CIL21J2R2KNE

Fixed inductors are an integral part of many power and control systems. CIL21J2R2KNE is a commonly used fixed inductor, whose applications and working principles will be discussed in this article.

Applications of CIL21J2R2KNE

The CIL21J2R2KNE is a robust inductor with 4.7uH/2.7mOhm inductance and saturation current up to 3.37A. It\'s a surface mount type inductor with a size of 4.725 * 5.190 mm, making it particularly suitable for compact and densely populated design. In addition, its operating temperature range is -55℃-+125℃, making CIL21J2R2KNE an ideal choice for industrial, automotive, telecommunication and computing applications.

• CIL21J2R2KNE is frequently used in power supply and DC/DC converter circuitry, thanks to its low ripple current and low DC resistance.
• Its excellent high frequency performance and SRF makes it a great choice for use in high frequency switched mode power supplies, and radio frequency filters.
• It can be used for pulse circuits, high frequency transformer coils, and high frequency choke coils.
• It can also be used in circuits such as DC-DC converters and EMIs.

Working Principle of CIL21J2R2KNE

CIL21J2R2KNE works through the electromagnetic induction principle. It consists of an inductor winding of a coil of wire, which develops an electro-magnetic field. When current is applied to the inductor winding, the magnetic field creates a voltage in the coil that opposes the applied current. This opposition of voltage to current is called inductance, which is measured in Henries (H). For this reason, inductors are also known as reactive components. The amount of inductance is determined by the number of turns of the wire in the inductor winding, its length and the type of core material used.

The CIL21J2R2KNE has a higher saturation current and low ripple current due to its high permeability. Its high permeability also allows it to maintain a higher inductance over a wider range of frequencies. The CIL21J2R2KNE has a self-resonant frequency that is greater than 3300MHz, which contributes to its excellent high frequency performance.

Conclusion

The CIL21J2R2KNE is an excellent fixed inductor due to its high saturation current and low ripple current. Its robust design and size make it suitable for a wide range of applications, such as power supplies, DC/DC converters, switched mode power supplies, pulse circuits, radio frequency filters, and high frequency transformer coils. The CIL21J2R2KNE works on the principle of electromagnetic induction, in which a magnetic field is created when current is applied to the inductor winding, which induces a voltage that opposes the applied current. Thanks to its high permeability and low DC resistance, it exhibits excellent performance across a wide range of frequencies.