central semiconductor corp. tm 302 CMSH3-20L cmsh3-40l low forward voltage schottky barrier rectifier 3.0 amp, 20 and 40 volts description: the central semiconductor 3.0 amp surface mount low v f schottky rectifier is a high quality, well constructed, highly reliable component designed for use in all types of commercial, industrial, entertainment, computer, and automotive applications where high efficiency is required. to order devices on 12mm tape and reel (3000/13" reel), add tr13 suffix to part number. maximum ratings: (t a =25c unless otherwise noted) symbol CMSH3-20L cmsh3-40l units peak repetitive reverse voltage v rrm 20 40 v dc blocking voltage v r 20 40 v rms reverse voltage v r(rms) 14 28 v average forward current(t l =75c) i o 3.0 a peak forward surge current (8.3ms) i fsm 100 a operating and storage junction temperature t j ,t stg -65 to +150 c thermal resistance q jl 10 c/w electrical characteristics: (ta=25c unless otherwise noted) symbol test conditions min typ max units i r v r =rated v rrm 0.50 ma i r v r =rated v rrm , t a =100c 20 ma v f i f =3.0a (CMSH3-20L) 0.38 v v f i f =3.0a (cmsh3-40l) 0.40 v c j v r =4.0v, f=1.0mhz 260 pf smc case features: ? low forward voltage drop ? flammability classification ul94v-0 ? high current capability ? superior lot to lot consistency ? low cost ? c bend construction provides strain relief when mounted on pc board ? high reliability new low v f
303 r2 . all dimensions in inches (mm) top view marking codes: device marking code CMSH3-20L cs320l cmsh3-40l cs340l
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