SFJEL3K00221MC0

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Feed Through (FT) Capacitors are an important component of electronic systems. They are used in various applications to isolate and regulate electrical signals. In the following article, we will discuss the SFJEL3K00221MC0 and its application field as well as its working principle.

The SFJEL3K00221MC0 is a medium voltage feed through capacitor designed for use in high power applications. It is designed specifically for use in power distribution systems, including substations and transformer circuits, where high surge levels and rapid transients are expected.

The SFJEL3K00221MC0 is a shielded feed through capacitor with a maximum capaсitance of 0.221uF. It has an applied voltage rating of 2000Vrms and is rated for continuous operating temperature of 105℃. The SFJEL3K00221MC0 uses a patented self-healing, non-metallicized polypropylene dielectric to protect the capacitor from overvoltage and current damaging events.

The SFJEL3K00221MC0 is mainly used as a voltage regulator and filter in HVAC systems. It is able to filter out common mode noise, reduce the load on a motor, reduce ripple voltage, and protect against expensive voltage spikes. It can also be used to reduce current harmonics and improve power factor. The SFJEL3K00221MC0 operates under a wide temperature range, and its low inductance design ensures low low-frequency impedance and loss.

The working principle of the SFJEL3K00221MC0 is fairly simple, relying on the relationship between capacitance and current. In basic terms, the capacitor acts as a short circuit for AC current while blocking DC current altogether. As long as the applied voltage is within the tolerance of the capacitor, the current will flow freely in both directions across the capacitor electrodes. This allows voltage regulation and filtering of the AC current.

The SFJEL3K00221MC0 can also be used to protect against voltage spikes and other transients. The capacitor can absorb high frequency energy and reduce the magnitude of the voltage spike. In addition, it can reduce the overall voltage ripple, allowing for smoother operation of motors and other sensitive equipment.

In summary, the SFJEL3K00221MC0 feed through capacitor is a versatile and reliable device used in many different applications. It is capable of reducing voltage spikes, providing smooth current regulation and filtering out noise, all while operating reliably under a wide range of temperatures. Its low inductance design ensures low impedance and loss, making it an excellent choice for high power applications.

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