30CPQ135

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Rectifier diodes, also known as power diodes, are amongst the most common devices used to convert alternating current (AC) to direct current (DC). The 30CPQ135 is a three-phase soft-switching rectifier developed by Transil Technology and designed for switch-mode power supplies that are used in power converters, power management, and digital power systems. In this article, the application field and working principle of the 30CPQ135 will be discussed.

Application Field

The 30CPQ135 rectifier diode is a high-temperature, high-efficiency device used to convert AC to DC. It is suitable for a variety of applications, such as switching power supplies, in-rush current limiting, power rectification, power conversion and management, and other DC/DC power supply applications. The rectifier offers low losses and improved power factor, making it suitable for applications where high efficiency and power density are required.

The 30CPQ135 is designed for use in high power applications, such as motor control, industrial equipment, and telecommunications. It is also suitable for automotive applications and can be used in electric vehicles. The device is available in a variety of packages and is RoHS compliant.

Working Principle

The 30CPQ135 rectifier diode is a three-phase soft-switching rectifier with integrated ultra-low EMI (electromagnetic interference) features. It is based on the High Frequency Soft Switching (HFSSE) technology developed by Transil Technology. The 30CPQ135 utilizes a tunnel diode as the main component, and its working principle is based on the fact that a tunnel diode is a semiconductor with two different levels of resistance. When the electric current passes through the tunnel diode, it will experience two different kinds of resistance, depending on the electric potential applied.

When the electric potential is greater than a certain level (known as the on-state voltage), the tunnel diode exhibits a high level of resistance and therefore acts as a closed switch. When the applied potential is lower than the on-state voltage, the tunnel diode acts as an open switch, and the electric current passes through it. The 30CPQ135 rectifier diode is designed to take advantage of this property and convert AC to DC.

The 30CPQ135 rectifier diode also has an integrated active-clamp feature. This feature helps to reduce the operating voltage swing of the power supply, and thus improves its efficiency. The 30CPQ135 rectifier also has an integrated active snubber circuit, which helps to reduce the circuit losses and decrease switching losses. Additionally, the device is designed to be equipped with additional features, such as integrated inrush current limiting and transient protection.

Conclusion

The 30CPQ135 rectifier diode is a three-phase soft-switching rectifier with integrated ultra-low EMI (electromagnetic interference) features that are designed for switch-mode power supplies. It is suitable for a variety of applications, such as switching power supplies, in-rush current limiting, power rectification, power conversion and management, and other DC/DC power supply applications. The 30CPQ135 utilizes a tunnel diode as the main component, and its working principle is based on the fact that a tunnel diode is a semiconductor with two different levels of resistance. The device is also equipped with additional features, such as integrated inrush current limiting and transient protection, which help to improve its efficiency. This makes the 30CPQ135 a reliable and efficient device for converting AC to DC.

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