JANS2N2221A-Transistor NPN Bipolar Junction Transistor in TO-18 Metal Can Package

JANS2N2221A-Transistor Overview

The JANS2N2221A is a high-performance NPN bipolar junction transistor (BJT) designed for switching and amplification in industrial and military-grade applications. Featuring a maximum collector current of 800 mA and a collector-emitter voltage rating of 40 V, this transistor delivers reliable operation under demanding conditions. It offers fast switching speeds and low saturation voltage, making it suitable for high-speed signal processing. The device conforms to JAN (Joint Army-Navy) standards, ensuring enhanced quality and ruggedness. Ideal for use in control circuits, amplifiers, and signal drivers, it balances robust electrical characteristics with proven reliability. Available through IC Manufacturer, it supports precision engineering requirements.

JANS2N2221A-Transistor Technical Specifications

JANS2N2221A-Transistor Key Features

• High collector current capacity: Supports up to 800 mA, enabling robust switching and amplification in demanding circuits.
• Wide voltage ratings: Collector-emitter voltage of 40 V and collector-base voltage of 75 V accommodate a variety of industrial voltage levels.
• Fast switching speed: Transition frequency of 250 MHz ensures efficient high-frequency operation for signal processing and control applications.
• Military-grade reliability: JAN-certified to meet stringent quality standards, suitable for harsh environments and long-term stability.

Typical Applications

• Signal amplification and switching in industrial control systems requiring reliable transistor performance with high current capability.
• Driver stages for relay and solenoid control circuits, where fast switching and durability are critical.
• High-frequency oscillator and amplifier circuits benefiting from the device??s transition frequency and gain characteristics.
• Test and measurement equipment requiring robust transistors capable of operating over extended temperature ranges.

JANS2N2221A-Transistor Advantages vs Typical Alternatives

This transistor offers superior reliability and performance compared to standard 2N2221 transistors due to its JAN certification, ensuring operation under stringent military specifications. Its higher temperature tolerance and robust voltage ratings provide enhanced durability in industrial and aerospace environments. The fast switching capability combined with a high gain-bandwidth product contributes to greater circuit efficiency and precision, making it a preferred choice over generic alternatives for critical applications.

JANS2N2221A-Transistor Brand Info

The JANS2N2221A is a military-grade variant of the widely recognized 2N2221 transistor, originally developed by manufacturers adhering to Joint Army-Navy (JAN) standards for quality and reliability. This device is produced and distributed by established semiconductor companies specializing in defense and aerospace components. It is known for consistent performance in harsh environmental conditions, backed by rigorous testing and traceability. The JANS prefix indicates compliance with military specifications, making it suitable for applications requiring certified quality and ruggedness.

FAQ

What is the maximum collector current rating of the JANS2N2221A transistor?

The maximum collector current for this transistor is 800 mA. This allows it to handle moderate power levels suitable for switching and amplification in various industrial and military circuits.

How does the JAN certification affect the transistor??s reliability?

JAN certification means the transistor meets strict military standards for quality, environmental tolerance, and performance. This ensures enhanced