2N497-Transistor NPN Small Signal Amplifier Transistor in TO-18 Metal Can Package

2N497-Transistor Overview

The 2N497 transistor is a silicon NPN epitaxial planar transistor designed for medium-power amplification and switching applications. It offers reliable performance with a maximum collector current of 800mA and a collector-emitter voltage rating of 40V, making it suitable for a broad range of industrial electronics circuits. Its robust design supports continuous operation under moderate power dissipation up to 1.25W, ensuring stable amplification in demanding environments. The transistor??s moderate gain and frequency response make it a versatile choice for analog signal processing and driver stages. For additional technical resources and procurement, visit IC Manufacturer.

2N497-Transistor Technical Specifications

2N497-Transistor Key Features

• High current capability: Supports collector currents up to 800mA, enabling efficient medium-power amplification in industrial circuits.
• Robust voltage ratings: Withstand collector-emitter voltages up to 40V, providing versatility in various power supply configurations.
• Stable gain performance: Offers a broad gain range (70?C240), ensuring consistent analog signal amplification across operating conditions.
• Frequency response: Typical transition frequency around 100MHz supports moderate-speed switching and RF applications.

Typical Applications

• Medium-power audio amplifier stages requiring reliable linear amplification with low distortion and stable gain characteristics.
• Switching circuits in industrial control systems where moderate voltage and current handling are essential.
• Driver transistors for relays and solenoids that demand moderate current drive capability and fast switching.
• General-purpose amplification in analog signal processing circuits including preamplifiers and buffer stages.

2N497-Transistor Advantages vs Typical Alternatives

This transistor provides a balanced combination of collector current capacity, voltage handling, and gain stability, making it advantageous over typical low-power transistors in medium-power applications. Its epitaxial planar construction ensures enhanced reliability and consistent performance, which translates to longer operational life and less variation in critical parameters. Compared to alternatives with lower frequency capability or power dissipation, this device supports more demanding switching and amplification tasks efficiently.

2N497-Transistor Brand Info

The 2N497 transistor is a standardized device originally introduced in the 1960s, widely manufactured and supplied by multiple semiconductor producers globally. It is recognized as a general-purpose NPN transistor in the JEDEC registry, ensuring broad compatibility and availability. Many leading semiconductor manufacturers offer the 2N497 or equivalent versions, ensuring consistent quality and support for industrial sourcing. This transistor remains a reliable choice for engineers requiring a robust, well-characterized discrete transistor for analog and switching applications.

FAQ

What is the maximum collector current for the 2N497 transistor?

The maximum collector current rating is 800mA, allowing it to handle medium-power loads safely in amplification or switching circuits without risk of damage.

Can the 2N497 be used in high-frequency switching applications?

Yes, its typical transition frequency of around 100MHz enables moderate-speed switching, making it suitable for some RF and pulse applications, though it is not intended for very high-frequency designs.

What package type is typically used for this transistor?

The 2N497 is commonly available in the TO-18 metal can package, which provides good thermal dissipation and mechanical durability in industrial environments.