2SB557 Description
·With TO-3 package ·plement to type 2SD427 ·High power dissipation APPLICATIONS amplifier applications ·Remended for 50W high-fidelity audio frequency amplifier output stage PINNING(see Fig.2) PIN 1 2 3 Base Emitter Collector Fig.1 simplified outline (TO-3) and symbol DESCRIPTION .. MAX UNIT V(BR)CEO V Collector-emitter breakdown voltage IC=-0.1A ;IB=0 IE=-10mA ;IC=0 IC=-5A; VCB=-10V;f=1.0MHz IC=-1A.