JAN2N2221AL-Transistor NPN General-Purpose Amplifier in TO-18 Metal Can Package

JAN2N2221AL-Transistor Overview

The JAN2N2221AL transistor is a high-performance NPN bipolar junction transistor designed to provide reliable switching and amplification in a variety of industrial and commercial electronic circuits. Featuring a robust current capacity and voltage rating, this transistor is ideal for medium-power applications requiring fast switching speeds and consistent gain characteristics. Its military-grade JAN (Joint Army-Navy) specification assures enhanced reliability and stringent quality standards, making it suitable for demanding environments. Engineers and sourcing specialists can trust this transistor for efficient signal amplification and switching tasks where durability and stable operation are critical. For more detailed information, visit IC Manufacturer.

JAN2N2221AL-Transistor Technical Specifications

JAN2N2221AL-Transistor Key Features

• High current handling: Supports collector currents up to 600 mA, enabling use in moderate power circuits without risk of early failure.
• Robust voltage ratings: With a collector-emitter voltage rating of 40 V, it delivers reliable performance in circuits requiring moderate voltage tolerance.
• Fast switching speed: Transition frequency around 250 MHz facilitates efficient operation in high-frequency amplifier and switch designs.
• Military-grade quality: Compliance with JAN standards ensures reliability and consistency under harsh environmental conditions.
• Compact TO-18 package: Metal can packaging improves thermal dissipation and mechanical robustness.

Typical Applications

• Signal amplification in audio and RF circuits where medium power gain and low noise are required.
• Switching applications such as relay drivers, lamp drivers, and other general-purpose switching tasks in industrial control systems.
• Interface stages in sensor circuits, providing reliable current amplification from low-level input signals.
• Designed for use in military and aerospace equipment, where high reliability and strict quality adherence are mandatory.

JAN2N2221AL-Transistor Advantages vs Typical Alternatives

This transistor offers superior reliability and consistent performance compared to standard commercial variants, thanks to its JAN military-grade certification. It provides a balance of high current capacity and fast switching suitable for demanding applications. Its robust voltage ratings and metal can package enhance thermal management and longevity. These features make it preferable for engineers seeking durable, high-quality transistors for rigorous industrial or defense electronics over typical low-grade substitutes.

JAN2N2221AL-Transistor Brand Info

The JAN2N2221AL transistor is a variant of the widely recognized 2N2221 series, originally standardized by the Joint Army-Navy (JAN) specifications to meet stringent military requirements for reliability and uniformity. Historically, this transistor was produced by manufacturers compliant with military standards, including companies like ON Semiconductor, Fairchild, and others specializing in defense-grade semiconductor components. Today, the JAN prefix denotes devices subjected to enhanced quality controls, making it a trusted choice in aerospace, military, and industrial electronics, ensuring stable performance under extreme conditions.

FAQ

What does the JAN prefix in JAN2N2221AL signify?

The JAN prefix indicates that the transistor meets the Joint Army-Navy military standard for quality and reliability. This means the device undergoes rigorous testing and adheres to strict manufacturing criteria, ensuring enhanced durability and consistent performance in demanding environments.

What type of package does this transistor use?

This transistor is housed in a TO-18 metal can package.