polymer ptc resettable fuse ksm series strap type ksm series thinking electronic industrial co., ltd. 1 www.thinking.com.tw 2006.06 all specifications are subject to change without no tice. features 1. rohs compliant 2. broadest range of resettable devices available i n the industry 3. current ratings from 1.2 to 4.2a 4. maximum voltage: 15v, 24v 5. operating temperature range : -40 ~ +85 6. agency recognition :ul /cul/tuv recommended applications 1. rechargeable battery packs part no. code dimensions k s m 0 1 5 0 1 2 0 n b y 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 usage m metal hydride device l lithium ion device v very low temp. device h high power device i hold 0008 0.08a 0090 0.9a 0014 0.14a 0135 1.35a 0170 1.7a 0600 6a 1000 10a 1200 12a shape of lead s slitted lead on single side d slitted lead on duel side n noslitted lead packaging b bulk r taping & reel internal control code y rohs control product code k thinking pptc thermistor form factor s strap vmax. operation 015 15v 024 24v marking: xxx=vmax. operation, yyyy=i hold
polymer ptc resettable fuse ksm series strap type ksm series thinking electronic industrial co., ltd. 2 www.thinking.com.tw 2006.06 all specifications are subject to change without no tice. (unit: mm) a b c d f part no. min. max. min. max. min. max. min. max. min. max. ksm0150120 19.9 22.1 4.9 5.2 0.6 1.0 5.5 7.5 3.9 4.1 ksm0150175 20.9 23.1 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 ksm0240200 21.3 23.4 10.2 11.0 0.6 1.0 5.0 7.6 4.8 5 .4 ksm0240350 28.4 31.8 13.0 13.5 0.6 1.0 6.3 8.9 6.0 6 .6 KSM0240420 30.6 32.4 12.9 13.6 0.6 1.0 5.0 7.5 6.0 6 .7 characteristics(23 ) vmax. imax. ihold @ 23 itrip @ 23 pd (max.) maximum time to trip resistance ( ) safety approvals initial (ri) post trip (r1) part no. (v dc ) (a) (a) (a) (w) (a) (sec.) min. max. max. ul/cul tuv ksm0150120 15 100 1.20 2.70 1.20 6.00 5.0 0.085 0.160 0.220 ksm0150175 15 100 1.75 3.80 1.50 9.00 4.0 0.050 0.090 0.120 ksm0240200 24 100 2.00 4.40 1.90 10.00 4.0 0.030 0.060 0.100 ksm0240350 24 100 3.50 6.30 2.50 20.00 3.0 0.017 0.031 0.050 KSM0240420 24 100 4.20 7.60 2.90 20.00 6.0 0.012 0.024 0.040 note : ul&cul file no. e138827 tuv file no. r50066599 typical time to trip curve at 23 time to trip (sec.) fault current (a) 1= ksm0150120 2= ksm0240175 3= ksm0240200 4= ksm0240350 5= KSM0240420
polymer ptc resettable fuse ksm series strap type ksm series thinking electronic industrial co., ltd. 3 www.thinking.com.tw 2006.06 all specifications are subject to change without no tice. thermal derating curve reliability test item test condition/methods criteria passive aging 70 , 1000hrs 10% typical resistance change humidity storage 40 , 95%rh, 1344hrs mil-std 202, method 103 condition d 5% typical resistance change cycle life 50 cycles at a 120% maximum current (imax) and maximum voltage (vmax). ul 1434 normal appearance trip endurance vmax, imax, 48hrs normal appearance steady-state operating life vmax, iss, 1000hrs mil-std 750, method 1026 normal appearance derating curves for ksm series 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% -40 -20 0 20 40 60 80 temperature (c) percantage of derating curve
polymer ptc resettable fuse ksm series strap type ksm series thinking electronic industrial co., ltd. 4 www.thinking.com.tw 2006.06 all specifications are subject to change without no tice. packaging bulk packing ammo packing carton packing storage condition of products ( i ) storage conditions : 1.storage temperature : -10 ~+40 2.relative humidity : Q 75%rh 3.thermistors must be kept away from sunlight and s tored in a non-corrosive atmosphere. ( ii ) period of storage : 1 year series quantity pcs/bag ksm (0120~0175) 1000 ksm (0200~0420) 500 series quantity pcs/box ksm (0120~0175) 10000 ksm (0200~0420) 5000 series quantity pcs/box ksm (0120~0175) 60000 ksm (0200~0420) 30000
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