308 constitution drive menlo park, ca 94025-1164 phone: 800-227-4856 www.circuitprotection.com polyswitch? ptc devices overcurrent protection device raychem circuit protection products product: trf250-120t-b-0.5 document: scd 26214 pcn: rf0014-000 rev letter: c rev date: may 22, 2007 page no.: 1 of 1 specification status: released max electrical rating at 20c operating voltage: 60v dc interrupt current: 3a rms fault voltage: 250v rms lead material : 22 awg sn plated copper (0.65 mm [0.026?] nominal diameter) external coating material: cured, flame retardant epoxy polymer, meeting ul94 v-0 requirements. marking: table i. dimensions: a b c d e f min max min max min max min max nom max mm: -- 6.5 -- 11.0 -- 4.6 4.7 -- 5.0 7.0 in: -- (0.256) -- (0.433) -- (0 .180) (0.185) -- (0.197) (0.276) table ii. performance ratings @ 20c (unless otherwise noted): resistance ( ? ) time to trip (s) @ 1a operating temperature (c) ihold (a) itrip (a) r min r max r 1 max * typ min max 0.120 0.240 7.0 12.0 16.0 1.2 -40 85 * maximum device resistance @ 20c measured 1hour post trip. additional ratings @ 20 c resistance matched 0.5 ohm lightning withstand itu-t @ 1.5kv agency recognition: ul, csa, tuv reference documents: ps300 precedence: this specification takes pr ecedence over documents referenced herein. effectivity: reference documents shall be the iss ue in effect on the date of invitation for bid. caution: operation beyond the rated volt age or current may result in rupt ure, electrical arcing or flame. materials information rohs compliant elv compliant pb-free ? 2006, 2007 tyco electronics corporation. all rights reserved. ra y chem lo g o lot identification part identification 20 f rohs indication
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