MUR140RLG

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MUR140RLG Application Field and Working Principle

Diodes - Rectifiers - Single play a vital role in many applications for suppressing power line disturbances, providing efficient electrical energy conversions, and helping to regulate voltage levels. The MUR140RLG rectifier diode is one such device well-suited to many commercial and industrial applications that require efficient and reliable power control.

MUR140RLG Applications

The MUR140RLG rectifier offers a 145V PIV rating and a maximum peak non-repetitive surge current of 72A. Combined with its low-leakage current and fast recovery time, the MUR140RLG rectifier is an ideal solution for many commercial and industrial applications. Specifically, this device can be used in a wide range of electronic systems including:

• Capacitor-Input Low-Voltage DC-DC Converters
• DC-Link Capacitors in AC-Inverter Systems
• High Voltage-Sensitivity Circuits
• Soft-Switching or Resonance-Switching Circuits
• General Rectification in AC-to-DC Conversion Circuits

MUR140RLG Working Principle

The main function of a single rectifier diode is to convert an AC (alternating current) supply into a DC (direct current) output. This is achieved by allowing electricity to flow in one direction only. Specifically, the MUR140RLG rectifier diode employs a unique reverse recovery charge control structure, allowing the negative reverse recovery charge (Qrr) to be maintained at a very low level, despite the high blocking voltage. This enables a reduction in power losses and improved efficiency compared to traditional silicon rectifiers.

The MUR140RLG has a low leakage current and fast recovery time, making it particularly useful for high voltage-sensitivity circuits. This device also offers a low forward voltage drop, making it effective for use in capacitor-input low-voltage DC-DC converters or in AC-inverter systems.

Furthermore, the MUR140RLG rectifier diode has a temperature cycling capability that allows it to operate more efficiently at higher temperatures. This means that it is well-suited for use in applications that require high levels of power control, such as motor drives, automation equipment, and high frequency switching systems.

Conclusion

The MUR140RLG rectifier diode is well-suited for a wide range of applications, offering excellent power control for high voltage-sensitivity circuits and capacitor-input low-voltage DC-DC converters. In addition, its low leakage current and fast recovery time make it an ideal choice for applications that require high levels of energy efficiency. With its temperature cycling capability, the MUR140RLG is a highly versatile device, able to help regulate voltage levels and provide efficient control for a variety of systems and applications.

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