MJ490 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -40 V
• Collector-Base Voltage, max: -40 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -4 A
• Collector Dissipation: 87.5 W
• DC Current Gain (h_fe): 30 to 200
• Transition Frequency, min: 4 MHz
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-3

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the MJ490 is the MJ480.You can replace the MJ490 with the 2SA657A, 2SA658A, 2SA744, 2SA746, BD316 or MJ491.