SDR1806-221KL Inductors, Coils, Chokes

DC Resistance (DCR):	420 mOhm Max
Height - Seated (Max):	0.272" (6.90mm)
Size / Dimension:	0.720" L x 0.551" W (18.30mm x 14.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	4.5MHz
Q @ Freq:	20 @ 796kHz
Series:	SDR1806
Shielding:	Unshielded
Current - Saturation:	2.2A
Current Rating:	1.1A
Tolerance:	±10%
Inductance:	220µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionFixed inductors, commonly referred to as fixed coils, are electric components used in devices to provide inductance. They are commonly found in a wide range of electrical and electronic circuits. Inductors help provide a steady flow of electrical current in devices or systems by limiting the rate of change of the current. In this article, we will look at the SDR1806-221KL inductor, a fixed inductor that is commonly used in consumer electronics. SDR1806-221KL application field and working principleThe SDR1806-221KL inductor series is a fixed inductor manufactured by SDR Inc. It is designed for use in consumer electronics such as smartphones, tablets, and other devices. It is available in a variety of sizes, making it suitable for a wide range of applications.The SDR1806-221KL fixed inductor is constructed of a conductive coil of wire that is wrapped around a ferrite core. It is capable of storing energy in the form of magnetic flux when current passes through the coil. The amount of energy stored is proportional to the amount of current passing through the coil. The stored energy can then be released as current when the current is stopped or decreased. This helps regulate the flow of electrical current in devices.In addition, the SDR1806-221KL inductor features low DC resistance and high current carrying capacity. This allows for maximum efficiency when used in electrical circuits. It is also low in cost, making it an affordable choice for many applications.Finally, the inductor is packaged in an axial-leaded package, making it easy to insert in circuit boards. The inductor is rated for an operating temperature range of -55 to +125°C.ConclusionThe SDR1806-221KL fixed inductor is an ideal choice for consumer electronics applications. It is capable of storing energy in the form of magnetic flux, and its low DC resistance and high current carrying capacity make it an efficient and cost-effective choice. The inductor is also protected against extreme temperatures, making it a reliable choice for many applications.

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