CM4732V201R-00 Filters

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Common Mode Chokes are electrical components which are used in switching power supplies, dc/dc converters, etc. to reduce common mode interference. CM4732V201R-00 application field is in such equipment. This device can reduce conducted EMI at the source while providing excellent isolation between circuits and components in a system.

The CM4732V201R-00 device is a common mode choke based on ferrite pot core technology. It features high current and low DC resistance capability. It also has a high saturation current capability and broad temperature range (-40°C to 85°C). This device is enclosed in an encapsulated case and has a high dielectric strength rating of at least 7 kV.

The working principle of CM4732V201R-00 choke can be explained as follows. This device is designed with a premium pot core manufactured by TDK Corporation of Japan. It passes a low-level signal without any significant attenuation, while rejecting high level signals. In simple terms, inductor elements configured in a two-wire coil configuration, with both windings connected in series, which has a low DC resistance and a high AC impedance, are used in the device.

The simplified block diagram of CM4732V201R-00 is as follows. To the left of the diagram, the EMI source is connected in series with the choke, and to the right, the EMI target circuit is connected in parallel to the choke. As high voltage EMI propagates through the inductive element, the device blocks it from reaching the target circuit. Thus, by placing the CM4732V201R-00 choke between the EMI source and the target circuit, common mode noise can be efficiently attenuated.

The average common mode impedance of the device is 1200 ohms in the frequency of 10 kHz. This high impedance make the CM4732V201R-00 an ideal candidate for suppressing high frequency conducted EMI. Furthermore, the device provides a high saturation current up to 10 A and an excellent temperature characteristics, which ensures reliable operation and low power loss.

Overall, the CM4732V201R-00 is an ideal choice for applications where high frequency EMI needs to be minimized. With its superior EMI suppression ability, temperature characteristics and high saturation current capability, this device is ideal for applications such as switching power supplies, DC/DC converters, EMI filters, motor drives and other power electronics systems.

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