2N3773 NPN High Power Transistor 140V 16A TO-3 Metal Package

2N3773 NPN High Power Transistor 140V 16A TO-3 Metal Package

The 2N3773 is a high-power NPN silicon transistor designed for medium to high-current switching and amplification applications. With a collector-emitter voltage of 140V and a collector current of 16A, it is suitable for power amplifier stages, motor control circuits, and high-current switching applications.

Housed in a TO-3 metal package, the transistor offers excellent heat dissipation, mechanical robustness, and long-term reliability. Its high power handling capability combined with moderate gain and low saturation voltage makes it ideal for audio amplifiers, voltage regulators, and industrial power circuits.

The 2N3773 is commonly used in push-pull amplifier stages and high-current driver circuits, offering stable performance under demanding conditions. Its metal package allows mounting on a heatsink to safely dissipate heat generated during continuous operation.

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Features

• Type: NPN Silicon Power Transistor
• Collector–Emitter Voltage (Vce): 140V
• Collector Current (Ic): 16A continuous
• Collector–Base Voltage (Vcb): 140V
• Emitter–Base Voltage (Veb): 5V
• Power Dissipation (Ptot): 150W
• DC Current Gain (hFE): 20–70
• Transition Frequency (fT): 3 MHz typical
• Package: TO-3 Metal – excellent heat dissipation and rugged design
• Junction Temperature (Tj max): 200°C
• Low Saturation Voltage: Efficient for switching and linear applications
• RoHS Compliant

Applications

• Audio power amplifiers (output stages)
• High-current motor control circuits
• Voltage and current regulators
• Power switching circuits
• Relay and solenoid drivers
• Industrial and laboratory electronics
• Push-pull and complementary amplifier stages
• General-purpose high-power switching

2n3773-npn-transistor-datasheet