JANSG2N2221A-Transistor NPN Bipolar Junction Transistor in TO-18 Metal Can Package

JANSG2N2221A-Transistor Overview

The JANSG2N2221A transistor is a reliable NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Featuring a maximum collector current of 800mA and a collector-emitter voltage rating of 40V, it supports robust performance in low to medium power circuits. Its high current gain (hFE) ensures efficient signal amplification, while the TO-18 metal can package provides excellent thermal stability and durability. Engineers and sourcing specialists will find this transistor suitable for a wide range of industrial and consumer electronics applications requiring consistent switching and amplification performance. For detailed manufacturer information, visit IC Manufacturer.

JANSG2N2221A-Transistor Technical Specifications

JANSG2N2221A-Transistor Key Features

• High current capacity: Handles up to 800mA, enabling robust switching in medium-power circuits.
• Wide voltage rating: Supports collector-emitter voltages up to 40V, suitable for diverse signal amplification tasks.
• Excellent gain characteristics: Provides a current gain range of 100 to 300, ensuring efficient amplification with minimal distortion.
• Thermally stable TO-18 package: Metal can design enhances heat dissipation and mechanical reliability in demanding environments.

Typical Applications

• Signal amplification in audio and low-frequency analog circuits, delivering clear gain with low distortion.
• Switching applications in power control and relay drivers requiring moderate current handling capability.
• General-purpose transistor use in industrial control systems, sensors, and instrumentation.
• Low-noise amplifier stages where thermal stability and gain consistency are critical.

JANSG2N2221A-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of high current capacity and voltage rating, making it advantageous over typical low-power alternatives. Its robust TO-18 packaging improves thermal performance and reliability, which is essential for long-term industrial use. The high gain range supports versatile amplification needs, reducing the need for additional gain stages. Overall, it provides a durable, efficient solution for switching and amplification where precision and stability are required.

JANSG2N2221A-Transistor Brand Info

The JANSG2N2221A transistor is a military-grade variant of the well-known 2N2221 series, originally standardized under JEDEC and widely produced by multiple semiconductor manufacturers. This specific part number indicates JANSG as the supplier, which specializes in providing high-reliability electronic components for defense, aerospace, and industrial markets. The transistor conforms to stringent quality and performance standards, ensuring consistent operation under harsh conditions. Its long-standing reputation in the electronics industry makes it a trusted choice for engineers requiring dependable NPN transistors with proven track records.

FAQ

What is the maximum collector current rating for this transistor?

The transistor is rated for a maximum collector current of 800 milliamps (mA). This allows it to be used in circuits requiring moderate current switching and amplification without risk of damage under specified operating conditions.

What package does this transistor come in and why is it important?

This device is housed in a TO-18 metal can package, which provides excellent thermal conductivity and mechanical robustness. The metal can helps dissipate heat efficiently, enhancing the transistor??s reliability and stability during operation.

Can this transistor be used in high-frequency applications?