ntc thermistor ttc03 series 3mm disc type for temperature sensing/compensation thinking electronic industrial co., ltd. 1 www.thinking.com.tw 2008.03 features 1. rohs compliant 2. body size 3mm 3. radial lead resin coated 4. -40 ~ +125 operating temperature range 5. wide resistance range 6. cost effective 7. agency recognition: ul /cqc recommended applications 1. home appliances (air conditioner, refrigerator, electric fan, electric cooker, washing machine, microwave oven, drinking machine, ctv, radio.) 2. automotive electronics 3. computers 4. digital meter part number code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 structure and dimensions product type ttc thinking ntc thermistor ttc type body size 3 4*h5mm definition of b value a b 25/85 b b 25/50 zero power resistance at 25 (r 25 ) 102 1k 103 10k 473 47k tolerance of r 25 f 1% g 2% h 3% j 5% k 10% b value first two digits 30 31 32 U 40 41 U 30 31 32 U 40 41 U b value last two digits 0 a 1 b 2 U h 8 j 9 k 00 05 10 15 20 U 75 80 85 90 95 tolerance of b value 1 1% 2 2% 3 3% optional suffix y rohs compliant appearance e straight lead pitch 2.54mm, 0.5mm cp wire, epoxy coating (green) (unit:mm)
ntc thermistor ttc03 series 3mm disc type for temperature sensing/compensation thinking electronic industrial co., ltd. 2 www.thinking.com.tw 2008.03 electrical characteristics safety approvals zero power resistance at 25c tolerance of r 25 b 25/85 value tolerance of b value max. power rating at 25c dissipation factor thermal time constant operating temperature range part no. r 25 (k ) ( %) (k) (%) p max (mw) (mw/c) (sec.) t l ~t u (c) ul cqc ttc3a901 39d* 0.9 3935 ? ? ttc3a102 39d* 1 3935 ? ? ttc3a152 39d* 1.5 3935 ? ? ttc3a202 39h* 2 3975 ? ? ttc3a222 39h* 2.2 3975 ? ? ttc3a272 39h* 2.7 3975 ? ? ttc3a302 39h* 3 3975 ? ? ttc3a332 39h* 3.3 3975 ? ? ttc3a472 39h* 4.7 3975 ? ? ttc3a502 39h* 5 3975 ? ? ttc3a682 39h* 6.8 3975 ? ? ttc3a103 34d* 10 3435 ? ? ttc3a103 374* 10 3740 ? ? ttc3a103 39h* 10 3975 ? ? ttc3a123 374* 12 3740 ? ? ttc3a153 374* 15 3740 ? ? ttc3a203 374* 20 3740 ? ? ttc3a223 374* 22 3740 ? ? ttc3a333 409* 33 4090 ? ? ttc3a473 409* 47 4090 ? ? ttc3a503 39h* 50 3975 ? ? ttc3a503 406* 50 4060 ? ? ttc3a683 419* 68 4190 ? ? ttc3a104 419* 100 4190 ? ? ttc3a154 437* 150 4370 ? ? ttc3a224 437* 220 4370 ? ? ttc3a334 457* 330 4570 ? ? ttc3a474 457* 470 1 2 3 5 10 4570 1 2 3 150 R 2.5 Q 18 -40~+125 ? ? note 1: = tolerance of rr 25 note 2: * = tolerance of b value note 3: ul file no.e138827 cqc file no. 0400101196 6
ntc thermistor ttc03 series 3mm disc type for temperature sensing/compensation thinking electronic industrial co., ltd. 3 www.thinking.com.tw 2008.03 0.01 0.1 1 10 100 1000 10000 100000 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 power derating curve r-t characteristic curves (representative) 100 0 25 t u 0 t l ambient temperature ( ) max power rating (%) t u maximum operating temperature ( ) t l minimum operating temperature ( ) for example ambient temperature(ta)=55 maximum operating temperature(t u ) 125 p ta =(t u -ta)/(t u -25) pmax 70% pmax temperature ( ) resistance(k ? ) (k ttc3a 901 39d ~ ttc3a474 457 ttc3a474 457 ttc3a154 437 ttc3a104 419 ttc3a473 409 ttc3a203 374 ttc3a103 34d ttc3a502 39h ttc3a901 39d
ntc thermistor ttc03 series 3mm disc type for temperature sensing/compensation thinking electronic industrial co., ltd. 4 www.thinking.com.tw 2008.03 soldering recommendation wave soldering profile recommended reworking conditions with soldering iro n item conditions temperature of soldering iron-tip 360 (max.) soldering time 3 sec (max.) distance from thermistor ? 2 mm (min.) temperature 13020 260 max tamb cooling time soldering preheating 30~90 sec. 1 sec. 10 sec. note 1 note 2 note 3 note 1: (1~3 )/sec note 2: approx. 200 /sec note 3: 5 /sec. (max)
ntc thermistor ttc03 series 3mm disc type for temperature sensing/compensation thinking electronic industrial co., ltd. 5 www.thinking.com.tw 2008.03 reliability item standard test conditions / methods specifications tensile strength of terminations iec 60068-2-21 gradually applying the force specified and keeping the unit fixed for 101 sec. terminal diameter force (mm) (kg) 0.3 ntc thermistor ttc03 series 3mm disc type for temperature sensing/compensation thinking electronic industrial co., ltd. 6 www.thinking.com.tw 2008.03 w 2 w w 0 w 1 a p p 1 p 0 p 3 p 2 d 0 h packaging taping specification (unit:mm) taping code p 0 1 p 3 1 p 1 1 p 2 1.3 h+2/-0 w 0 1 w 1 1 w 2(max) w1 amax d 0 0.2 p1.0 t0.2 a (p 0 =12.7) 12.7 12.7 4.83 6.35 18 12 9 3 18 1 4 2.54 0.6 e (p 0 =15.0) 15.0 15.0 5.98 7.50 18 12 9 3 18 1 4 2.54 0.6 quantity bulk packing reel packing ammo packing body size/mm quantity (pcs/bag) 03 500 body size/mm quantity (pcs/reel) 03 2500 body size/mm quantity (pcs/box) 03 2500 t (unit: mm) 551 311 34010 n n n n n n n n n n n 50 5 2 7 5 5 348 5
ntc thermistor ttc03 series 3mm disc type for temperature sensing/compensation thinking electronic industrial co., ltd. 7 www.thinking.com.tw 2008.03 storage conditions of products storage conditions 1. storage temperature -10 ~+40 2. relative humidity Q 75%rh 3. keep away from corrosive atmosphere and sunlight . period of storage 1 year
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