2N3442-Transistor by ON Semiconductor | NPN Transistor | TO-18 Metal Can Package

2N3442-Transistor Overview

The 2N3442 is a high-performance NPN silicon transistor designed for medium power amplification and switching applications. Featuring a collector current rating of up to 3A and a collector-emitter voltage of 60V, this component excels in handling moderate power loads with reliable thermal stability. Its robust design ensures efficient operation in a variety of industrial and electronic circuits, including audio amplification and power regulation. Ideal for engineers and sourcing specialists seeking a durable and versatile transistor, this device balances power capacity with manageable heat dissipation. For further detailed specifications, visit IC Manufacturer.

2N3442-Transistor Key Features

• High Collector Current Capacity: Supports up to 3A, allowing effective handling of medium power loads in amplification and switching circuits.
• Moderate Voltage Rating: Collector-emitter voltage of 60V provides flexibility for a broad range of industrial applications requiring reliable voltage withstand.
• Efficient Thermal Performance: Designed to maintain operational stability with a maximum junction temperature of 200??C, ensuring longevity and reliability under thermal stress.
• Robust Gain Characteristics: Current gain (hFE) ranging from 20 to 70 at 1A collector current supports consistent signal amplification performance.

2N3442-Transistor Technical Specifications

2N3442-Transistor Advantages vs Typical Alternatives

Compared to typical general-purpose transistors, this device offers a higher collector current rating and superior power dissipation, enabling it to handle more demanding medium power applications efficiently. The balance between voltage tolerance and gain ensures precise signal control, while its thermal endurance boosts reliability in harsh operating environments. These factors make it a preferred choice for engineers requiring robust and consistent transistor performance in industrial and audio applications.

Typical Applications

• Medium power amplifier stages in audio systems, providing reliable amplification with controlled distortion and power handling suitable for demanding sound equipment.
• Switching applications in industrial control circuits where moderate voltage and current handling are essential for system stability.
• Driver stages for relay and solenoid controls requiring high current capability and fast switching characteristics.
• Voltage regulation circuits benefiting from the transistor??s stable gain and heat dissipation properties for consistent output performance.

2N3442-Transistor Brand Info

This transistor is a well-established component in the semiconductor industry, manufactured and distributed by multiple reputable suppliers. Known for its reliability and consistent electrical characteristics, it has been a standard choice in various industrial and electronic designs. The device is typically housed in a TO-39 metal can package, providing enhanced thermal conductivity and mechanical durability, which supports its application in demanding environments.

FAQ

What is the maximum collector current rating of this transistor?

The transistor supports a maximum collector current of 3A, allowing it to handle medium power loads effectively in amplification and switching applications without compromising performance.

What voltage levels can this transistor safely operate at?

It has a maximum collector-emitter voltage of 60V and a collector-base voltage of 80V, making it suitable for circuits requiring moderate voltage tolerance and robust operation.

How does the package type affect the transistor??s thermal performance?

The TO-39 metal can package offers superior thermal conductivity and mechanical protection, helping the transistor dissipate heat efficiently and maintain stable operation at elevated junction temperatures up to 200??C.

What current gain range can be expected from this transistor?

The device exhibits a DC current gain (hFE) between 20 and 70 at a collector current of 1A, enabling versatile use in amplification stages with consistent signal gain.

Can this transistor be used for switching applications?

Yes, with a robust current and voltage rating combined with a transition frequency of approximately 30 MHz, it is well-suited for switching tasks in industrial and control circuits requiring reliable performance.