2SC3797 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 500 V
• Collector-Base Voltage, max: 800 V
• Emitter-Base Voltage, max: 8 V
• Collector Current − Continuous, max: 7 A
• Collector Dissipation: 100 W
• DC Current Gain (h_fe): 8
• Transition Frequency, min: 8 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 2SC3797 might only be marked "C3797".You can replace the 2SC3797 with the 2SC3449, 2SC3449-L, 2SC3449-M, 2SC3449-N, 2SC3450, 2SC3450-L, 2SC3450-M, 2SC3450-N, 2SC3451, 2SC3451-L, 2SC3451-M, 2SC3451-N, 2SC3461, 2SC3461-L, 2SC3461-M, 2SC3461-N, 2SC3552, 2SC3552-K, 2SC3552-L, 2SC3552-M, 2SC3831, 2SC3886, 2SC3886A, 2SC3988, 2SC3988-L, 2SC3988-M, 2SC3988-N, 2SC3989, 2SC3989-L, 2SC3989-M, 2SC3989-N, 2SC3990, 2SC3990-L, 2SC3990-M, 2SC3990-N, 2SC3991, 2SC3991-L, 2SC3991-M, 2SC3991-N, 2SC3992, 2SC3992-K, 2SC3992-L, 2SC3992-M, 2SC3993, 2SC3993-K, 2SC3993-L, 2SC3993-M, 2SC3994, 2SC3994-K, 2SC3994-L, 2SC3994-M, 2SC3995, 2SC3996, 2SC3997, 2SC3998, KSC3552, KSC3552-N, KSC3552-O, KSC3552-R, KSC5024, KSC5024-N, KSC5024-O or KSC5024-R.