BC141 Datasheet PDF – 60V, NPN Transistor, TO-39

Part Number: BC141

Function: NPN silicon AF medium power amplifier

Package: TO-39

Manufacturer: Multicomp

Image and Pinouts:

Description

The BC141 is an NPN silicon medium-power transistor designed for audio frequency (AF) amplification and general-purpose switching applications. Housed in a TO-39 metal package, it offers good thermal performance and reliability, making it suitable for linear amplification stages and moderate power switching circuits.

Features

• NPN silicon transistor for medium power applications
• Suitable for AF (audio frequency) amplification
• Capable of switching and linear operation
• Robust TO-39 metal package for improved heat dissipation
• Reliable performance in industrial and consumer circuits

Absolute Maximum Ratings (Ta = 25°C)

Typical Circuit Usage

• Audio amplifier driver stages
• Pre-amplifier and small signal amplification
• General-purpose switching circuits
• Relay or low-power load drivers
• Signal conditioning stages

How to Choose This Part

• Select for medium-power analog amplification up to 1A collector current
• Verify voltage ratings match circuit requirements
• Consider thermal design due to relatively low power dissipation
• Evaluate gain (hFE) requirements depending on application
• Compare with modern plastic-packaged alternatives for cost-sensitive designs

Applications

• Audio frequency amplifiers
• Industrial control circuits
• Signal amplification systems
• General-purpose electronic circuits
• Consumer electronics

Alternative / Equivalent Products

• BC107 / BC108 – Lower power small signal transistors
• BD139 – Higher power NPN transistor
• 2N2219 – TO-39 NPN transistor with similar characteristics
• 2N3053 – Medium power NPN switching transistor
• MPSA06 – General-purpose NPN transistor

BC141 Datasheet PDF Download

Other data sheets are available within the file: BC140, BC140-10, BC140-16, BC140-6