features 1. eia size 0402, 0603, 0805, 1206 2. highly reliable monolithic structure 3. wide resistance range 4. cost effective 5. a g enc y reco g nition: ul p art n umbering s ystem tsm 2 a 104 h 39 h 2 r meritek series size code 1 2 0603 0805 beta value code a b b 25/85 b 25/50 part no. (r25) code 102 103 1k 10k tolerance of resistor code f g h j k (%) 1 2 3 5 10 beta valuefirst 2 digits code 30 31 . 39 40 41 .. 30 31 . 39 40 41 . beta valuelast 2 digits code 0 a 1 2 d 5 f . h h 00 05 10 20 35 50 55 . 75 75 tolerance of beta value code 1 2 3 (%) 1 2 3 standard packaging code r b reel bulk dimensions ul e223037 meritek ntc thermistors tsm series smd thermistors part no. size l nor. w nor. t max. > min. tsm0 0402 1.000.15 0.500.10 0.60 0.2 tsm1 0603 1.600.15 0.800.15 0.95 0.3 tsm2 0805 2.000.20 1.250.20 1.20 0.4 tsm3 1206 3.200.30 1.600.20 1.50 0.5 s pecifications are subject to change without notice. rev.6 a
? electrical characteristics safety approvals 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 part no. r 25 (k ) ( %) (k) (%) p max (mw) / (mw/c) 2 (sec.) t l ~t u (c) ul tsm0a103^34d* 10 3435 tsm0a103^391* 10 3910 tsm0a223^393* 22 3930 tsm0a333^393* 33 3930 tsm0a473^393* 47 3930 tsm0a503^395* 50 3950 tsm0a683^405* 68 4050 tsm0a104^39h* 100 3975 tsm0a224^405* 220 4050 tsm0a474^409* 470 1 ? 2 ? 3 5 ? 10 25/85 4090 1 ? 2 ? 3 tsm0b474^470* 470 5 ? 10 25/50 4700 2 ? 3 170 approx. 1.7 approx. 2 -40 ~ +125 tsm1a202^340* 2 3400 tsm1a222^34d* 2.2 1 ? 2 ? 3 ? 5 ? 10 25/85 3435 tsm1b222^395* 2.2 5 ? 10 25/50 3950 tsm1a472^34d* 4.7 3435 ? tsm1a472^367* 4.7 3670 ? tsm1a502^34d* 5 3435 ? tsm1a682^34d* 6.8 1 ? 2 ? 3 ? 5 ? 10 3435 tsm1a682^430* 6.8 5 ? 10 4300 tsm1a103^34d* 10 3435 ? tsm1a103^39h* 10 25/85 3975 ? tsm1b103^425* 10 25/50 4250 tsm1a123^380* 12 3800 tsm1a153^395* 15 3950 tsm1a223^39h* 22 3975 tsm1a333^39h* 33 3975 tsm1a473^39h* 47 3975 ? tsm1a503^39h* 50 3975 ? tsm1a683^39h* 68 3975 tsm1a104^405* 100 25/85 4050 ? tsm1b104^425* 100 25/50 4250 tsm1a104^436* 100 4360 ? tsm1a154^406* 150 4060 ? tsm1a204^410* 200 4100 ? tsm1a224^410* 220 4100 ? tsm1a334^415* 330 4150 tsm1a474^410* 470 25/85 4100 tsm1b474^446* 470 1 ? 2 ? 3 ? 5 ? 10 25/50 4460 1 ? 2 ? 3 210 approx 2.1 approx 3.1 -40~+125 note 1: ^ = tolerance of r 25 note 2: * = tolerance of b value *special specification are available upon request meritek ntc thermistors tsm series smd thermistors
? electrical characteristics safety approvals 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 part no. r 25 (k ) ( %) (k) (%) p max (mw) / (mw/c) 2 (sec.) t l ~t u (c) ul tsm2a102^320* 1 3200 ? tsm2a472^34d* 4.7 3435 tsm2a502^34d* 5 3435 tsm2a682^34d* 6.8 3435 tsm2a103^34d* 10 3435 tsm2a103^380* 10 3800 ? tsm2a103^39h* 10 3975 ? tsm2a153^395* 15 3950 tsm2a203^395* 20 3950 tsm2a223^380* 22 3800 tsm2a223^39h* 22 3975 tsm2a303^39h* 30 3975 tsm2a473^39h* 47 3975 ? tsm2a503^39h* 50 3975 ? tsm2a683^39h* 68 3975 1 ? 2 ? 3 240 approx 3.2 approx 5.4 -40~+125 tsm2a104^405* 100 4050 ? tsm2a204^410* 200 4100 ? tsm2a224^410* 220 1 ? 2 ? 3 ? 5 ? 10 25/85 4100 1 ? 2 ? 3 240 approx 3.2 approx 5.4 -40~+125 ? tsm3a472^34d* 4.7 3435 tsm3a502^34d* 5 3435 tsm3a103^34d* 10 3435 tsm3a103^39h* 10 3975 tsm3a223^39h* 22 3975 tsm3a473^39h* 47 3975 tsm3a503^39h* 50 3975 tsm3a683^39h* 68 3975 tsm3a104^405* 100 4050 tsm3a204^410* 200 4100 tsm3a224^410* 220 4100 tsm3a474^425* 470 1 ? 2 ? 3 ? 5 ? 10 25/85 4250 1 ? 2 ? 3 320 approx 3.2 approx 6.7 -40~+125 note 1: ^ = tolerance of r 25 note 2: * = tolerance of b value *special specification are available upon request meritek ntc thermistors tsm series smd thermistors
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