2N4237-Transistor by ON Semiconductor – NPN Amplifier Transistor, TO-18 Package

2N4237-Transistor Overview

The 2N4237 transistor is a high-voltage NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. It offers reliable performance with a collector-emitter voltage rating of up to 80V and a collector current capacity of 150mA, making it suitable for medium-power circuits. Its high gain-bandwidth product and low noise characteristics facilitate efficient signal amplification, especially in audio and RF circuits. This transistor is widely used in industrial, commercial, and consumer electronics, where precision and durability are essential. For sourcing and technical support, visit IC Manufacturer.

2N4237-Transistor Key Features

• High Voltage Handling: Supports up to 80V collector-emitter voltage, enabling use in circuits requiring robust voltage tolerance.
• Moderate Current Capacity: Handles collector current up to 150mA, suited for medium-power amplification and switching tasks.
• High Gain Bandwidth Product: Ensures efficient amplification and frequency response, beneficial for audio and RF applications.
• Low Noise Performance: Enhances signal clarity in sensitive analog circuits, improving overall system accuracy and quality.

2N4237-Transistor Technical Specifications

2N4237-Transistor Advantages vs Typical Alternatives

This transistor offers a compelling combination of high voltage tolerance and moderate current handling, outperforming many standard small-signal transistors that typically support lower voltage ratings. Its wide gain range and high transition frequency make it ideal for applications demanding precise amplification and switching. Compared to alternatives, the 2N4237 provides enhanced reliability and noise performance, critical for sensitive industrial and communication equipment.

Typical Applications

• Audio Amplification Circuits: Utilized for low-noise, high-gain amplification in audio preamplifiers and signal conditioning stages, ensuring clear sound reproduction.
• Switching Circuits: Employed in low to medium power switching applications where voltage and current handling are essential.
• RF Amplifiers: Supports moderate-frequency amplification tasks in radio frequency front-end stages.
• Industrial Control: Suitable for signal amplification and switching in control systems requiring robust voltage margins and durability.

2N4237-Transistor Brand Info

The 2N4237 transistor is a well-established component manufactured to meet stringent quality standards for industrial and commercial electronics. This device is typically offered in a TO-18 metal can package, ensuring excellent thermal performance and mechanical robustness. It is favored by engineers for its consistent electrical characteristics and wide availability through authorized distributors. The transistor??s design and production adhere to industry norms, making it a dependable choice for diverse electronic designs.

FAQ

What is the maximum collector current rating for this transistor?

The maximum collector current for this transistor is 150mA. This rating defines the highest continuous current the device can safely handle without damage, making it suitable for medium-power applications.

What package type does the 2N4237 come in?

This transistor is commonly supplied in a TO-18 metal can package, which provides excellent thermal conductivity and mechanical durability, important for reliable operation in industrial environments.

Can this transistor be used for RF amplification?

Yes, with a transition frequency of approximately 50MHz, it is suitable for moderate-frequency RF amplifier stages, offering good gain and low noise performance in radio and communication circuits.

What voltage ratings are important to consider when using this device?

Key voltage ratings include the collector-emitter voltage (80V), collector-base voltage (100V), and emitter-base voltage (5V). These parameters define the maximum voltages the transistor can withstand safely in different configurations.

Is the 2N4237 suitable for switching applications?

Absolutely. Its voltage and current ratings, combined with moderate power dissipation capability, make it an effective transistor for switching in low to medium power electronic circuits, including industrial control systems.