BD520 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -4 V
• Collector Current − Continuous, max: -2 A
• Collector Dissipation: 8 W
• DC Current Gain (h_fe): 60 to 350
• Transition Frequency, min: 125 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-202

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the BD520 is the BD519.You can replace the BD520 with the BD528, BD530 or NTE189.