電 話：021-39526589
網址：www.hnjgt.net
地 址：上海嘉定區嘉涌路99弄6號樓713室
還有對電信號放大的功能一般光敏三極管只引出
兩個極——發射極和集電極基極不引出
管殼同樣開窗口以便光線射入為增大光照基區面積做得很大
電 話：021-39529830轉8009
手 機；18917074297
企業QQ；2880626083
郵箱；18917074297@163.com
The same window in order to
open the envelope to inination light into the base area to do much
bias the emitter junction is forward biased in the absence of light
Emitting region smaller incid
ent light is absorbed mainlybase
dark current Iceo = (1 + β) Icbo
smallsmaller than the average current through the transistor
發射區較小入射光主要被基區吸收
The current flowing through the tube
工作時集電結反偏發射結正偏在無光照時
管子流過的電流為暗電流Iceo=(1+β)Icbo(很小)，比一般三極管的穿透電流還小
021-39526589
網址：www.hnjgt.net
地 址：上海市嘉定區嘉涌路99弄
6號樓713室
旺旺
