/or seals must not be damaged, burned or overheated. 3) it is recommended that experimental assembly trials, should be done so that it can be verified that manufacturing procedures will not exceed the maximum tested "pull" and "push" forces of 20 n (ml series:5 n, mu series:10 n) and 5 n respectively on the lead wires (terminals), or induce excessive twisting or the like. safety precautions (handling precautions) mar. 2005
thermal cutoffs (tco) design an d speci cations are each subject to change without notice. ask factory for the current technical speci cations befo re purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. l l soldering point >3mm >3mm >3mm >3mm >3mm >3mm grasped grasped bending cutting fig-1 2. soldering, welding, calking 1) lead wires are to be soldered with the standard conditions shown in table 1. excessive soldering heat and soldering time may cause damage to a tco. if higher temperature, longer time or shorter lead length exist rather than the conditions of table 1 ,it is r ecommended to run tests for ? nd ing the soldering conditions that do not damage the tco. also, use of tools such as pliers are recommend ed to dissipate the soldering heat by grasping lead wires between the tco body and soldering point. 2) av oid preheating and gradual cooling as much as possible. however if preheating and gradual cooling is done, set the process conditions after con? r ming that the tco is not affected by these procedures. 3) do not use re? ow soldering. 4) thin type (ml, mu series) is not to be soldered. 5) if water or solvent is used for cleaning ? ux after soldering, check and con? rm the reliability of the agent. 6) lead wires are to be clamped at least 3 mm away from the seals. improper connections may cause damage to the seals or other parts and may result in nuisance tripping of the devices due to the generation of excessive heat at a faulty high resistance junction. 7) set the conditions for welding and calking only after checking contact resistance and connection strength. 8) when resoldering or rewelding, cool the tco under room conditions. 9) when the tco is heated by soldering or welding, be careful not to pull, push or twist the tco lead wires. ta b le-1 soldering conditions te mperature of soldering: 300 c time: 3 s lead length ( k )t ype no. 25 mm n082, n088 f102 e102, e115 h102, h115 20 mm n098, n109 n110 f115, f130 f133, f139 e130, e133 e139, e145 h130, h133 h139 15 mm n124, n126 n135, n143 f168 h168 10 mm n163 3. the use of suf? ciently ? exible, appropriate free length and proper size wire should be used for splice connection. connection including connectors used for splicing shall be of the low resistance type, and they shall be made mechanically secure. 4. where the lead wires of the tco is tied with string, put them at least 10 mm apart from the seals of the main body of the tco. 5. quality control notes. 1) measurement of resistance between lead wires (terminals) and checking of the internal status with x-rays are effective means to con? rm the status of the tco on delivery and after mounting in the equipment. 6. storage method 1) store the tco in packing cases or in polyethylene bags within the temperature range -10 c to +40 c and rh of 30 % to 75 %. store them at a location where no rapid changes of temperature or humidity or no direct sunlight is applied. the location must also be free from vibration and shock . 2) avoid storage in places containing corrosive gases such as sea breeze, cl 2 , h 2 s, nh 3 , so 2 and no 2 . 3) the period of guarantee for performance such as solderability is for one year after our delivery; and this condition applies only in the case where the storage method speci? ed in above has been followed. 7. do not repair a tco. replace it with a new part. mar. 2005
? ex3 ? safety precautions (common precautions for cr combinations, fuses, and sensors) when using our products, no matter what sort of equipment they might be used for, be sure to make a writ ten agreement on the speci? cations with us in advance. the design and spec i ? ca tions in this catalog are sub ject to change without prior notice. do not use the products beyond the speci? cations described in this catalog. this catalog explains the quality and performance of the products as individual components. before use, check and evaluate their operations when installed in your products. install the following systems for a failsafe design to ensure safety if these products are to be used in equip ment where a defect in these products may cause the loss of human life or other signi? cant dam age, such as dam age to vehicles (automobile, train, vessel), traf? c lights, medical equipment, aero space equipment, electric heating appliances, combustion/gas equipment, rotating equipment, and disaster/crime prevention equipment. ? systems equipped with a protection circuit and a protection device ? systems equipped with a redundant circuit or other system to prevent an unsafe status in the event of a sin gle fault (1) precautions for use these products are designed and manufactured for general and standard use in general elec tron ic equipment (e.g. av equipment, home electric appliances, of? ce equipment, information and com mu ni ca tion equip ment) these products are not intended for use in the following special conditions. before using the products, carefully check the effects on their quality and performance, and determine whether or not they can be used. 1. in liquid, such as water, oil, chemicals, or organic solvent 2. in direct sunlight, outdoors, or in dust 3. in salty air or air with a high concentration of corrosive gas, such as cl 2 , h 2 s, nh 3 , so 2 , or no 2 4. in an environment where strong static electricity or electromagnetic waves exist 5. in an environment where these products cause dew condensation 6. sealing or coating of these products or a printed circuit board on which these products are mount ed, with resin or other materials these products generate joule heat when energized. carefully position these products so that their heat will not affect the other components. carefully position these products so that their temperatures will not exceed the category temperature range due to the effects of neighboring heat-generating components. do not mount or place heat-gen er at ing com po nents or in? ammables, such as vinyl-coated wires, near these products (except thermal cutoffs). note that non-cleaning solder, halogen-based highly active ? ux, or water-soluble ? ux may deteriorate the performance or reliability of the products. carefully select a ? ux cleaning agent for use after soldering. an unsuitable agent may deteriorate the per for mance or reliability. in particular, when using water or a water-soluble cleaning agent, be careful not to leave water residues. otherwise, the insulation performance may be deteriorated. (2) precautions for storage the performance of these products, including the solderability, is guaranteed for a year from the date of ar riv al at your company, provided that they remain packed as they were when delivered and stored at a tem per a ture of 5 c to 35 c and a relative humidity of 45 % to 85 %. the performance of combinations(emi filters) is guaranteed for 6 months or a year from the out go ing inspection date indicated on the packages, provided that they are stored at a tem per a ture of -5 c to +40 c and a relative humidity of 40 % to 60 %. check the guar an tee period in the spec i ? ca tions. the per for mance of thermal cut offs is guaranteed for a year from the outgoing in spec tion date indicated on the pack ag es, pro vid ed that they are stored at a temperature of -10 c to +40 c and a relative humidity of 30 % to 75 %. even within the above guarantee periods, do not store these products in the following conditions. oth er wise, their electrical performance and/or solderability may be deteriorated, and the packaging ma te ri als (e.g. taping materials) may be deformed or deteriorated, resulting in mounting failures. 1. in salty air or in air with a high concentration of corrosive gas, such as cl 2 , h 2 s, nh 3 , so 2 , or no 2 2. in direct sunlight package markings include the product number, quantity, and country of origin. in principle, the country of origin should be indicated in english. mar. 2005
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