2SA1127 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -55 V
• Collector-Base Voltage, max: -60 V
• Emitter-Base Voltage, max: -7 V
• Collector Current − Continuous, max: -0.1 A
• Collector Dissipation: 0.4 W
• DC Current Gain (h_fe): 180 to 700
• Transition Frequency, min: 200 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92

The 2SA1127 is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, collector, and base leads.
Here is an image showing the pin diagram of this transistor.The 2SA1127 transistor can have a current gain of 180 to 700. The gain of the 2SA1127-R will be in the range from 180 to 360, for the 2SA1127-S it will be in the range from 260 to 520, for the 2SA1127-T it will be in the range from 360 to 700.Sometimes the "2S" prefix is not marked on the package - the 2SA1127 might only be marked "A1127".The complementary NPN transistor to the 2SA1127 is the 2SC2634.You can replace the 2SA1127 with the 2SB726.