bc237/238/239 transistor (npn) features power dissipation p cm: 0.35 w (tamb=25 ) collector current i cm: 0.1 a collector-base voltage v (br)cbo : bc237 50v bc238/239 30v operating and storage junction temperature range t j ,t stg : -55 to +150 electrical characteristics (tamb=25 unless otherwise specified) parameter symbol test conditions min typ max unit collector-base breakdown voltage v (br)cbo ic=100a, i e =0 bc237 bc238/239 50 30 v collector-emitter breakdown voltage v (br)ceo ic= 2 ma, i b =0 bc237 bc238/239 45 25 v emitter-base breakdown voltage v (br)ebo i e = 100 a, i c =0 bc237 bc238/239 6 5 v collector cut-off current i cbo v cb = 50 v, i e =0 bc237 v cb =3 0 v, i e =0 bc238/239 15 na emitter cut-off current i ebo v eb = 5 v, i c =0 15 na h fe(1) v ce =5v, i c = 10 a bc237a bc237b/238b bc237c/238c/239c 90 150 270 h fe(2) v ce = 5 v, i c = 2 ma bc237 BC239 bc237a bc237b/238b bc237c/238c/239c 120 120 120 200 380 170 290 500 800 800 220 460 800 dc current gain h fe(3) v ce =5v, i c = 100m a bc237a bc237b/238b bc237c/238c/239c 120 180 300 collector-emitter saturation voltage v ce(sat) i c =10ma, i b = 0.5 ma bc237/238/239 i c =100ma, i b = 5 ma bc237/239 bc238 0.2 0.6 0.8 v 1 2 3 to-92 1. collector 2. base 3. emitter b c237/238/239 http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
base-emitter saturation voltage v be(sat) i c =10ma, i b = 0.5 ma i c =100ma,i b = 5 ma 0.83 1.05 v base-emitter voltage v be v ce = 5 v, i c = 0.1 ma v ce = 5 v, i c = 2 ma v ce = 5 v, i c =100ma 0.55 0.5 0.62 0.83 0.7 v transition frequency f t v ce = 3 v,i c = 0.5 ma,f= 100 mhz bc237 bc238 BC239 v ce = 5 v,i c =10ma,f= 100 mhz bc237 bc238 BC239 150 150 150 100 120 140 200 240 280 mhz collector output capacitance c ob v cb = 10 v, i e =0, f= 1 mhz 4.5 pf emitter-base capacitance c ib v eb = 0.5 v, i c =0, f= 1 mhz 8 pf noise figure nf v ce = 5 v, i c = 0.2 ma, f= 1k hz, rs= 2 k ? BC239 v ce = 5 v, i c = 0.2 ma, f= 1k hz, rs= 2 k ? , ? f=200hz bc237 bc238 BC239 2 2 2 2 4 10 10 4 db http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
|
