BD744A Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -60 V
• Collector-Base Voltage, max: -70 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -15 A
• Collector Dissipation: 90 W
• DC Current Gain (h_fe): 20 to 150
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the BD744A is the BD743A.You can replace the BD744A with the 2N6490, 2N6490G, 2N6491, 2N6491G, BD744B, BD744C, BD908, BD910 or BD912.