BF822 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 250 V
• Collector-Base Voltage, max: 250 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.05 A
• Collector Dissipation: 0.25 W
• DC Current Gain (h_fe): 50
• Transition Frequency, min: 60 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-23

Here is an image showing the pin diagram of this transistor.The BF822 transistor is marked as "1X".The complementary PNP transistor to the BF822 is the BF823.You can replace the BF822 with the 2SC4497-O, BF820, FMMT459, PBHV8540T, PMBTA44, PMBTA45 or STR1550.