2SD1047C Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 140 V
• Collector-Base Voltage, max: 160 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 12 A
• Collector Dissipation: 120 W
• DC Current Gain (h_fe): 100 to 200
• Transition Frequency, min: 15 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-3P

Here is an image showing the pin diagram of this transistor.Sometimes the "2S" prefix is not marked on the package - the 2SD1047C might only be marked "D1047C".The complementary PNP transistor to the 2SD1047C is the 2SB817C.You can replace the 2SD1047C with the 2SD1047, 2SD1047-E, 2SD1717, 2SD1717-P, 2SD1718, 2SD1718-P, KTD1047, KTD1047-Y, KTD1047B, KTD1047B-Y, MJW3281A or MJW3281AG.