BD517 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 60 V
• Collector-Base Voltage, max: 60 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 BD517 is the BD518.You can replace the BD517 with the BD519, BD525, BD527, BD529 or NTE188.