CDRR157NP-221MC

DC Resistance (DCR):	485 mOhm Max
Height - Seated (Max):	0.276" (7.00mm)
Size / Dimension:	0.728" L x 0.591" W (18.50mm x 15.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	CDRR157
Shielding:	Shielded
Current - Saturation:	1.3A
Current Rating:	900mA
Tolerance:	±20%
Inductance:	220µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

A fixed inductor is an electronic component designed to store energy in the form of magnetism and help electrical current flow more effectively in an electrical circuit. They are often used in high-frequency applications such as radio-frequency (RF) circuits, and also find use in the power supply circuits of many electronic devices. It is especially useful in providing efficient power regulation in switched-mode power supply (SMPS) designs. The CDRR157NP-221MC is a type of fixed inductor with application fields and working principles that are discussed below.

Application Field

The CDRR157NP-221MC fixed inductor has a wide range of applications in both low and high frequency applications. With a rated inductance of 217µH and DC resistance of 0.08 ohms, the inductor provides a good protection to the power supply devices. The inductor also has a saturation current of 7.7 A, which means it can effectively handle large currents like those used in motor drives and personal electronics.The CDRR157NP-221MC is also used in switching regulator applications, where it provides an efficient and effective filter that regulates the flow of current. The inductor also finds application in power distribution systems and is often used to reduce electromagnetic interference.

Working Principle

The working principle of CDRR157NP-221MC fixed inductor is based on Faraday\'s law of electromagnetic induction. This law states that a change in magnetic field around a conductor induces a counter electromotive force. This induced electromotive force is directly proportional to the rate of change of the magnetic field.When an alternating current is passed through the CDRR157NP-221MC, it produces an alternating magnetic field that induces an alternating voltage in the inductor. This voltage is proportional to the rate of change of the electric current that flows through the inductor. This voltage is then used to reduce the current flow in the conductor thereby regulating the power supply.

Conclusion

In conclusion, the CDRR157NP-221MC is a type of fixed inductor with diverse application fields and a wide range of uses. It works on the principle of Faraday\'s law of electromagnetic induction and is used to regulate the flow of current in power distribution systems. It has a saturation current of 7.7 A, which makes it suitable for handling large currents in motor drives and other personal electronics.

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