2N5154-Transistor NPN Amplifier Transistor in TO-18 Metal Can Package by ON Semiconductor

2N5154-Transistor Overview

The 2N5154 is a silicon NPN bipolar junction transistor designed for medium-power amplification and switching applications. Featuring a robust collector current rating and moderate gain, this transistor is well-suited for use in audio amplifiers, driver stages, and general-purpose switching circuits. Its complementary PNP counterpart, the 2N5155, often pairs with it for push-pull configurations. The device operates efficiently within a voltage range that supports reliable performance in industrial and commercial electronics. Sourced from a reputable IC Manufacturer, the 2N5154 offers engineers a reliable solution for various analog and switching tasks where moderate power handling and good frequency response are required.

2N5154-Transistor Technical Specifications

2N5154-Transistor Key Features

• Medium power rating: Supports collector currents up to 600 mA, enabling use in moderate power amplifier and switching circuits.
• Wide voltage tolerances: Collector-emitter voltage up to 50 V allows operation in many industrial electronic designs requiring reliable voltage handling.
• High current gain range: Provides flexibility with gain (h_FE) between 40 and 300, suitable for various amplification needs.
• Good frequency response: Transition frequency around 80 MHz ensures the transistor performs well in audio and low RF frequency applications.

Typical Applications

• Audio amplifier driver stages where moderate power and frequency response are needed to maintain sound fidelity and signal integrity.
• Switching circuits in industrial control systems requiring reliable transistor switching performance at voltages up to 50 V.
• Complementary push-pull amplifier configurations paired with PNP counterparts for balanced amplification in audio and signal processing.
• General-purpose amplification in analog signal circuits, benefiting from the device’s moderate gain and power dissipation capabilities.

2N5154-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of moderate power handling and high gain, making it advantageous over low-power alternatives that cannot support 600 mA collector current. Its voltage ratings and frequency response provide improved reliability and performance in industrial audio and switching applications compared to basic small-signal transistors. The TO-18 package enhances thermal dissipation, contributing to longer operational life and stable functionality in demanding environments.

2N5154-Transistor Brand Info

The 2N5154 transistor is a classic bipolar junction transistor originally developed and popularized by manufacturers such as Fairchild Semiconductor and Texas Instruments. It is now widely produced by multiple semiconductor vendors worldwide, ensuring broad availability and consistent quality. Known for its robustness and versatility, this transistor remains a staple in industrial and commercial electronics, trusted by engineers for dependable performance in amplification and switching roles.

FAQ

What is the maximum collector current rating for this transistor?

The device supports a maximum collector current of 600 mA, making it suitable for medium-power applications such as audio drivers and switching circuits within this current limit.

Can this transistor be used in high-frequency applications?

With a typical transition frequency of approximately 80 MHz, the transistor is capable of handling audio frequencies and some low radio frequency applications but is not designed for very high-frequency RF circuits.

What package type does this transistor come in?

The transistor is housed in a TO-18 metal can package, which offers reliable