1s922/1s923 1s922/1s923, rev. b 1s922/1s923 small signal diode absolute maximum ratings* t a = 25c unless otherwise noted * these ratings are limiting values above which the serviceability of any semiconductor device may be impaired. notes : 1) these ratings are based on a maximum junction temperature of 200 degrees c. 2) these are steady state limits. the factory should be consulted on applications involving pulsed or low duty cycle operations. thermal characteristics do-35 color band denotes cathode ? 2002 fairchild semiconductor corporation electrical characteristics t a = 25c unless otherwise noted symbol parameter value units v rrm maximum repetitive reverse voltage 1s922 1s923 150 200 v v i f(av) average rectified forward current 200 ma i fsm non-repetitive peak forward surge current pulse width = 1.0 second pulse width = 1.0 microsecond 1.0 4.0 a a t stg storage temperature range -65 to +200 c t j operating junction temperature 175 c symbol parameter value units p d power dissipation 500 mw r ja thermal resistance, junction to ambient 300 c/w symbol parameter test conditions min max units v r breakdown voltage 1s922 1s923 i r = 5 a i r = 5 a 150 200 v v v f forward voltage i f = 200 ma 1.2 v i r reverse current 1s922 1s923 v r = 150 v v r = 150 v, t a = 150 c v r = 200 v v r = 200 v, t a = 150 c 100 50 100 50 na a na a
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