SRAH-02C500R

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DC DC converters have become integral parts of electrical systems for applications ranging from isolated power supplies to renewable energy optimization and motor speed control. The SRAH-02C500R is one such device.

The SRAH-02C500R is a DC DC converter designed to provide isolated power supply for applications up to 500 watts of power. It is a series-resonant converter with a patented, near-zero voltage switching technology that allows higher efficiency, eliminates the need for large bulky heatsinks, and reduces input EMI noise levels.

The SRAH-02C500R is an all-digital DC DC converter, utilizing a pulse-width modulated signal to reduce power loss. Its primary feature is a near-zero turn-on switching voltage, which significantly reduces the switching loss during start-up and prevents the overload issues caused by over-current. The SRAH-02C500R also features a dual feedback system developed to ensure accurate primary voltage control.

The SRAH-02C500R is designed for ease of installation and operation, with a wide operating frequency range from 150 Hz to 500 KHz. It also has remote monitoring capabilities, allowing it to be connected to an Ethernet port for remote performance adjustment or to view status in real-time. Additionally, the product is encapsulated with a UL94 V-0 rated housing, making the SRAH-02C500R a great solution for long-term installation in hostile environments.

The working principle of the SRAH-02C500R is that of a series-resonant converter. In this design, a primary and secondary transformer are used to change the voltage of the input AC supply to a lower voltage on the primary side and then up to a higher-voltage on the secondary side. The transformer is enabled by an active switch and a resonant inductor and capacitor connected in series with the primary switch to reduce the voltage losses. Since the active switch can be disabled quickly, the high voltage generated in the transformer is then rectified and output to the load.

The primary switch is electronically controlled by a pulse-width modulated signal, which determines the duty cycle of the switch. This allows the converter to regulate the output voltage or current and ensure the most efficient operation. Due to its near-zero voltage switching technology, the SRAH-02C500R is capable of achieving a high conversion efficiency of greater than 95%, reducing input EMI noise, and eliminating the need for large heatsinks.

Overall, the SRAH-02C500R is a versatile and efficient DC DC converter designed for applications up to 500 watts. It is an all-digital product with a near-zero voltage switching technology, which allows for high efficiency while reducing input EMI noise levels and eliminating the need for large bulky heatsinks. It is designed for ease of installation and operation, with wide operating frequency range and remote monitoring capabilities. Because of these features, the SRAH-02C500R makes an excellent choice for many DC DC converter applications.

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