9250-224

DC Resistance (DCR):	5 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.162" Dia x 0.410" L (4.11mm x 10.41mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	7.5MHz
Q @ Freq:	55 @ 790kHz
Series:	9250
Shielding:	Shielded
Current - Saturation:	80mA
Current Rating:	125mA
Tolerance:	±10%
Inductance:	220µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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9250-224 Fixed Inductors: Application Field and Working Principle

Fixed inductors are electronic components designed to store energy in the form of an electrical current, which is released when a certain voltage is present. Inductors can be found in many components of electric circuits, from the slowly-fading light dimmer switch to the current regulator that helps maintain the desired voltage level. To understand how these devices are used in electrical and electronic systems, let\'s take a closer look at their application field and working principle.

Application Field

Fixed inductors are most commonly used in transformer applications. In these applications, the device transfers energy from one circuit to another through its magnetic field. Transformers are necessary in order to regulate the voltage and current before on to other further stages. Fixed inductors are also used as a part of AC and DC motor control circuits. In AC motors, the inductor acts as a resonance filter, reducing ripple current. In DC motors, the inductor is used to generate a stable current. This allows for more precise motor control, and ensures a uniform and smooth rotation.Fixed inductors are also frequently found in EMG (electromagnetic shielding) applications. The inductor here absorbs any external magnetic field, thus protecting the device from interference.

Working Principle

A fixed inductor is a passive, two terminal electronic component that stores energy in the form of a magnetic field in response to an applied current. The current flowing through the inductor causes a magnetic field to form around the device. This field induces an opposing voltage in the inductor, thus limiting the amount of current it can pass.In transformers, the two coils, also known as windings, act together as one inductor. When an alternating current is passed to the first coil, an alternating current is induced in the second. The amount of current induced is determined by the ratio of the primary to secondary windings of the transformer. In EMG applications, the inductor absorbs the external magnetic field, thus shielding the device from interference. This is achieved through the use of a shield coil or a flux capacitor which is placed between the inductor and the external source of magnetic field. Fixed inductors can also be used in AC and DC motor control circuits to limit the amount of current passing through the motor. When a current is passed through an inductor, the magnetic field it generates opposes the current, thus preventing high amounts of current from reaching the motor. This allows for more precise motor control, and ensures a uniform and smooth rotation.Overall, fixed inductors are essential components for controlling the flow of electrical current in many different types of devices. Through their ability to store and release energy, they make it possible to maintain a stable, predictable voltage and current levels, as well as to reduce interference in specialized applications.

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