2SB1155-Q Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -130 V
• Emitter-Base Voltage, max: -7 V
• Collector Current − Continuous, max: -15 A
• Collector Dissipation: 80 W
• DC Current Gain (h_fe): 90 to 180
• Transition Frequency, min: 25 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-3PF

Here is an image showing the pin diagram of this transistor.The 2SB1155-Q transistor can have a current gain of 90 to 180. The gain of the 2SB1155 will be in the range from 90 to 260, for the 2SB1155-P it will be in the range from 130 to 260.Sometimes the "2S" prefix is not marked on the package - the 2SB1155-Q might only be marked "B1155-Q".The complementary NPN transistor to the 2SB1155-Q is the 2SD1706-Q.You can replace the 2SB1155-Q with the 2SB1156 or 2SB1156-Q.