2N3822-Transistor NPN Amplifier Transistor in TO-18 Metal Can Package by ON Semiconductor

2N3822-Transistor Overview

The 2N3822 is a high-gain, silicon NPN bipolar junction transistor designed primarily for low noise and medium power amplification applications. With a collector current capability up to 0.8 A and a collector-emitter voltage rating of 30 V, it serves effectively in amplifier stages where reliable switching and signal amplification are essential. Its robust construction ensures stable operation over a wide temperature range, making it suitable for industrial and commercial electronics. Engineers and sourcing specialists can rely on this transistor for consistent performance in audio, RF, and general-purpose switching circuits. For more detailed product sourcing and technical support, visit IC Manufacturer.

2N3822-Transistor Technical Specifications

2N3822-Transistor Key Features

• High Current Handling: Supports up to 0.8 A collector current, enabling effective use in medium power amplifier and switching circuits.
• Wide Voltage Range: With a collector-emitter voltage rating of 30 V, it accommodates various circuit requirements safely.
• Low Noise Performance: Optimized for low noise operation, making it ideal for preamplifier and RF amplifier applications.
• Robust Thermal Stability: Operates reliably over a broad temperature range from ?65??C to +200??C, suitable for harsh industrial environments.

Typical Applications

• Low noise audio amplifiers where signal integrity is critical, utilizing the transistor??s high gain and low noise characteristics to improve sound quality.
• Switching circuits in industrial control systems requiring medium power handling and reliable operation under varying loads.
• RF amplifiers operating at frequencies up to 70 MHz, leveraging the transistor??s transition frequency and gain to enhance signal amplification.
• General-purpose amplification in consumer and commercial electronic devices, providing a cost-effective, dependable transistor solution.

2N3822-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of high current capacity, voltage tolerance, and low noise performance that distinguishes it from typical small-signal transistors. Its metal can TO-18 package ensures superior thermal dissipation compared to plastic encapsulated alternatives, which enhances reliability in demanding applications. The broad operating temperature range and robust gain characteristics make it a preferred choice for engineers seeking precision and durability in audio, RF, and switching circuits.

2N3822-Transistor Brand Info

The 2N3822 transistor is a well-established device originally introduced by major semiconductor manufacturers such as Motorola and Texas Instruments. It remains in production by multiple reputable suppliers specializing in discrete semiconductors. Known for its consistent quality and availability, the 2N3822 is widely stocked in the electronics supply chain, supporting legacy and new designs alike. Its proven track record in industrial and commercial applications underscores its value as a trusted component for engineers and sourcing specialists.

FAQ

What is the maximum collector current for the 2N3822 transistor?

The maximum continuous collector current rating for this transistor is 0.8 A. This allows it to handle medium power loads effectively in amplifier and switching circuits without risk of damage when operated within specified limits.

Application	Consumer Electronics, Industrial Automation, Telecommunications and Networking