Transistor 2N3441 NPN 3A 140V Metal

The Transistor 2N3441 is a powerful and durable NPN transistor built to handle medium-to-high power applications requiring reliability, precision, and long-term performance. With a collector current of 3A and a collector-emitter voltage rating of 140V, this transistor is designed to operate efficiently in demanding electronic environments such as power amplifiers, switching regulators, and industrial control systems. The Transistor 2N3441 features a rugged metal package that ensures excellent heat dissipation and superior mechanical strength, making it ideal for professional and high-performance applications.

Key Features

• Type: NPN Silicon Power Transistor

• Collector Current (Ic): 3A continuous

• Collector-Emitter Voltage (Vce): 140V

• Collector-Base Voltage (Vcb): 160V

• Emitter-Base Voltage (Veb): 5V

• DC Current Gain (hFE): 20 – 120 (typical at Ic = 1A, Vce = 5V)

• Transition Frequency (fT): 4 MHz typical

• Package Type: TO-39 or TO-66 Metal Can for efficient thermal conduction

Advantages

• High collector-emitter voltage rating (140V) for use in medium- to high-voltage circuits.

• Excellent thermal performance due to the metal case, which enhances reliability under continuous load.

• Strong collector current capacity (3A), allowing stable operation in power-driven circuits.

• Fast switching speed suitable for pulse and switching applications.

• Designed for audio and power amplifiers, ensuring clean and distortion-free output.

• Excellent mechanical durability for industrial and rugged-use applications.

Applications

• Audio Power Amplifiers: Used in output stages for high-fidelity audio systems.

• Switching Regulators: Performs effectively in high-voltage switching power supplies.

• Motor Control Circuits: Handles moderate DC motor loads with precise control.

• Inverter and Converter Circuits: Ensures stable operation under repetitive switching cycles.

• Industrial Automation: Suitable for control systems requiring robust transistor performance.

Electrical Characteristics (Typical Values at 25°C)

Datasheet Summary

• Model: 2N3441

• Polarity: NPN

• Collector Current (Ic): 3A

• Collector-Emitter Voltage (Vce): 140V

• Power Dissipation: 40W

• Frequency Response: 4 MHz

• Package Type: TO-39 or TO-66 Metal Can

• Complementary Transistor: 2N5416 (PNP)

• Operating Temperature: -55°C to +200°C

Conclusion

The Transistor 2N3441 is a high-reliability NPN transistor designed for professional-grade circuits requiring precision, strength, and longevity. Its metal case construction ensures exceptional heat transfer and durability, while its electrical specifications make it ideal for amplifiers, power supplies, and industrial control systems. With excellent switching behavior and high voltage capability, the Transistor 2N3441 NPN 3A 140V Metal is a trusted choice for engineers, technicians, and designers seeking dependable performance in both audio and power electronics applications.