2N5661-Transistor by ON Semiconductor – NPN Transistor, TO-18 Metal Can Package

2N5661-Transistor Overview

The 2N5661 is a silicon NPN bipolar junction transistor designed for general-purpose amplification and switching applications. It offers a high voltage rating of up to 100V collector-emitter, making it suitable for medium-power circuits. This transistor features a maximum collector current of 1A and a power dissipation capability of 30W, enabling reliable operation under demanding conditions. Its complementary low-noise and high gain characteristics ensure efficient signal amplification. Engineers and sourcing specialists will find the 2N5661 ideal for industrial control, audio amplification, and power regulation tasks. For detailed technical information, visit the IC Manufacturer website.

2N5661-Transistor Key Features

• High voltage tolerance: With a collector-emitter voltage rating of 100V, it supports robust operation in high-voltage switching circuits.
• Moderate current handling: Supports collector currents up to 1A, allowing it to drive medium-power loads efficiently.
• Power dissipation: Rated at 30W, enabling stable performance in thermally challenging environments.
• Low noise figure: Ensures minimal signal distortion, ideal for amplification in sensitive analog circuits.

2N5661-Transistor Technical Specifications

2N5661-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of high voltage tolerance and moderate current capability, outperforming many general-purpose transistors in industrial settings. Its power dissipation rating enables reliable thermal management, while the low noise and high gain ensure precise signal amplification. Compared to typical alternatives, the device provides enhanced durability and efficiency, making it a preferred choice for engineers seeking robustness and accuracy in medium-power switching and amplification circuits.

Typical Applications

• Industrial control systems where high voltage switching and reliable current handling are required for actuator or relay driving.
• Audio amplifier stages benefiting from low noise and high gain characteristics for clear signal reproduction.
• Power supply regulation circuits that demand stable transistor operation at elevated voltages and currents.
• General-purpose switching applications in automation and instrumentation requiring reliable medium-power transistor solutions.

2N5661-Transistor Brand Info

The 2N5661 transistor is a well-established semiconductor device widely recognized for its durability and performance in industrial electronics. Manufactured by reputable suppliers in the semiconductor industry, this transistor is packaged in a TO-39 metal can for superior thermal conduction and mechanical protection. Its long-standing presence in the market reflects consistent quality and availability, making it a dependable component for engineers and sourcing specialists working on diverse medium-power electronic designs.

FAQ

What is the maximum collector-emitter voltage rating of this transistor?

The transistor has a maximum collector-emitter voltage (V_CEO) rating of 100 volts, allowing it to handle relatively high voltage levels safely in switching and amplification circuits.

Can this transistor handle continuous high current loads?

Yes, it supports a maximum continuous collector current of 1 ampere. However, proper heat sinking is essential to maintain reliable operation at higher currents, considering its power dissipation limits.

What package type does this transistor use and why is it important?

This device is housed in a TO-39 metal can package, which provides excellent thermal conductivity and mechanical stability, crucial for maintaining performance and longevity in industrial environments.

Is this transistor suitable for high-frequency applications?

With a typical transition frequency of around 70 MHz, it can be used in moderate frequency amplifier circuits, though it is not optimized for very high-frequency RF applications.

What are the benefits of using this transistor in audio amplification circuits?

The low noise and high current gain characteristics make it well-suited for audio amplification, enabling clear signal output with minimal distortion and efficient power handling in audio stages.