digitron semiconductors 144 market street kenilworth nj 07033 usa phone +1.908.245-7200 BY448 & by458 standard recovery rectifiers maximum ratings (t j = 25c) parameters test conditions type symbol value unit BY448 1500 reverse voltage by458 v r = v rrm 1200 v peak forward surge current t p = 10ms, half sine wave i fsm 30 a average forward current i fav 2 a non repetitive reverse avalanche energy i (br)r = 0.4a e r 10 mj junction temperature t j 140 c storage temperature range t stg -55 to +175 c junction ambient i = 10mm, t l = constant r thja 45 k/w junction ambient on pc board with spacing 25mm r thja 100 k/w electrical characteristics (t j = 25) parameter test conditions symbol maximum unit forward voltage i f = 3a v f 1.6 v v r = v rrm i r 3 a reverse current v r = v rrm , t j = 140c i r 140 a total reverse recovery time i f = 1a, -d if /dt = 0.05a/s t rr 20 s reverse recovery time i f = 0.5a, i r = 1a, i r = 0.25a t rr 2 s mechanical characteristics case sod-57 marking body painted, alpha-numeric polarity cathode band available non-rohs (standard) or rohs compliant (add pbf suffix). available as ?hr? (high reliability) screened per mil-prf- 19500, jantx level. add ?hr? suffix to base part number. sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com rev. 20121214
digitron semiconductors 144 market street kenilworth nj 07033 usa phone +1.908.245-7200 BY448 & by458 standard recovery rectifiers sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com rev. 20121214
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