STA124 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -12 V
• Collector-Base Voltage, max: -15 V
• Emitter-Base Voltage, max: -7 V
• Collector Current − Continuous, max: -1 A
• Collector Dissipation: 0.625 W
• DC Current Gain (h_fe): 200 to 450
• Transition Frequency, min: 120 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92

The STA124 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.You can replace the STA124 with the 2SA1282, 2SA1282A, 2SA1300 or 2SB1068.