JANSL2N2221A-Transistor NPN Bipolar Junction Transistor TO-18 Metal Can Package

JANSL2N2221A-Transistor Overview

The JANSL2N2221A transistor is a robust NPN bipolar junction transistor (BJT) optimized for switching and amplification applications in industrial and consumer electronics. Designed to handle moderate current and voltage levels, this transistor offers reliable performance with a maximum collector current suitable for driving loads such as relays, motors, and audio amplifiers. Known for its fast switching speed and stable gain characteristics, the JANSL2N2221A ensures efficient signal processing and power control. Engineers and sourcing specialists value this device for its consistency and ease of integration in diverse electronic circuits. For detailed specifications and purchasing options, visit IC Manufacturer.

JANSL2N2221A-Transistor Technical Specifications

JANSL2N2221A-Transistor Key Features

• High Collector Current Capacity: Supports up to 800 mA, enabling efficient driving of medium-power loads with minimal distortion.
• Wide Voltage Ratings: Collector-emitter voltage rating of 40 V allows operation in a variety of voltage environments, enhancing circuit versatility.
• Fast Switching Speed: Transition frequency around 300 MHz facilitates rapid switching in high-frequency applications, improving overall device responsiveness.
• Reliable Gain Characteristics: Consistent DC current gain ensures predictable amplification performance for signal processing tasks.
• Robust TO-18 Package: Metal can packaging offers excellent thermal dissipation and mechanical durability for industrial environments.

Typical Applications

• Switching Circuits: Ideal for use as a low-side switch in relay drivers, solenoids, and LED arrays where reliable current control is essential.
• Audio Amplifiers: Suitable for small-signal amplification stages in audio equipment, providing clear and efficient signal gain.
• Signal Processing: Employed in analog circuits requiring fast switching and stable amplification such as oscillators and pulse generators.
• Industrial Control Systems: Used in automation and control applications where moderate power switching and signal amplification improve system performance.

JANSL2N2221A-Transistor Advantages vs Typical Alternatives

This transistor offers superior switching speed and stable gain compared to many generic NPN BJTs, supporting up to 800 mA of collector current with reliable thermal performance. Its robust voltage ratings and metal can package improve durability and allow operation in harsher industrial environments. These characteristics make it a preferred choice over standard plastic-packaged transistors, delivering enhanced reliability and integration ease for engineers focused on consistent and long-lasting circuit performance.

JANSL2N2221A-Transistor Brand Info

The JANSL2N2221A is a variant of the widely recognized 2N2221 transistor family, originally introduced by major semiconductor manufacturers and widely produced by multiple IC suppliers. This device is commonly available from reputable IC manufacturers who adhere to strict quality standards, ensuring that each transistor meets industry-grade electrical and mechanical specifications. Its long-standing presence in the market affirms its reliability and versatility, making it a staple component in both legacy and modern electronic designs.

FAQ

What is the maximum collector current rating of the JANSL2N2221A transistor?

The transistor supports a maximum collector current of 800 mA, enabling it to drive moderate loads effectively without risk of damage when