The MJE340 is a high voltage, general-purpose NPN transistor from the renowned semiconductor manufacturer, STMicroelectronics. This versatile component is designed to cater to a wide array of applications, particularly excelling in high voltage scenarios. With its robust construction and reliable performance, the MJE340 is a go-to choice for professionals and hobbyists alike in the electronics domain.

Key Features

• Voltage Capabilities: It boasts a collector-emitter voltage (V_CEO) of up to 300V, providing ample headroom for high voltage circuit designs.
• Current Handling: The device can handle continuous collector currents up to 500 mA, making it suitable for moderate power applications.
• Power Dissipation: With a power dissipation of 20W, the MJE340 can manage a significant amount of energy without overheating.
• Transition Frequency: It features a transition frequency (f_T) of 20 MHz, allowing for usage in high-frequency stages of electronic circuits.

Applications

The MJE340's high voltage capability and power handling make it an excellent choice for a variety of applications including:

• Power supply circuits
• Driver stages in hi-fi amplifiers and television circuits
• Switching regulators and converters
• Motor control circuits

Package and Quality

Packaged in a standard TO-225 case, the MJE340 is not only robust but also easy to install in a wide range of equipment. STMicroelectronics ensures high-quality manufacturing standards, meaning that each transistor is built to deliver consistent and reliable performance. The product is also supported by comprehensive technical documentation, making integration into your projects straightforward and efficient.

Conclusion

Whether you're designing an intricate power management system or looking for a reliable component for your amplifier, the MJE340 from STMicroelectronics is a solid choice that combines high voltage operation, power handling, and frequency response to meet your needs. Its standard packaging and the backing of STMicroelectronics' reputation for quality make it an essential part of any electronics toolkit.