1812-223K

DC Resistance (DCR):	3.2 Ohm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Supplier Device Package:	1812
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	13MHz
Q @ Freq:	50 @ 2.5MHz
Series:	1812
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	250mA
Tolerance:	±10%
Inductance:	22µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Introduction

1812-223K is a type of fixed inductor which has been specifically designed to fit within the space of standard 0805 chip packages. This inductor is primarily used in applications where high-frequency, high-current or high-inductance are needed, such as in power supplies or switching converters. Its ability to handle extremely high currents makes it ideal for applications that require very low levels of power dissipation.

Features

The 1812-223K fixed inductor has a number of features that make it suitable for various applications. These include a low DC resistance, high inductance value, and a high current rating. It also has a wide range of inductance values, from 0.47uH to 22uH, making it extremely versatile. Additionally, the inductor has a high self-resonance frequency of up to 800MHz, making it suitable for high-speed applications. The inductor also has a wide temperature range, operating from -55°C to +125°C, and is RoHS compliant.

Applications

The 1812-223K is a versatile inductor that can be used in a wide range of applications. These include power supplies, switching converters, DC-DC converters, and RF signal applications. Additionally, this type of inductor is suited for automotive applications, due to its wide temperature range and RoHS compliance. This makes it suitable for use in applications such as motor control systems, engine management systems, and battery charging systems.

Working Principle

The 1812-223K is an inductor, which is an electrical component that stores energy in its magnetic field. The electrical current entering the inductor is “induced” to form a magnetic field that stores energy. The amount of energy stored is proportional to the amount of current flowing through the inductor. At the same time, the current is also “opposing”, meaning that the current flowing in the opposite direction is reduced. This is known as electromagnetic induction, and is the basis of operation for the 1812-223K inductor.

Conclusion

The 1812-223K is a type of fixed inductor specifically designed for small chip applications. It has a wide range of inductance values, a high current rating, and a wide temperature range, making it suitable for a variety of applications. Additionally, its high self-resonant frequency makes it ideal for high-speed applications. The inductor operates based on electromagnetic induction, where the current induces the formation of a magnetic field which stores energy. With these features, the 1812-223K can be a useful component in many different applications.

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