maximum reverse recovery time (note 1) trr 50 case:do-201adsintered glass case 1 of 2 features maximum ratings and electrical characteristics @ t a = 25 c unless otherwise specified mechanical data single phase, half wave, 60hz, resistive or inductive load. glass passivated junction low reverse current soft recovery characteristics very fast reverse recovery time low reverse recovery peak current terminal: plated axial leads solderable per mil-std 202e, method 208c polarity: color band denotes cathode end mounting position: any symbol BYW178 units maximum recurrent peak reverse voltage v rrm 800 v maximum rms voltage v rms 560 v maximum dc blocking voltage v dc 800 v reverse breakdown voltage at ir =0. 1ma v (br)r 1100min v maximum average forward rectified current i f(av) 3.0 a peak forward surge current at tp=10ms half sinewave i fsm 80 a maximum forward voltage at rated forward current and 25 c v f 1.90 v maximum dc reverse current tj = 25 c at rated dc blocking voltage tj = 100 c i r 1.0 20 m a m a ns typical thermal resistance (note 2) rth(ja) 70 k/w storage and operating junction temperature tstg, tj -55 to +1 75 note: 1. reverse recovery condition i f = 0.5a, i r = 1.0a, i rr = 0.25a 2. on pc board with spacing 37.5mm BYW178 3.0a axial leaded sintered glass junction fast avalanche rectifier do-201ad dim min max a 25.40 b 7.20 9.50 c 1.20 1.30 d 4.80 5.30 all dimensions in mm a a b c d
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