2SC6101 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 30 V
• Collector-Base Voltage, max: 40 V
• Emitter-Base Voltage, max: 6 V
• Collector Current − Continuous, max: 5 A
• Collector Dissipation: 8 W
• DC Current Gain (h_fe): 200 to 560
• Transition Frequency, min: 450 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-126

Here is an image showing the pin diagram of this transistor.Sometimes the "2S" prefix is not marked on the package - the 2SC6101 might only be marked "C6101".The complementary PNP transistor to the 2SC6101 is the 2SA2196.You can replace the 2SC6101 with the 2SC3420 or 2SC6102.