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U30D20C 200V/30A Ultrafast Rectifiers Schottky Diode

200V/30A/TO-3P Switchmode Dual Ultrafast Power Rectifiers Schottky Diode
  • U30D20C


Applications of Schottky Diodes: Industrial and PC Power Supplies

Schottky Diodes in Industrial and PC Power Supplies


Schottky diodes, also known as Schottky barrier diodes or hot carrier diodes, have gained significant popularity in various electronic applications due to their unique characteristics. This article explores the applications of Schottky diodes in industrial power supplies and PC power supplies, highlighting their advantages and contributions to these sectors.

Industrial Power Supplies:

Industrial power supplies play a crucial role in providing stable and reliable power to a wide range of industrial equipment. Schottky diodes find extensive applications in this sector due to their exceptional features and performance.

1. Rectification:

Schottky diodes are commonly used for rectification purposes in industrial power supplies. Their low forward voltage drop (typically around 0.3 to 0.5 volts) allows for efficient conversion of alternating current (AC) to direct current (DC). This low voltage drop reduces power losses and enhances the overall efficiency of the power supply.

2. High-Frequency Switching:

In industrial power supplies, Schottky diodes are often employed in high-frequency switching circuits. Their fast switching speed and low reverse recovery time make them ideal for applications that require rapid power conversion. This capability enables efficient power management and control, contributing to enhanced system performance.

3. Overvoltage Protection:

Schottky diodes are also utilized as protection devices in industrial power supplies. They can handle high voltage spikes and transient surges, safeguarding sensitive components from potential damage. Their low reverse recovery time ensures quick response to voltage fluctuations, ensuring the stability and reliability of the power supply.

PC Power Supplies:

Schottky diodes have become an integral part of PC power supplies, playing a vital role in meeting the demanding requirements of modern computing systems.

1. Voltage Regulation:

Schottky diodes are employed in PC power supplies to regulate and stabilize the output voltage. Their low forward voltage drop allows for efficient voltage conversion, ensuring that the computer components receive a steady and reliable power supply. This helps prevent voltage fluctuations and protects sensitive electronic devices from potential damage.

2. Switching Power Converters:

PC power supplies often utilize switching power converters to efficiently convert AC power from the wall outlet to the required DC voltage for computer components. Schottky diodes are crucial components in these converters, enabling high-frequency switching and minimizing power losses. This results in improved energy efficiency and reduced heat dissipation, contributing to the overall performance and longevity of the power supply.

3. EMI Filtering:

Electromagnetic interference (EMI) is a common issue in PC power supplies. Schottky diodes are employed in EMI filtering circuits to suppress unwanted high-frequency noise and harmonics. Their fast response time and low capacitance characteristics make them effective in reducing EMI, ensuring optimal performance and reliability of the power supply.

Schottky diodes have found diverse applications in both industrial power supplies and PC power supplies. Their unique characteristics, including low forward voltage drop, fast switching speed, and low reverse recovery time, make them ideal for rectification, high-frequency switching, overvoltage protection, voltage regulation, switching power converters, and EMI filtering. By incorporating Schottky diodes into these systems, engineers can enhance efficiency, reliability, and performance, thus meeting the growing demands of the industrial and PC power supply sectors.


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Phone: +86-13549368780
Tel: +86-0769-21665206
Email: jennie@merryelc.com
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