BCP53 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -100 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 1.5 W
• DC Current Gain (h_fe): 40 to 250
• Transition Frequency, min: 125 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-223

Here is an image showing the pin diagram of this transistor.The BCP53 transistor is marked as "BCP53".The complementary NPN transistor to the BCP53 is the BCP56.You can replace the BCP53 with the BDP952, BDP954 or BDP956.