2STN2540 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -40 V
• Collector-Base Voltage, max: -40 V
• Emitter-Base Voltage, max: -6 V
• Collector Current − Continuous, max: -5 A
• Collector Dissipation: 1.6 W
• DC Current Gain (h_fe): 150
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-223

Here is an image showing the pin diagram of this transistor.The 2STN2540 transistor is marked as "N2540".You can replace the 2STN2540 with the STN951.