2N3838-Transistor NPN Amplifier Transistor in TO-18 Metal Can Package by Motorola

2N3838-Transistor Overview

The 2N3838 is a high-performance NPN bipolar junction transistor (BJT) designed for medium power amplification and switching applications. This transistor offers robust electrical characteristics, including a collector current rating up to 8A and a collector-emitter voltage of 80V, making it suitable for a variety of industrial and electronic designs. Its ability to handle significant power dissipation and moderate frequency operation ensures reliable performance in audio amplifiers, power regulators, and switching circuits. Engineers and sourcing specialists will appreciate its balance of power handling, gain, and voltage rating, which align well with demanding industrial environments. For detailed specifications and availability, consult IC Manufacturer.

2N3838-Transistor Technical Specifications

2N3838-Transistor Key Features

• High collector current capacity: Supports up to 8A, enabling robust power handling in medium power amplifier applications.
• High voltage tolerance: Collector-emitter voltage rating of 80V allows reliable operation in circuits requiring moderate voltage endurance.
• Wide DC current gain range: Gain between 40 and 160 supports versatile amplification needs with efficiency in linear and switching modes.
• Durable TO-3 metal can package: Provides excellent thermal dissipation and mechanical stability, enhancing reliability in harsh industrial environments.
• Moderate frequency response: Transition frequency of 10 MHz suits audio and switching applications without compromising stability.
• High power dissipation capability: 75W rating ensures the transistor can operate safely under demanding load conditions.

Typical Applications

• Audio power amplifiers: Its power handling and gain make it ideal for driving mid-power audio stages requiring linear amplification.
• Switching regulators: The transistor’s voltage and current ratings facilitate efficient power regulation in industrial power supplies.
• Motor control circuits: Suitable for driving medium-sized motors where robust switching and current capability are essential.
• General-purpose switching: Commonly used in relay drivers and interface circuits due to its reliable switching performance and ruggedness.

2N3838-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced mix of high current capability, voltage tolerance, and power dissipation that outperforms many standard BJTs in similar classes. Its TO-3 package enhances thermal management compared to plastic packages, increasing reliability under heavy loads. The wide gain range provides design flexibility, while the moderate transition frequency ensures stable operation in both amplifier and switching roles. These features deliver improved efficiency, robustness, and integration ease in industrial and power applications compared to typical low-power or surface-mount alternatives.

2N3838-Transistor Brand Info

The 2N3838 transistor is a