SSRH7H-M13064

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Common Mode Chokes (CMCs) are essential components for power electronic applications, such as a motor drive system, a switching power supply, a solar inverter, and a power cable. CMCs are used to reduce conducted noise on the power lines without affecting the function of the motor. They also serve to isolate the power and ground lines, which helps to reduce noise interference between them.

The SSRH7H-M13064 from TDK is a high inductance-density EMI Common Mode Choke designed to suppress conducted power-line EMI in motor drives, switching power supplies, solar inverters, and power cables. Its features, along with its general applications, make it an ideal choice for general-purpose applications requiring low conducted emissions.

The SSRH7H-M13064 has a very wide operating temperature range and can operate in temperatures from –55°C to 200°C. It is also RoHS compliant. This makes it ideal for space constrained power circuits and suitable for use in most applications. With its high saturation current ratings, it is capable of handling high inrush currents.

The SSRH7H-M13064 has a unique and reliable construction. It has an epoxy molded case and a flat band configuration with pre-formed solder terminals for enhanced electrical performance and thermal stability. This improves its ability to reject high frequency common mode noises and reduce the emissions. It also has a higher suppression capacity, allowing it to be used for high power applications.

The working principle of the SSRH7H-M13064 is simple and effective. It works by absorbing EMI noise from the conducted power-line while blocking unwanted signals. The winding arrangement of the choke core allows for a controlled electromagnetic field that effectively absorbs conducted EMI, providing better EMI reduction than traditional common mode chokes. The choke design also increases the inductance values, allowing them to absorb more EMI than standard chokes.

In conclusion, the SSRH7H-M13064 is a general-purpose CMC that offers high inductance-density and low emissions. It is designed to suppress conducted power-line EMI in motor drives, switching power supplies, solar inverters, and cables. With its wide operating temperature range and epoxy molded case, the SSRH7H-M13064 is an ideal choice for applications requiring low conducted emissions.

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