JAN2N3439U4-Transistor NPN High-Power Amplifier in TO-3 Package by JAN

JAN2N3439U4-Transistor Overview

The JAN2N3439U4 is a high-power NPN bipolar junction transistor designed for robust switching and amplification in demanding industrial and military applications. It offers reliable operation at high voltages and currents, making it suitable for power control and signal amplification tasks. This transistor features a TO-3 metal can package, ensuring excellent thermal dissipation and mechanical stability. With its rugged construction and well-defined electrical parameters, it serves as a dependable component in power supply circuits, motor control, and amplifier stages. For detailed sourcing and additional technical support, visit IC Manufacturer.

JAN2N3439U4-Transistor Technical Specifications

JAN2N3439U4-Transistor Key Features

• High voltage and current capacity: Supports collector-emitter voltages up to 160 V and continuous collector currents of 10 A, enabling power handling in demanding circuits.
• Robust TO-3 package: Metal can design provides superior heat dissipation and mechanical durability, improving device reliability in harsh environments.
• Wide DC gain range: Gain of 20 to 70 facilitates flexible design options for amplification and switching applications.
• High power dissipation capability: 115 W rating allows operation in high power applications without thermal runaway.

Typical Applications

• Power amplifier stages in industrial and military systems requiring stable, high-current transistor operation.
• Switching regulators and power control circuits where high voltage and current handling are critical.
• Motor control drivers in automated manufacturing and heavy machinery.
• High-reliability electronic systems subject to thermal and mechanical stresses, such as aerospace and defense electronics.

JAN2N3439U4-Transistor Advantages vs Typical Alternatives

This transistor stands out with its high voltage and current ratings combined with a rugged TO-3 package, offering superior thermal management and mechanical strength compared to typical plastic-encapsulated devices. Its broad DC current gain range and substantial power dissipation capability provide enhanced flexibility and reliability in power amplification and switching roles. These features make it a preferred choice for applications demanding durability and stable performance under harsh conditions.

JAN2N3439U4-Transistor Brand Info

The JAN2N3439U4 transistor is a military-grade variant based on the 2N3439 transistor series originally developed and produced by several established semiconductor manufacturers. The “JAN” prefix indicates compliance with Joint Army-Navy standards, ensuring stringent quality and reliability requirements for defense and aerospace applications. Historically, manufacturers such as ON Semiconductor, Texas Instruments, and others have produced versions of this transistor under licensed or proprietary agreements. The device is recognized for its reliability, ruggedness, and suitability in high-performance power electronics.

FAQ

What is the maximum collector current rating for this transistor?

The maximum continuous collector current is rated at 10 Amperes. This allows the transistor to handle significant current loads in power amplification and switching applications while maintaining safe operating conditions.

What package type does this transistor use and why is it important?

This transistor is housed in a TO-3 metal can package, which is crucial for effective thermal dissipation and mechanical durability. The metal case helps prevent overheating and ensures long-term reliability in