SP5003-04TTG

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Common Mode Chokes (CMCs) are an important device used to reduce Electromagnetic Interference (EMI) generated in electrical systems. The SP5003-04TTG is an example of a CMC that provides a high level of EMI reduction. This article will provide an overview of the SP5003-04TTG application field and working principle.

The SP5003-04TTG provides very effective common mode EMI suppression for DC assemblies in consumer, automotive, industrial, aerospace, medical, and military applications. The parts are characterized for DC operation up to 200 GHz and are also suitable for use in AC power supply and pulse applications. The choke is constructed with a magnetic core and two sets of windings that are designed to reduce EMI emissions.

The working principles of the SP5003-04TTG are based on Faraday\'s law and Lenz\'s law. Faraday\'s law states that whenever a changing magnetic field is present, an electric field is induced. This electric field is determined by the slope of the magnetic field. Lenz\'s law states that the direction of the induced electric field (and current) is such that it tries to oppose the changing magnetic field.

In a CMC, a common mode current flows in two directions due to the two windings. This common mode current produces a changing magnetic field that creates an induced voltage of opposite polarity. The induced voltages are of equal magnitude and opposite polarity, which cancels out the initial common mode current. Thus, the CMC creates an effective reduction in EMI emissions while maintaining a low insertion loss.

The three layers of the SP5003-04TTG can also be used to tailor the CMC\'s attenuation characteristics. The inner layers are designed to attenuate high frequencies, while the outer layers are designed to attenuate low frequencies. To further tailor the attenuation characteristics, the windings can be adjusted to different turns ratios and the core type can be changed. Additionally, the windings can be cascaded together with multiple CMCs for applications that require a greater level of EMI attenuation.

In conclusion, the SP5003-04TTG CMC is a versatile and effective device for reducing EMI emissions from electrical systems. This article has provided an overview of the application field and working principles of the SP5003-04TTG, which is a powerful tool for reducing EMI.

The specific data is subject to PDF, and the above content is for reference