2N1559 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -40 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -40 V
• Collector Current − Continuous, max: -15 A
• Collector Dissipation: 106 W
• DC Current Gain (h_fe): 50 to 100
• Operating and Storage Junction Temperature Range: -65 to +110 °C
• Package: TO-3

Here is an image showing the pin diagram of this transistor.You can replace the 2N1559 with the 2N1560, 2N5879, 2N5880, 2N5883, 2N5883G, 2N5884, 2N5884G, 2N6246, 2N6247, 2N6469, 2SA1042, 2SA1044, BD316, BDW52, MJ14001, MJ14001G, MJ14003 or MJ14003G.