MPS3394 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 25 V
• Collector-Base Voltage, max: 25 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.1 A
• Collector Dissipation: 0.625 W
• DC Current Gain (h_fe): 55 to 110
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92

The MPS3394 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 MPS3394 with the 2N3903, 2N4123, 2N4400, 2SC1210, 2SC1210-C, 2SC815, KSC815, KSC945, MPS3705, MPS4123, MPS6530, MPS6532, MPS6560, MPS6560G, MPS6601, MPS6601G, MPS6602, MPS6602G, PN2218, PN2218A, PN2221, PN2221A or PN3567.