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2SB857,晶体管,三极管,TO-220-3L封装,参数为:Pcm=2000mW,Ic=4000mA,BVcbo=70V,BVceo=50V,BVebo=5V,hfe(Min)=60,hfe(Max)=320,Vce(sat)=1V,fr=15+MHz,库存实时更新.咨询购买请致电:0755-83897562
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