feature and applications ul e223037 ? rohs compliant (lead free) product ? electronic applications: rechargeable ba ttery packs, lithium cell and battery packs ? low profile, solid state ? operation current: 1.2a to 4.2a ? maximum operating voltage: 15v and 30v ? temperature range: -40oc to 85oc polymeric ptc mpsr series p art n umbering s ystem mpsr xxx meritek series current rating rev.7
electrical characteristics (23oc) resistance tolerance hold current trip current max. time to trip rated voltage maximum current typical power rmin rmax r1max part number ih, a it, a at 5xih, s v max, vdc imax, a pd, w ohms ohms ohms MPSR120 1.20 2.70 5.0 15 100 1.2 0.085 0.160 0.220 mpsr175 1.75 3.80 5.0 15 100 1.5 0.050 0.090 0.120 mpsr200 2.00 4.40 4.0 30 100 1.9 0.030 0.060 0.100 mpsr350 3.50 6.30 3.0 30 100 2.5 0.017 0.031 0.050 mpsr420 4.20 7.60 6.0 30 100 2.9 0.012 0.024 0.040 i h =hold current-maximum current at which the device will not trip at 23 o c still air. i t =trip current-minimum current at whic h the device will always trip at 23 o c still air. v max =maximum voltage device can withstand without damage at its rated current. i max = maximum fault current device can withstand without damage at rated voltage (v max ). p d =maximum power dissipated from device when in tripped state in 23 o c still air environment. r min =minimum device resistance at 23 o c. r1 max =maximum device resistance at 23 o c, 1 hour after tripping. physical specifications: lead material: 0.13mm nominal thickness, quarter-hard nickel. insulating material: polyester tape mpsr series polymeric ptc rev.7
product dimensions (millimeters) a b c d f part number min max min max min max min max min max MPSR120 19.9 22.1 4.9 5.2 0.6 1.0 5.5 7.5 3.9 4.1 mpsr175 20.9 23.1 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 mpsr200 21.3 23.4 10.2 11.0 0.5 1.1 5.0 7.6 4.8 5.4 mpsr350 28.4 31.8 13.0 13.5 0.5 1.1 6.3 8.9 6.0 6.6 mpsr420 30.6 32.4 12.9 13.6 0.5 1.1 5.0 7.5 6.0 6.7 mpsr series polymeric ptc rev.7
thermal derating curve typical time-to-trip at 23oc mpsr series polymeric ptc a = MPSR120 b = mpsr175 c = mpsr200 d = mpsr350 e = mpsr420 a b c d e 0.001 0.01 0.1 1 10 100 110100 fault current (a) time-to-trip (s) rev.7
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