2SC2522 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 120 V
• Collector-Base Voltage, max: 120 V
• Emitter-Base Voltage, max: 7 V
• Collector Current − Continuous, max: 12 A
• Collector Dissipation: 120 W
• DC Current Gain (h_fe): 60 to 200
• Transition Frequency, min: 80 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-3

Here is an image showing the pin diagram of this transistor.Sometimes the "2S" prefix is not marked on the package - the 2SC2522 might only be marked "C2522".The complementary PNP transistor to the 2SC2522 is the 2SA1072.You can replace the 2SC2522 with the 2SC1585, 2SC1586, 2SC2428, 2SC2431, 2SC2433, 2SC2522A, 2SC2523, 2SD733, 2SD733K or 2SD753.