Path:OKDatasheet > Halbleiter Datenblatt > Usha Datenblatt > 2SA643
2SA643 spec: Low frequency power amplifier. Collector-base voltage Vcbo = -40V. Collector-emitter voltage Vceo = -20V. Emitter-base voltage Vebo = -5V. Collector dissipation Pc(max) = 500mW.