ntc thermistor ntc thermistor ntc thermistor ntc thermistor http://www.shin-hang.com.tw 1/5 email: f2223834@ms35.hinet.net i ii introduction: ntroduction: ntroduction: ntroduction: ntc (negative temperature coefficient) thermistor is a semiconductor made from metallic oxides. it exhibits an electrical resistan ce that has a very predictable change with temperature. the resistance varies significantl y with temperature, more so than in standard resistors. they are extremely sensitive to temperature change, very accurate and interchangeable. they have a wide temperature e nvelope and can be hermetically sealed for use in humid environments. features: features: features: features: * longevity of service, high reliability * small size, powerful, strong capability of surge c urrent protection * instant response to surge current * wide operation range * big material constant (b value), low remain resista nce. application: application: application: application: thermistors are widely used as * inrush current limiters * temperature sensors * self-resetting overcurrent protectors * self regulating heating elements * conversion power, switch mode power supply, ups pow er protection * energy saving lights, electronic ballast filament protection * electronic circuit, power supply circuit protectio n
ntc thermistor ntc thermistor ntc thermistor ntc thermistor http://www.shin-hang.com.tw 2/5 email: f2223834@ms35.hinet.net diameter d max. l max. c 1 t max. d 0.5 5 6.5 31 5 4 0.55 7 8 31 5 4 0.55 8 9 31 5 5 0.7 9 10 31 7.5 5 0.7 10 11 31 7.5 5 0.8 11 12 31 7.5 5 0.8 13 14.5 30 7.5 6 0.8 15 16.4 30 7.5 6 1 20 22 29 7.5/10 7 1 size (mm) how to select how to select how to select how to select: :: : 1. maximum operating current > actual operating current in the power loop 2. rated zero power resistance at 25 of which, e: loop voltage, im: surge current for conversion power, reversion power, switch power, ups power, im = 100 times operating current. for filament, heater, im = 30 times operating curren t. marking marking marking marking: :: : ntc 5 d - 11 dimension: dimension: dimension: dimension: * size x depends on customers requirement. max. chip diameter: 11mm diameter rated zero-power resistance: 5 ntc thermistor
ntc thermistor ntc thermistor ntc thermistor ntc thermistor http://www.shin-hang.com.tw 3/5 email: f2223834@ms35.hinet.net dia. parameter zero power resistance at 25 max. steady state current max. current remain resistance thermal dissipation constant thermal time constant operating temperature () r25 () (a) (m) (mw/) (s) () ntc5d5 5 1 261 7 16 ntc8d5 8 0.8 487 7 16 ntc10d5 10 0.8 642 7 16 ntc16d5 16 0.5 1093 5 16 ntc20d5 20 0.5 1386 5 16 ntc22d5 22 0.3 5560 5 17 ntc5d7 5 2 241 9 23 ntc8d7 8 1.5 436 9 23 ntc10d7 10 1.5 572 9 23 ntc16d7 16 1.5 897 9 23 ntc22d7 22 1 1083 8 23 ntc4d8 4 2 261 17 31 ntc5d8 5 3 283 17 36 ntc6d8 6 3 441 17 36 ntc8d8 8 2 520 16 36 ntc10d8 10 2 542 17 38 ntc16d8 16 2 548 15 38 ntc20d8 20 1 1544 17 41 ntc30d8 30 0.5 4094 16 33 ntc3d9 3 4 133 11 35 ntc4d9 4 3 191 11 35 ntc5d9 5 3 236 11 35 ntc6d9 6 2 318 11 35 ntc8d9 8 2 382 11 34 ntc10d9 10 2 467 12 34 ntc16d9 16 2 688 12 32 ntc22d9 22 1.5 899 12 30 ntc25d9 25 1 914 12 30 ntc35d9 35 1 1103 12 30 ntc50d9 50 1 7265 11 28 ntc60d9 60 1 1521 11 28 ntc80d9 80 0.8 2108 11 28 ntc100d9 100 0.7 2576 11 28 ntc220d9 220 0.5 5923 10 28 -40 ~ 150 -40 ~ 170 57 8 9 specification: specification: specification: specification:
ntc thermistor ntc thermistor ntc thermistor ntc thermistor http://www.shin-hang.com.tw 4/5 email: f2223834@ms35.hinet.net dia. parameter zero power resistance at 25 max. steady state current max. current remain resistance thermal dissipation constant thermal time constant operating temperature () r25 () (a) (m) (mw/) (s) () ntc2r5d10 2.5 5 120 18 46 ntc3d10 3 5 119 18 45 ntc4d10 4 4 161 16 40 ntc5d10 5 4 180 17 33 ntc6d10 6 3 278 17 43 ntc10d10 10 3 297 17 46 ntc12d10 12 3 301 18 50 ntc13d10 13 3 356 18 49 ntc15d10 15 2.5 442 17 51 ntc16d10 16 2 604 18 55 ntc20d10 20 2 646 17 54 ntc25d10 25 2 674 17 52 ntc30d10 30 2 700 17 50 ntc47d10 47 2 720 18 49 ntc50d10 50 2 1170 18 49 ntc80d10 80 1 2236 17 53 ntc100d10 100 1 2318 17 45 ntc120d10 120 1 2406 19 54 ntc2r5d11 2.5 5 126 13 46 ntc3d11 3 5 126 13 46 ntc4d11 4 4 167 13 45 ntc5d11 5 4 228 13 45 ntc6d11 6 3 273 13 46 ntc8d11 8 3 301 13 45 ntc10d11 10 3 395 14 45 ntc16d11 16 2.5 488 14 48 ntc22d11 22 2.5 739 14 46 ntc25d11 25 2 838 14 46 ntc35d11 35 2 906 14 46 ntc50d11 50 1.5 1204 13 48 ntc60d11 60 1.5 1652 13 48 ntc80d11 80 1.3 1865 13 50 ntc100d11 100 1 2217 13 52 -40 ~ 170 10 11 specification: specification: specification: specification:
ntc thermistor ntc thermistor ntc thermistor ntc thermistor http://www.shin-hang.com.tw 5/5 email: f2223834@ms35.hinet.net dia. parameter zero power resistance at 25 max. steady state current max. current remain resistance thermal dissipation constant thermal time constant operating temperature () r25 () (a) (m) (mw/) (s) () ntc0r7d13 0.7 7 33 12 62 ntc1d13 1 7 58 12 62 ntc2r5d13 2.5 6 99 13 60 ntc3d13 3 6 112 14 60 ntd5d13 5 5 136 15 65 ntc6d13 6 4 190 15 68 ntc8d13 8 4 256 16 65 ntc10d13 10 4 271 16 60 ntc16d13 16 3.5 368 16 60 ntc22d13 22 3.5 492 16 60 ntc25d13 25 3 527 16 60 ntc35d13 35 3 843 16 58 ntc50d13 50 2 986 16 60 ntc60d13 60 2 1275 17 58 ntc80d13 80 1.8 1498 17 58 ntc0r1d15 0.1 12 22 16 79 ntc0r7d15 0.7 8 37 16 81 ntc1d15 1 8 49 17 81 ntc1r5d15 1.5 8 56 18 79 ntc2d15 2 7 73 19 76 ntc2r5d15 2.5 7 87 19 69 ntc3d15 3 7 94 19 65 ntc5d15 5 6 132 20 76 ntc6d15 6 5 168 20 76 ntc8d15 8 5 196 20 80 ntc10d15 10 5 255 20 80 ntc16d15 16 4 307 19 77 ntc22d15 22 4 393 19 77 ntc25d15 25 4 429 20 76 ntc35d15 35 3.5 610 19 80 ntc50d15 50 3 771 19 80 ntc0r1d20 0.1 15 4 55 112 ntc0r7d20 0.7 12 26 55 109 ntc1d20 1 10 43 55 107 ntc2d20 2 9 62 27 88 ntc3d20 3 8.5 79 24 88 ntc5d20 5 8 106 24 86 ntc8d20 8 7 157 23 103 NTC10D20 10 6.5 194 23 118 ntc16d20 16 5.5 236 23 113 13 15 20 -40 ~ 170 specification: specification: specification: specification:
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