KSC2073 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 150 V
• Collector-Base Voltage, max: 150 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 1.5 A
• Collector Dissipation: 25 W
• DC Current Gain (h_fe): 40 to 140
• Transition Frequency, min: 4 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220
• Electrically Similar to the Popular 2SC2073 transistor

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the KSC2073 is the KSA940.The FMMT625 (SOT-23) is the SMD version of the KSC2073 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the KSC2073 with the 2SC1448, 2SC2073, 2SC2073A, 2SC3296, 2SD401, 2SD401A, 2SD402, 2SD610, 2SD772, 2SD772A, 2SD772B, 2SD792, 2SD792A, 2SD792B, KSC3296, MJE15030, MJE15030G, MJF15030, MJF15030G, TIP41F or TIP42F.