MPSL51 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -100 V
• Collector-Base Voltage, max: -100 V
• Emitter-Base Voltage, max: -4 V
• Collector Current − Continuous, max: -0.2 A
• Collector Dissipation: 0.625 W
• DC Current Gain (h_fe): 40 to 250
• Transition Frequency, min: 60 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92

The MPSL51 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, base, and collector leads.
Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the MPSL51 is the MPSL01.You can replace the MPSL51 with the 2SA709, KSP93 or MPSA93.