2N6291 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 50 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 7 A
• Collector Dissipation: 40 W
• DC Current Gain (h_fe): 30 to 150
• Transition Frequency, min: 10 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the 2N6291 is the 2N6108.You can replace the 2N6291 with the 2N6290, 2N6290G, 2N6292, 2N6292G, 2N6293, 2N6487, 2N6487G, 2N6488, 2N6488G, BD203, BD303, BD707, BD709, BD711, BD743A, BD743B, BD743C, BD797, BD799, BD801, BD807, BD809, BD907, BD909, BD911, BDT91, BDT91F, BDT93, BDT93F, BDT95, BDT95F, BDX77 or NTE196.