2N6648 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: -10 A
• Collector Dissipation: 100 W
• DC Current Gain (h_fe): 1000 to 20000
• 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 2N6648 is the 2N6383.The 2STN2540 (SOT-223) is the SMD version of the 2N6648 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2N6648 with the 2N6649, 2N6650, 2SA746, BD316, BDX64, BDX64A, BDX66, BDX66A, BDX68, BDX68A, MJ11011, MJ11011G, MJ2500, MJ2501, MJ4030, MJ4031, TIP605, TIP606, TIP645 or TIP646.