MSCD70-18 Application Field and Working Principle

The MSCD70-18 series, classified as Diodes - Rectifiers - Arrays, are power rectifier units manufactured by ON Semiconductor. They act as general-purpose rectifier diodes in various voltage regulator, power supply, and power line applications. The MSCD70-18 series are part of the On Semiconductor family of Silicon Carbide (SiC) Schottky diodes which deliver higher power efficiency, improved thermal management, and a greater resistance to thermal aging.

Features

• Low forward voltage drop and soft-recovery characteristics
• Very low leakage current
• High temperature operation
• High power dissipation capability
• High surge capability

Applications

The MSCD70-18 series can be used in a number of different applications requiring a rectifier diode. Due to its high power dissipation capability, it is ideally suited for use in power supplies and power line applications, such as the evaluation, protection, and control of motors, power distribution systems, and other rectifier units. It can also be used in voltage regulator and temperature control applications.

Working Principle

A rectifier diode is an electronic component that has two electrodes and permits the flow of current in only one direction. As electrons flow into the diode, they are absorbed by its semiconductor material, and can no longer exit. This creates a barrier to electrons moving in the opposite direction, or reverse current flow, preventing it from happening. In the MSCD70-18 series, this is accomplished by adding additional layers of silicon carbide to the diode’s structure, creating a barrier to prevent electrons from flowing backwards. This prevents the unit from wasting power and works as an efficient rectifier.

Conclusion

The MSCD70-18 series, identified as Diodes - Rectifiers - Arrays, are highly efficient rectifier diodes used in a variety of power supply and power line applications. Their main advantage over traditional rectifier diodes is the addition of extra layers of silicon carbide to their structure, preventing electrons from flowing in the opposite (reverse) direction and resulting in more energy efficient performance.