The KSE181 is an NPN Epitaxial Silicon Transistor manufactured by Fairchild/ON Semiconductor. It is designed for general purpose amplifier and switching applications. This transistor is characterized by its low saturation voltage and high current gain, making it suitable for a wide range of electronic circuits.

Applications:

• General Purpose Amplification
• Switching Circuits
• Driver Stages
• Audio Amplifiers
• Consumer Electronics

Features:

• NPN Epitaxial Silicon Transistor
• High Collector Current (Ic = 0.5A)
• Low Saturation Voltage (VCE(sat))
• High Current Gain (hFE)
• TO-92 Package

Benefits:

• Good amplification performance
• Efficient switching capabilities
• Low power dissipation due to low saturation voltage
• Easy to use in various circuit designs
• Compact size for space-constrained applications

Specifications:

The KSE181 has a collector-emitter voltage (VCEO) of 60V and a collector current (IC) of 0.5A. The DC current gain (hFE) is typically between 100 and 300. The transistor is available in a TO-92 package.

The KSE181's high current gain ensures good signal amplification in various amplifier circuits. Its low saturation voltage minimizes power loss during switching operations, enhancing the efficiency of switching circuits. The TO-92 package allows for easy integration into compact electronic devices.

This transistor is frequently used in audio amplifiers, serving as a pre-amplifier or driver stage to boost the signal level before it is fed to the power amplifier. It is also used in various switching applications, such as in relay drivers and small power supplies. Its versatility and ease of use make it a popular choice among electronics hobbyists and professionals alike.