polysw itch? ptc devices overcurrent protection device product : ahef 100 document : scd 2 6997 rev letter: d rev date: july 26,2016 page no.: 1 of 2 ? 2016 littelfuse, inc. littelfuse.com specifications are subject to change witho ut notice. revised july 26, 2016 specification status: released electrical rating voltage: 3 2 v dc max current: 10 0a max insulating material: cured, flame retardant epoxy polymer lead material: 24 awg tin plated copper clad steel part marking: table i. dimensions: a b c d e min max min max min max min max min max mm: -- 9.7 -- 13.6 4.3 5.8 7.6 -- -- 3.0 in*: -- (0.38) -- (0.54) (0.17) (0.23) (0.30) -- -- (0.12) *rounded off approximation table ii. performance ratings: i hold rate d current current ratings initial resistance values time to trip r amax tripped - state power dissipation amps at 25 ? c amps at 25 ? c ohms at 25 ? c seconds at 25 ? c, 5.0 a ohms at 25 ? c watts at 25 ? c hold hold trip min max max max typ 1.0 1.0 1. 9 0.1 5 0. 30 6 .2 0.43 1.4 reference documents: ps 4 00 , ps300 (reference for r 1 max ) precedence: this specification takes precedence over documents referenced herein. effectivity: reference documents shall be the issue in effect on the date of invitation for bid. c aution: operation beyond the rated voltage or current may result in rupture, electrical arcing or flame. materials information ro hs compliant elv compliant pb - free halogen free * * halogen free refers to: br 900ppm, cl 900ppm, br+cl 1500ppm. hf manufacturers mark lot identification and part identification e 1
polysw itch? ptc devices overcurrent protection device product : ahef 100 document : scd 2 6997 rev letter: d rev date: july 26,2016 page no.: 2 of 2 ? 2016 littelfuse, inc. littelfuse.com specifications are subject to change witho ut notice. revised july 26, 2016 table iii. automotive specific stress tests and test conditions: electrical stress tests test conditions (see note 2) esd voltage withstand (see note 1) 25kv short circuit fault current durability 25 cycles, 32 v, 200a fault current durability 350 cycles, 32 v/100a end - of - life mode verification 1750 cycles, 32 v/100a jump start endurance (see note 1) 3 cycles, 48 v, 2 - minute duration load dump endurance (see note 1) 10 cycles, 86.5v note 1: the polysw itch devices are tested in series with a load resistance and the voltages specified in the test conditions are shared between the polyswitch device and the load resistance as specified in ps400. note 2: please refer to appendix a of ps400 for the deta iled test procedures information furnished is believed to be accurate and reliable. however, users should independently evaluate the suitability o f and test each product selected for their own applications. littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, military, aerospace, medical, li fesaving, life - sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other app lication in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in ap plicable littelfuse product documentation warranties granted by littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable littelfuse documentation. littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by littelfuse as set forth in applicable littelfuse documentation the sale and use of littelfuse products is subject to littelfuse terms and conditions of sale, unless otherwise agreed by littelfuse.
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