2C3421 ON Semiconductor Power Transistor – NPN Bipolar Junction, TO-220 Package

2C3421 Overview

The 2C3421 is a high-performance bipolar junction transistor (BJT) designed for medium power amplification and switching applications. Its robust construction ensures reliable operation in industrial environments, with a focus on consistent gain and low noise characteristics. Engineered to meet demanding requirements, this transistor offers dependable performance for engineers and sourcing specialists seeking precision and durability in analog signal processing. The device is ideal for use in audio amplifiers, driver stages, and other signal conditioning circuits. For detailed technical data and procurement options, visit Fabricante de CI.

2C3421 Key Features

• Medium power capability: Supports collector currents up to 500 mA, allowing effective handling of moderate loads in amplification and switching circuits.
• High current gain (hFE): Ensures efficient signal amplification with minimal input power, improving overall circuit sensitivity and performance.
• Low noise operation: Suitable for analog audio and communication signal stages where signal integrity is critical.
• Durable TO-18 metal can package: Provides enhanced thermal conductivity and mechanical reliability for industrial applications.

2C3421 Technical Specifications

2C3421 Advantages vs Typical Alternatives

This transistor excels in delivering stable gain and low noise at medium power levels, outperforming many standard BJTs that may suffer from higher distortion or limited power capacity. Its broad gain range and robust TO-18 package enhance reliability and thermal management, making it a superior choice for industrial signal amplification and switching compared to generic alternatives.

Aplicações típicas

• Audio amplification stages requiring low noise and consistent gain for clear sound reproduction in professional and consumer systems.
• Driver circuits for relay and small motor control, leveraging the transistor??s ability to switch moderate currents efficiently.
• Signal conditioning in instrumentation, benefiting from stable gain and frequency response up to 80 MHz.
• General-purpose switching in industrial control systems where reliability and thermal stability are critical.

2C3421 Brand Info

The 2C3421 transistor is a proven component in the semiconductor industry, manufactured under stringent quality controls to ensure consistent electrical characteristics and durability. Its heritage as a reliable, medium-power BJT makes it a trusted choice among engineers designing analog and mixed-signal circuits. Widely available through authorized distributors, this product supports legacy designs as well as new industrial applications requiring dependable transistor performance.

FAQ

What is the maximum collector current of the 2C3421 transistor?

The transistor supports a maximum continuous collector current of 500 mA, making it suitable for medium power amplification and switching tasks in various electronic circuits.

Can this device operate at high frequencies?

Yes, the 2C3421 has a transition frequency (fT) of approximately 80 MHz, allowing it to perform effectively in applications requiring moderate high-frequency response.

What packaging does the 2C3421 come in, and why is it beneficial?

It is housed in a TO-18 metal can package, which offers superior thermal dissipation and mechanical strength compared to plastic packages, enhancing reliability in industrial environments.

Is the 2C3421 suitable for audio amplification?

Yes, due to its low noise characteristics and stable gain, the transistor is well-suited for audio amplification stages, ensuring clear and distortion-free signal output.

What temperature range can the 2C3421 safely operate within?

The device is rated for an operating temperature range from -65??C up to +200??C, supporting applications in harsh industrial and environmental conditions.