JANS2N2221AUA-Transistor NPN Bipolar Junction Transistor in TO-18 Metal Can Package

JANS2N2221AUA-Transistor Overview

The JANS2N2221AUA is a high-reliability, NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. It offers robust performance with a focus on consistent gain and switching capabilities, making it suitable for industrial, military, and aerospace electronics. The device features a TO-18 hermetic metal can package optimized for environments requiring enhanced durability and thermal management. This transistor is engineered to meet stringent quality standards and provides dependable operation across a wide temperature range. For detailed product sourcing and additional technical support, visit IC Manufacturer.

JANS2N2221AUA-Transistor Technical Specifications

JANS2N2221AUA-Transistor Key Features

• High voltage tolerance: Supports collector-emitter voltages up to 40 V, enabling reliable switching in moderate power circuits.
• Robust collector current capacity: Handles continuous currents up to 600 mA, suitable for driving loads with moderate current requirements.
• Hermetic TO-18 package: Provides excellent environmental protection and thermal dissipation for use in harsh or high-reliability applications.
• Wide operating temperature range: Functional from -55??C to +200??C, ensuring stable operation in extreme temperature environments.
• Consistent gain performance: Offers stable DC current gain across varying conditions for predictable amplification.
• High transition frequency: Enables effective high-frequency switching and amplification up to 300 MHz.
• Military-grade reliability: Designed to meet rigorous standards for aerospace and defense electronics.

Typical Applications

• Signal amplification in industrial control systems where reliable low-noise gain is essential for sensor interfacing and analog circuit design.
• Switching components in aerospace electronics, benefiting from the hermetic package??s resistance to environmental stress.
• Driver transistor in relay control circuits requiring moderate current capacity and stable switching performance.
• General-purpose low-power switching in instrumentation and measurement devices with temperature extremes.

JANS2N2221AUA-Transistor Advantages vs Typical Alternatives

This transistor stands out by combining a hermetic TO-18 metal can package with a wide operating temperature range, which typical plastic-encapsulated alternatives lack. Its ability to maintain consistent gain and reliable switching up to 600 mA current and 40 V voltage makes it ideal for applications demanding high environmental resilience and stable electrical characteristics. These advantages translate into enhanced durability, superior thermal management, and dependable performance under harsh conditions.

JANS2N2221AUA-Transistor Brand Info

The JANS prefix indicates that this transistor is a military-grade, hermetically sealed variant of the popular 2N2221A transistor, historically produced under strict quality and reliability standards. These devices are commonly manufactured by established semiconductor companies specializing in high-reliability components for defense and aerospace sectors. The metal can TO-18 package and rigorous screening processes ensure compliance with MIL-STD specifications, making this transistor a trusted choice for mission-critical applications.

FAQ

What is the maximum collector current rating for this transistor?

The maximum continuous collector current for this