2N3821-Transistor NPN Power Amplifier Silicon Transistor in TO-39 Metal Can Package

2N3821-Transistor Overview

The 2N3821 transistor is a silicon NPN bipolar junction transistor designed for general-purpose amplification and switching applications. With a collector current capacity up to 8A and a collector-emitter voltage rating of 60V, it supports medium power operations efficiently. Its robust construction and reliable electrical characteristics make it suitable for industrial and commercial electronic circuits requiring moderate power handling and gain. This transistor is widely recognized for its performance stability and ruggedness in various environments. For detailed sourcing and technical support, visit IC Manufacturer.

2N3821-Transistor Technical Specifications

2N3821-Transistor Key Features

• High Collector Current Capacity: Supports up to 8A, enabling reliable operation in medium power circuits without overheating.
• Robust Voltage Ratings: Withstands up to 60V collector-emitter voltage, providing flexibility for various voltage-level designs.
• Durable TO-3 Package: Metal can packaging enhances thermal dissipation and mechanical stability for demanding industrial conditions.
• Moderate Gain Characteristics: DC current gain ranging between 20 and 70 allows effective amplification in analog signal processing applications.

Typical Applications

• Power amplifiers and audio output stages where medium power and stable gain are critical for consistent performance.
• Switching circuits in industrial control systems requiring high collector current and rugged transistor design.
• Motor control circuits benefiting from the transistor??s capability to handle substantial current loads efficiently.
• General-purpose amplification in electronic devices demanding reliability and thermal stability under continuous operation.

2N3821-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of high current handling and voltage endurance in a robust TO-3 package, making it more reliable than typical small-signal transistors. Compared to other medium power devices, it provides superior thermal dissipation and mechanical durability, enhancing longevity in demanding industrial environments. Its moderate gain range supports versatile circuit design with less risk of distortion, making it a preferred choice for stable amplification and switching functions.

2N3821-Transistor Brand Info

The 2N3821 transistor is a widely known industrial semiconductor device originally introduced by major manufacturers such as ON Semiconductor and Vishay. It has been a standard in the electronics industry for decades, commonly available through established distributors. The device maintains consistent quality standards and is manufactured under strict process controls to ensure reliable performance in power amplification and switching applications. Its enduring popularity reflects its proven track record in industrial and commercial electronics.

FAQ

What is the maximum collector current for the 2N3821 transistor?

The maximum collector current for this transistor is rated at 8 amperes, allowing it to handle medium power applications effectively without damage or performance degradation.

In what package is the 2N3821 typically supplied?

This transistor is commonly housed in a TO-3 metal can package, which provides excellent thermal conductivity and mechanical protection in industrial settings.

Can this transistor be used in audio amplifier circuits?

Yes, the