RN242-4-02-3M3

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Common mode chokes have been used for decades as a valuable protection against high frequency noise. The RN242-4-02-3M3 is an example of such a device. It has been designed as an inductor with a number of windings on a ferrite core, designed to effectively reduce common mode interference on signals.

This type of choke is typically used for DC and AC power line EMC filtering in the frequency range from DC to 1GHz. It is also used to minimize common mode noise in signal and control lines for data and telecommunications services, as well as in control system applications. This type of device is especially useful in high-voltage and high-current applications, where common-mode interference is more difficult to mitigate.

The working principle of the RN242-4-02-3M3 is based on the theory of inductive reactance. As current passes through the inductor, a voltage drop is induced across it. This voltage drop is inversely proportional to the current passing through the inductor.

At DC, the current is constant, and there is no voltage drop, so the inductor does not affect the current. At high frequencies, however, the current quickly fluctuates and the voltage drop induced across the inductor increases. This voltage drop acts as a filter, and reduces the amplitude of the desired signal while blocking the high-frequency noise. This filtering action is the basis of the choke’s performance.

The RN242-4-02-3M3 is designed to provide an effective filter for AC and DC power supplies, as well as signal lines. Its high-voltage and high-current capacities make it suitable for use in a variety of applications, including switching power supplies, computer and instrumentation system power, Telecom systems, and other control systems. It is also useful for EMC protection in electronic equipment.

In addition, the RN242-4-02-3M3 is designed with two different leads, each with different windings, which allows for higher voltage and current filtering. The leads are also designed for a wide range of temperatures, making it suitable for use in various environments.

The RN242-4-02-3M3 is a reliable and effective Common Mode Choke, providing high performance filtering for both AC and DC power lines, as well as signal lines. Its high-voltage and high-current capacity as well as excellent temperature ratings make it suitable for a variety of applications, making it an ideal choice for EMC protection.

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