ntc thermistor tts type bead type for temperature sensing/compensation thinking electronic industrial co., ltd. 1 www.thinking.com.tw 2008.03 features 1. rohs compliant 2. body size 1.6mm~ 2.5mm 3. radial lead resin coated 4. long leads for easy sensor placement 5. -40 ~ +100 operating temperature range 6. wide resistance range 7. agency recognition: ul /cul recommended applications 1. home appliances (air conditioner, refrigerator, electric fan, electric cooker, washing machine, microwave oven, drinking machine, ctv, radio.) 2. thermometer part number code 1 2 3 .4 5 6 7 8 9 10 11 12 13 14 15 16 structure and dimensions definition of b value a b 25/85 b b 25/50 size 1 1.6mm x 3 mm (max) 2 2.5mm 4mm (max) (unit: mm) product type tts thinking ntc thermistor tts type 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 part no. dmax. amax. d l tts1 1.6 3.0 tts2 2.5 4.0 0.250.02 402 part no. dmax. amax. d l i tts1 1.6 3.0 tts2 2.5 4.0 0.230.02 804 41 c type e type d a l i d epoxy resin enameled copper wire soldered epoxy resin silver plated copper wire d a l d appearance c 0.25mm silver plated copper wire d 0.3 mm silver plated copper wire e 0.23mm enameled copper wire f 0.3mm enameled copper wire m 0.23mm enameled manganin wire p 0.5mm enameled manganin wire n 0.23mm enameled constantan wire
ntc thermistor tts type bead type for temperature sensing/compensation thinking electronic industrial co., ltd. 2 www.thinking.com.tw 2008.03 electrical characteristics zero power resistance at 25c tolerance of r 25 b value tolerance of b value max. power rating at 25c dissipation factor thermal time constant operating temperature range safety approvals part no. r 25 (k ) ( %) (k) (%) p max (mw) (mw/c) (sec.) t l ~t u (c) ul cul tts#b502 327* 5 25/50 3270 ? ? tts#b502 347* 5 25/50 3470 ? ? tts#b502 365* 5 25/50 3650 ? ? tts#b502 395* 5 25/50 3950 ? ? tts#b103 338* 10 25/50 3380 ? ? tts#b103 347* 10 25/50 3470 ? ? tts#b103 395* 10 25/50 3950 ? ? tts#a103 34d 10 25/85 3435 ? ? tts#a103 39h 10 25/85 3975 ? ? tts#b203 395* 20 25/50 3950 ? ? tts#a203 34d* 20 25/85 3435 ? ? tts#a303 395* 30 25/85 3950 ? ? tts#b473 395* 47 25/50 3950 ? ? tts#b503 395* 50 25/50 3950 ? ? tts#a503 34d* 50 25/85 3435 ? ? tts#a833 40b* 83 25/85 4015 ? ? tts#a104 34d* 100 25/85 3435 ? ? tts#b104 410* 100 25/50 4100 ? ? tts#a104 425* 100 25/85 4250 ? ? tts#b474 439* 470 25/50 4390 ? ? tts#a504 427* 500 25/85 4270 ? ? tts#b504 430* 500 1 2 3 5 10 25/50 4300 1 p 2 p 3 45 1 R 10 Q -40 ~ +100 ? ? note 1: # = body size , = tolerance of r 25 , * = tolerance of b value note 2: ul/ cul file no e138827
ntc thermistor tts type bead type for temperature sensing/compensation thinking electronic industrial co., ltd. 3 www.thinking.com.tw 2008.03 power derating curve r-t characteristic curves (representative) 0.1 1 10 100 1000 10000 100000 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 100 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 ) 100 p ta =(t u -ta)/(t u -25) pmax 60% pmax resistance(k ? ) tts#b502 327*~tts#b504 430* temperature ( ) tts#b504 430 tts#b104 410 tts#b503 395 tts#b203 395 tts#a103 34d tts#b502 327
ntc thermistor tts type bead 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 tts type bead 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) d Q 0.25 0.10 0.25 ntc thermistor tts type bead type for temperature sensing/compensation thinking electronic industrial co., ltd. 6 www.thinking.com.tw 2008.03 packaging bulk packing : 500 pcs/ bag 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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