SC-02-100

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Common Mode Chokes provide a desirable electromagnetic interference (EMI) suppression capability for power lines and signal lines. They are often used in power supplies, inverter drives, motor control systems and frequency converters. Common mode chokes generally utilize an inductive element, such as a toroid or a ferrite core, to form the EMI filter element. In this article, we will discuss the application field and working principle of one particular common mode choke, the SC-02-100.

The SC-02-100 is a common mode choke designed to reduce EMI from DC and AC power lines. It is designed for use in a range of industrial and consumer applications, including AC/DC switching power supplies, linear power supplies, frequency converter drives, and motor control systems. The SC-02-100 has a wide operating temperature range of between -40 and +125°C, and is available in a range of inductance values from 2 to 200uH. It also features a high power energy rating of up to 10W, an insulation voltage of 1500VAC, and a maximum leakage flux of 40mWb.

The SC-02-100 has a simple, yet effective, working principle. It uses an inductive element, such as a ferrite core, to filter electromagnetic noise. The inductive element is coupled to the power line or signal line, and the inductance of the element is adjusted to obtain the desired EMI suppression level. Because the inductive element works at the frequency of the noise, it will effectively reduce the noise without reducing the power or signal line performance.

In addition to the inductive element, the SC-02-100 also has two capacitors included in the package. The capacitor is used to balance the common-mode noise in the line and thus prevent it from circulating in the system. The capacitors also reduce the voltage peak ripple in the power line, thus reducing electromagnetic interference.

The SC-02-100 is an effective and efficient common mode choke for reducing EMI from power and signal lines. It features a wide operating temperature range, high power energy rating, and excellent EMI suppression capabilities. With the capacitors in place, it will also help to reduce voltage peak ripples and thus improve the performance of the power and signal lines.

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