BCP51-16 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -45 V
• Collector-Base Voltage, max: -45 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 1.5 W
• DC Current Gain (h_fe): 100 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 complementary NPN transistor to the BCP51-16 is the BCP54-16.You can replace the BCP51-16 with the BCP51, BCP52, BCP52-16, BCP53, BCP53-16, BDP948, BDP950, BDP952, BSP31, BSP33, NZT45H8 or NZT660.