308 constitution drive menlo park, ca 94025-1164 phone: 800-227-4856 www.circuitprotection.com polyswitch? ptc devices overcurrent protection device product: smd185f document: scd25659 rev letter: g rev date: may 17, 2011 page no.: 1 of 1 specification status: released maximum electrical rating operating voltage / interrupt current 33v dc / 40a marking: notes: 1. all metal surfaces are tin plated. 2. devices cannot be wave soldered. 3. drawing not to scale. f g b c e a h d table i. dimensions: a b c d e f g h min max min max min max min max min max min max mi n max min mm: 8.0 9.4 -- 3.0 5.99 6.71 0.56 0.71 0.56 0.71 3.68 3 .94 0.66 1.37 0.43 in*: (0.315) (0.370) -- (0.118) (0.236) (0.264) (0.022) (0.028) (0.022) (0.028) (0.145) (0.155) (0.026) (0.054) (0.017) table ii. performance ratings: current ratings** time to trip** resistance values tripped-state power dissipation** amps at 0c amps at 20c amps at 60c seconds at 20c, 8.0a ohms at 20c watts at 20c hold trip hold trip hold trip max min max* max 2.20 4.40 1.85 3.60 1.31 2.62 5.0 0.065 0.165 1.5 * maximum resistance is measured 24 hours after re flow. ** values were determined using pcbs with 70 mil x 2 ounce copper traces. agency recognition: ul, csa, tv reference documents: ps300 precedence: this specification takes precedence ove r documents referenced herein. effectivity: reference documents shall be the issue in effect on the date of invitation for bid. caution: operation beyond the rated voltage or curr ent may result in rupture, electrical arcing or fla me. materials information rohs compliant elv compliant pb-free halogen free* * halogen free refers to: br 900ppm, cl 900ppm, br+cl 1500ppm ? 2005, 2011 tyco electronics corporation, a te con nectivity ltd. company. all rights reserved. hf hfhf hf
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