2SB1122-S Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -50 V
• Collector-Base Voltage, max: -60 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 0.5 W
• DC Current Gain (h_fe): 140 to 280
• Transition Frequency, min: 150 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: SOT-89

Here is an image showing the pin diagram of this transistor.The 2SB1122-S transistor can have a current gain of 140 to 280. The gain of the 2SB1122 will be in the range from 100 to 560, for the 2SB1122-R it will be in the range from 100 to 200, for the 2SB1122-T it will be in the range from 200 to 400, for the 2SB1122-U it will be in the range from 280 to 560.The 2SB1122-S transistor is marked as "BES".The complementary NPN transistor to the 2SB1122-S is the 2SD1622-S.You can replace the 2SB1122-S with the 2SA1364, 2SB1115, 2SB1115A, 2SB1123, 2SB1123-S, 2SB1124, 2SB1124-S, 2SB766A, 2STF2550, BSR31 or BSR33.