BD519 Bipolar Transistor

• Type: NPN
• 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: 160 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 PNP transistor to the BD519 is the BD520.You can replace the BD519 with the BD527, BD529 or NTE188.