CIC21J121NE

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Ferrite beads and chips are among the most popular components in modern circuit designs. The CIC21J121NE Ferrite bead is an example of this. This component is used for RF protection and EMI radiation suppression in a variety of applications. This article will look at the CIC21J121NE’s application field and working principle.

The application field of the CIC21J121NE is broad. It is most commonly used in RF circuits for low frequency applications. It is also used as a ROMpsafe circuit in order to protect against static electricity or high-energy electric discharges. Additionally, the CIC21J121NE Ferrite bead is used to suppress ElectroMagnetic Interference (EMI) and Radio Frequency Interference (RFI). Generally, this is achieved by using the component in combination with proper shielding to absorb the energy that would otherwise be created from EMI and RFI. This not only reduces undesired radiation, but also improves the performance of the circuit.

The working principle of the CIC21J121NE is based on the concept of RF current filtering. The Ferrite bead acts as an impedance in the circuit, which limits or restricts the flow of current. This in turn reduces the amplitude of the RF current, which is typically created from interference sources. As a result, the filtered current level is much lower than if it weren’t filtered. As an example, if a circuit is being bombarded with EMI, the Ferrite bead will limit the flow of RF current before it enters the sensitive components of the circuit.

The CIC21J121NE is a great choice of component for RF protection and EMI radiation suppression. It provides a high degree of filtering to reduce the effect of interference on a circuit. Its wide application field and effective working principle make it one of the most widely used Ferrite beads in modern circuit designs.

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