2N3494 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -5 V
• Collector Current − Continuous, max: -0.1 A
• Collector Dissipation: 5 W
• DC Current Gain (h_fe): 40
• Transition Frequency, min: 200 MHz
• Operating and Storage Junction Temperature Range: -65 to +200 °C
• Package: TO-39

Here is an image showing the pin diagram of this transistor.You can replace the 2N3494 with the 2N3495, 2N3634, 2N3635, 2N4404, 2N4405, 2N4407, 2N5153, 2N5679, 2N5680, 2N6191, 2N6193 or 2SA510-O.