PBHV9040T Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -400 V
• Collector-Base Voltage, max: -500 V
• Emitter-Base Voltage, max: -6 V
• Collector Current − Continuous, max: -0.25 A
• Collector Dissipation: 0.3 W
• DC Current Gain (h_fe): 100
• Transition Frequency, min: 30 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-23

Here is an image showing the pin diagram of this transistor.The PBHV9040T transistor is marked as "W5".The complementary NPN transistor to the PBHV9040T is the PBHV8540T.You can replace the PBHV9040T with the STR2550.