2N5956 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 40 V
• Collector-Base Voltage, max: 50 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 6 A
• Collector Dissipation: 40 W
• DC Current Gain (h_fe): 20 to 100
• Transition Frequency, min: 5 MHz
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-66

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the 2N5956 is the 2N6374.You can replace the 2N5956 with the 2N5954 or 2N5955.