JANSP2N2221A-Transistor NPN General Purpose Amplifier | TO-18 Metal Can Package

JANSP2N2221A-Transistor Overview

The JANSP2N2221A is a reliable NPN bipolar junction transistor (BJT) engineered for general-purpose switching and amplification in industrial and commercial electronic circuits. It features robust electrical characteristics suitable for medium power applications, delivering dependable performance in signal processing and control functions. With a maximum collector current of 800 mA and a voltage rating of 40 V, this transistor provides efficient current amplification while maintaining stable operation across a broad temperature range. The device??s complementary compatibility and ease of integration make it a preferred choice for engineers and sourcing specialists looking for a durable and versatile transistor solution. For more detailed information, visit IC Manufacturer.

JANSP2N2221A-Transistor Technical Specifications

JANSP2N2221A-Transistor Key Features

• High current handling capability: Supports up to 800 mA collector current, enabling efficient switching of moderate power loads.
• Wide voltage tolerance: With a collector-emitter voltage rating of 40 V, it accommodates various industrial voltage levels safely.
• Stable gain across temperature: Maintains a consistent current gain from -55??C to +150??C, ensuring reliable performance in harsh environments.
• High transition frequency: Operates effectively at frequencies up to 100 MHz, suitable for high-speed signal amplification and switching.

Typical Applications

• Signal Amplification: Ideal for amplifying analog signals in industrial control systems and audio applications due to its linear gain characteristics.
• Switching Circuits: Commonly used for driving relays, lamps, and other loads requiring moderate current switching.
• Oscillator Circuits: Suitable for use in oscillator designs where high-frequency switching is necessary.
• General-Purpose Electronics: Employed in test equipment, communication devices, and consumer electronics requiring stable, low-noise transistor performance.

JANSP2N2221A-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of voltage rating, current capacity, and gain that often exceeds typical alternatives in the same class. Its robust construction ensures long-term reliability under demanding thermal conditions. The high transition frequency and stable gain make it more versatile for various switching and amplification tasks, while the TO-18 metal can package enhances heat dissipation compared to plastic alternatives, promoting better operational stability and lifespan.

JANSP2N2221A-Transistor Brand Info

The JANSP2N2221A is a military-grade variant of the popular 2N2221 transistor, originally standardized by JEDEC and widely manufactured by numerous IC manufacturers. The “JAN” prefix denotes compliance with Joint Army-Navy specifications, ensuring enhanced reliability and performance under rigorous conditions. This makes it particularly suitable for aerospace, defense, and industrial applications where durability and strict quality control are paramount. The device is typically sourced from reputable semiconductor vendors specializing in high-reliability discrete components.

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