MJE3440 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 250 V
• Collector-Base Voltage, max: 350 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.3 A
• Collector Dissipation: 15 W
• DC Current Gain (h_fe): 50 to 200
• Transition Frequency, min: 15 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-126

Here is an image showing the pin diagram of this transistor.You can replace the MJE3440 with the 2N5655, 2N5655G, 2N5656, 2N5656G, 2N5657, 2N5657G, 2SC2899, BD127, BD128, BD129, BD157, BD158, BD159, BD410, BUX86, BUX87, KSE340, MJE340, MJE340G, MJE3439 or MJE3439G.