The MJE181 from ON Semiconductor is a high-performance power transistor designed for a wide array of applications requiring medium power. This versatile NPN bipolar transistor is a reliable component for amplification and switching applications, making it suitable for commercial, industrial, and educational environments.

Key Features

• Voltage and Current: The MJE181 boasts a collector-emitter voltage (VCEO) of 80V and a collector current (IC) of up to 4A, providing robust performance for medium power applications.
• Power Dissipation: With a power dissipation of 30W, this transistor can handle a substantial amount of energy without compromising its functionality or longevity.
• High DC Current Gain: Featuring a high DC current gain (hFE), the MJE181 can amplify weak signals efficiently, making it ideal for audio amplifiers and signal processing circuits.
• TO-225 Case: Encased in a TO-225 package, it is designed for easy mounting and optimal thermal performance, ensuring reliable operation under varying conditions.
• Complementary PNP Type: The MJE181 has a complementary PNP type, the MJE171, allowing for push-pull amplifier configurations and other complementary pair applications.

Applications

The MJE181 is used in a variety of applications, such as:

• Linear and switching power supplies
• Power amplifiers
• Relay drivers
• Motor controllers
• Audio amplifiers

Quality and Reliability

ON Semiconductor is known for its commitment to quality, and the MJE181 is no exception. It is manufactured to meet stringent quality standards, ensuring high reliability and performance consistency. The device is also supported by comprehensive technical documentation, making integration and application straightforward for engineers and designers.

Conclusion

The MJE181 power transistor from ON Semiconductor is a strong choice for anyone in need of a robust, medium-power transistor that offers reliability and versatility. Whether it's for audio amplification, motor control, or power management, the MJE181 is engineered to deliver consistent performance and durability.