JAN2N2221A-Transistor NPN Bipolar Junction Transistor TO-18 Metal Can Package by JAN

JAN2N2221A-Transistor Overview

The JAN2N2221A transistor is a high-performance NPN bipolar junction transistor designed for general-purpose amplification and switching applications. Known for its robust electrical characteristics, this device offers reliable operation with a maximum collector current rating of 800 mA and a collector-emitter voltage of up to 40 V. Its rugged design supports high-speed switching and linear amplification, making it suitable for industrial control circuits and signal processing. Engineered to meet military-grade standards with JAN (Joint Army-Navy) quality certification, it ensures dependable performance in demanding environments. Available through IC Manufacturer, this transistor is an excellent choice for engineers and sourcing specialists seeking a proven, versatile semiconductor component.

JAN2N2221A-Transistor Technical Specifications

JAN2N2221A-Transistor Key Features

• High Collector Current Capability: Supports up to 800 mA collector current, enabling efficient switching and amplification in medium-power circuits.
• Wide Voltage Ratings: With collector-emitter voltage up to 40 V and collector-base voltage up to 75 V, it is suitable for a broad range of industrial signal and power applications.
• Fast Switching Speed: Transition frequency of 250 MHz ensures low switching losses, improving overall system efficiency and response time.
• Robust Thermal Performance: Power dissipation capability of 625 mW and extended operating temperature range (-55??C to +150??C) allow operation under harsh environmental conditions.

Typical Applications

• Signal Amplification: Ideal for low to medium power audio and RF amplifier stages in communication and instrumentation systems.
• Switching Circuits: Used in relay drivers, lamp drivers, and other switching applications requiring reliable current control.
• Industrial Control Systems: Suitable for interfacing sensors and actuators in automation systems due to its rugged design and electrical ratings.
• General Purpose Switching: Employed in various electronic assemblies for switching loads and interfacing microcontrollers with higher power devices.

JAN2N2221A-Transistor Advantages vs Typical Alternatives

This transistor offers a combination of high current handling and voltage ratings that exceed many common small-signal transistors. Its fast transition frequency and military-grade JAN certification deliver superior reliability and consistent performance. Compared to typical alternatives, it provides better thermal stability and robust switching capabilities, making it a preferred choice for demanding industrial and military applications where precision and durability are paramount.

JAN2N2221A-Transistor Brand Info

The JAN2N2221A transistor is a military-grade variant of the widely used 2N2221 transistor, originally standardized and manufactured under strict quality controls by various reputable semiconductor brands. The JAN prefix indicates compliance with Joint Army-Navy specifications, ensuring enhanced reliability and performance in harsh environments. This transistor is commonly supplied by manufacturers specializing in defense and aerospace components, ensuring traceability and ruggedness. Its broad acceptance in industrial and military applications underscores its trusted brand pedigree and proven track record.

FAQ

What is the maximum collector current rating for this transistor?

The maximum collector current for this device is 800 mA, allowing it to handle moderate power loads typical in switching and amplification applications.

Can the transistor operate in high-temperature environments?

Yes, it supports an operating temperature range from -55??C to +150??C, making it suitable for use in extreme environmental conditions commonly found in industrial and