LDS0705-221M-R Inductors, Coils, Chokes

DC Resistance (DCR):	680 mOhm
Height - Seated (Max):	0.197" (5.00mm)
Size / Dimension:	0.307" L x 0.276" W (7.80mm x 7.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	LDS0705
Shielding:	Shielded
Current - Saturation:	541mA
Current Rating:	584mA
Tolerance:	±20%
Inductance:	220µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Last Time Buy
Packaging:	Tape & Reel (TR)

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Fixed Inductors

An inductor, also called a coil, choke, or reactor, is a passive electrical component that stores energy in the form of a magnetic field. Inductors are common in almost all electronic circuits as they are used to filter signal and power, to control current levels, and to delay signals. Inductors come in many different forms, but the most common type is the fixed inductor.A fixed inductor, such as the LDS0705-221M-R, is a non-variable inductor whose inductance value is predetermined. Fixed inductors are constructed with conductive windings of wire. The wire is either wound using a manual machine or wound and formed using an automated process. The LDS0705-221M-R is wound with high-conductivity copper wire for superior current carrying capacity. The inductor is epoxy-coated for superior environmental protection. The LDS0705-221M-R is a surface-mount (SMD) inductor with a maximum inductance of 221mH and a rated current of 0.45A. It is designed for applications such as SMPS and filtering, meeting the requirements of commercial and industrial equipment in various industries.

Working Principle

Fixed inductors work on the principle of Faraday’s law of induction, which states that when the magnetic field around a conductor is changed, an electromotive force (EMF) is induced in the conductor. In the case of a fixed inductor, the magnetic field is created by a current flowing through the conductor. As the current flows, it sets up a magnetic field in the inductor, causing a voltage to develop across the inductor.The amount of voltage induced depends on the strength of the current, the geometry of the inductor, and the amount of inductance. The strength of the current is determined by the applied voltage. The geometry of the inductor can vary depending on the design of the part, the number of turns, and the wire gauge used in the winding. The amount of inductance is determined by the number of turns, the area of the loop, and the type of material used in the core of the inductor.

Applications

Fixed inductors, such as the LDS0705-221M-R, are used in a wide variety of applications such as power supplies, audio amplification, radio frequency (RF) applications, telecoms, and computer hardware. The LDS0705-221M-R is particularly suited for use when high currents are required, such as in high-frequency switching DC-DC converters. These converters use MOSFET switches which require high currents to operate and the LDS0705-221M-R can provide that current without melting. The part is also useful for providing voltage smoothing in switch mode power supplies.The LDS0705-221M-R can also be used in audio and RF applications. It can be used in amplifier circuits to filter out unwanted frequencies, or in RF circuitry to control signal levels. In these applications the inductor is used to filter out unwanted noise and improve signal quality.Fixed inductors, such as the LDS0705-221M-R, are an essential component in almost all types of electronic circuits. They are used to filter signals, control currents, and to delay signals. The LDS0705-221M-R is suited for applications where high current carrying capability is required, such as in high-frequency switching DC-DC converters. It can also be used in audio and RF circuits to filter out unwanted noise and improve signal quality.

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