BD139 BD140 Plastic Medium-Power Silicon NPN - PNP Transistors This series of plastic, mediumpower silicon transistors are designed for use as audio amplifiers and drivers
Max working Voltage Vce = +-80 volts, Max Collector Current - 1.5 Amp
Max Power Dissipation - 12.5 Watts
Suitable for use in High Power Audio amplifiers & Home Theater Systems.