BF621 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -300 V
• Collector-Base Voltage, max: -300 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.05 A
• Collector Dissipation: 0.5 W
• DC Current Gain (h_fe): 50
• Transition Frequency, min: 60 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-89

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the BF621 is the BF620.You can replace the BF621 with the PBHV9040X.