1812-224H

DC Resistance (DCR):	10 Ohm Max
Height - Seated (Max):	0.190" (4.83mm)
Size / Dimension:	0.126" L x 0.126" W (3.20mm x 3.20mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	4MHz
Q @ Freq:	40 @ 790kHz
Series:	1812
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	142mA
Tolerance:	±3%
Inductance:	220µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction: What are Fixed Inductors?

Fixed inductors are electronic components that store energy in electric fields. They are used in circuit designs to provide electromagnetic shielding, regulate voltage and current, filter frequencies, and distribute currents in electric motors and other circuits.Fixed inductors are used across many different industries and come in a variety of form factors, including ceramic, ferrite, and iron oxide wires. In this article, we will discuss the 1812-224H application field and working principle of fixed inductors, and how these components are used to provide power in various applications.

1812-224H Application Field and Working Principle

The 1812-224H fixed inductor is a general-purpose inductor for use in circuit designs that require low-frequency operation. They are suitable for frequencies up to 100MHz and have a current rating of 40mA.The 1812-224H inductors are commonly used in audio systems, data transmission systems, electronic controls, power supplies, and automotive applications. The inductors are constructed with a base of high-grade steel for strength and durability. The construction also includes a ceramic core and an air-trapped gapped core that enables to inductor to operate up to 100 MHz.The working principle of a fixed inductor is based on the principle of self-induction, which is the production of a voltage in an inductor when its current is changed. When an alternating current is passed through a coil of wire, the coil will generate a magnetic field around it. This magnetic field will then interact with the current, creating a secondary voltage and generating an effect known as back-EMF (Electromotive Force). This voltage acts to oppose the original current and provides a stabilizing effect to the flow of the current. Therefore, the main purpose of the inductor is to regulate and filter the current flowing through the circuits it is installed in.

Conclusion

Fixed inductors are essential components for many electrical and electronic applications. The 1812-224H inductor is a small but essential part of many systems and circuits. The general purpose 1812-224H inductor can be used to regulate voltages, filter out noise, and regulate currents in applications such as audio systems, communication systems, and automotive applications. The working principle of a fixed inductor is based on the principles of self-induction, and it uses the magnetic field generated by an inductor to oppose the original current and provide a stabilizing effect.

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