2N6729 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -2 A
• Collector Dissipation: 2 W
• DC Current Gain (h_fe): 50 to 250
• Transition Frequency, min: 50 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-237

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the 2N6729 is the 2N6717.The BCP53 (SOT-223) is the SMD version of the 2N6729 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the 2N6729 with the 2N6730.