MPS3705 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 30 V
• Collector-Base Voltage, max: 50 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.8 A
• Collector Dissipation: 0.625 W
• DC Current Gain (h_fe): 50 to 150
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92

The MPS3705 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.You can replace the MPS3705 with the BC537, MPS6602, MPS6602G or ZTX451.