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| inchange semiconductor product specification silicon npn power transistors BUL381 description ? ? with to-220c package ? high voltage capability ? very high switching speed applications ? designed for use in lighting applications and low cost switch-mode power supplies. pinning pin description 1 base 2 collector;connected to mounting base 3 emitter absolute maximum ratings (ta=25 ?? ) symbol parameter conditions value unit v cbo collector-base voltage open emitter 800 v v ceo collector-emitter voltage open base 400 v v ebo emitter-base voltage open collector 9 v i c collector current 5 a i cm collector current-peak (t p <5 ms) 8 a i b base current 2 a i bm base current-peak (t p <5 ms) 4 a p t total power dissipation t c =25 ?? 70 w t j junction temperature 150 ?? t stg storage temperature -65~150 ?? thermal characteristics symbol parameter value unit r th j-c thermal resistance from junction to case 1.78 ??/w
inchange semiconductor product specification 2 silicon npn power transistors BUL381 characteristics tj=25 ?? unless otherwise specified symbol parameter conditions min typ. max unit v ceo(sus) collector-emitter sustaining voltage i c =100ma; l=25mh 400 v v (br)ebo emitter-base breakdown voltage i e =10ma; i c =0 v cesat-1 collector-emitter saturation voltage i c =1a ;i b =0.2a 0.5 v v cesat-2 collector-emitter saturation voltage i c =2a ;i b =0.4a 0.7 v v cesat-3 collector-emitter saturation voltage i c =3a ;i b =0.8a 1.1 v v besat-1 base-emitter saturation voltage i c =1a ;i b =0.2a 1.1 v v besat-2 base-emitter saturation voltage i c =2a ;i b =0.4a 1.2 v i ces collector cut-off current v ce =800v v be =0 t j =125 ?? 100 500 | a i ceo collector cut-off current v ce =400v; i b =0 250 | a h fe-1 dc current gain i c =2a ; v ce =5v 8 h fe-2 dc current gain i c =10ma ; v ce =5v 10 switching times resistive load t on turn-on time 1 | s t s storage time 1.4 2.2 | s t f fall time v cc =250v ,i c =2a i b1 =- i b2 =0.4a t p =30 | s 0.8 | s inchange semiconductor product specification 3 silicon npn power transistors BUL381 package outline fig.2 outline dimensions (unindicated tolerance: 0.1mm) |
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