308 constitution drive menlo park, ca 94025-1164 phone: 800-227-4856 www.circuitprotection.com polyswitch? ptc devices overcurrent protection device product: asmd250f document: scd26584 rev letter: f rev date: may 12, 2011 page no.: 1 of 1 specification status: released maximum electrical ratings operating voltage / interrupt current 16v dc / 40a 12v dc / 60a 5v dc / 125a 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: 8.00 9.40 -- 3.00 5.99 6.71 0.56 0.71 0.56 0.71 3.6 8 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 25c, 9.85a ohms at 25c watts at 25c hold trip hold trip hold trip max min max* typ. 2.32 5.89 1.97 5.0 1.32 3.35 30 0.035 0.085 1.2 * maximum resistance is measured 1 hour after ref low. ** values specified were determined using pcbs wi th 0.120x2.0 ounce copper traces. reference documents: ps300, ps400 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 ? 2006, 2011 tyco electronics corporation, a te con nectivity ltd. company. all rights reserved. hf hfhf hf
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