SP1210R-224K

DC Resistance (DCR):	20.7 Ohm Max
Q @ Freq:	--
Frequency - Self Resonant:	--
Ratings:	--
Operating Temperature:	-55°C ~ 125°C
Inductance Frequency - Test:	100kHz
Mounting Type:	Surface Mount
Package / Case:	1210 (3225 Metric)
Supplier Device Package:	1210
Size / Dimension:	0.128" L x 0.095" W (3.25mm x 2.42mm)
Height - Seated (Max):	0.101" (2.57mm)
Series:	SP1210R
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Wirewound
Material - Core:	Ferrite
Inductance:	220µH
Tolerance:	±10%
Current Rating:	100mA
Current - Saturation:	87mA
Shielding:	Shielded

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Introduction to Fixed Inductors

Fixed inductors are passive components used to provide inductance within a specific circuit. They are typically used in circuits where some current is needed to pass through a coil of wire which is wound on an insulating core. In this article, we will be specifically looking at SP1210R-224K, a type of fixed inductor, to explore its application fields and working principles.

What is an Inductor?

An inductor is a type of passive electronic component that stores power in a magnetic field when an electric current passes through it. It is comprised of an ideal conductor (usually in a coil wire) that creates a stable magnetic field. When a voltage is applied to an inductor, the current will increase as determined by its inductance.

Working Principle of an Inductor

At the core of the inductor’s working principle is the principle of Faraday\'s law. This law states that a changing magnetic field will induce a voltage across a conductor. As such, when a voltage is applied to an inductor, the current created will create a magnetic field around the inductor\'s wires. This magnetic field then induces a voltage across the conductor.

Types of Inductor

Inductors can be divided into two broad categories; passive inductors and active inductors. Passive inductors, like SP1210R-224K, depend solely on the physical properties of wire, such as its length and diameter, to create their magnetic field. Active inductors, on the other hand, depend on active components such as transistors or thyristors to generate their magnetic fields.

SP1210R-224K

SP1210R-224K is a type of fixed inductor. It is a passive inductor that utilizes a ferrite core (or casing) as its insulator. Its working principle is simple – when a voltage is applied, the magnetic field created will induce a voltage across its windings, thus creating a current.

Application Field of SP1210R-224K

SP1210R-224K can be used in a variety of applications where both high capacitance and low resistance are needed. For example, it can be used in power supplies, transformer core applications, frequency control, signal filtering, and communication systems, to name a few. The SP1210R-224K has a loose tolerance on its rated inductance, making it an excellent choice for applications that need variable inductance.

Conclusion

This article has explored the application field and working principles of the SP1210R-224K, a type of fixed inductor. It is a passive inductor which uses a ferrite core as its insulator. Its working principle is based on Faraday\'s law, which states that a changing magnetic field will induce a voltage across a conductor. It can be used in a variety of power supply, frequency control, and signal filtering applications.

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