SP1812-472G

DC Resistance (DCR):	210 mOhm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.189" L x 0.134" W (4.80mm x 3.40mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SP1812
Shielding:	Shielded
Current - Saturation:	959mA
Current Rating:	969mA
Tolerance:	±2%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are a type of electrical component used to create an electric current that continues steady for a fixed period of time over a range of frequencies. They are very common in the electronics industry and are used for a variety of applications. One of the most common types is the SP1812-472G. This article will discuss the application field and working principle of this inductor.

Application Field

The SP1812-472G is an inductor used in a variety of applications including: power supply circuits, radio frequency filters, audio filters, signal path networks, voltage control devices, and other related circuits. It is often used as a component of consumer electronics, radio and communication equipment, automotive electronics, industrial machinery and instrumentation, and power distribution.It is also used as a component of many medical devices, such as X-ray machines, MRI machines, and other medical imaging equipment. In such devices, it helps control the electrical signals produced in response to medical tests.This type of inductor is also used in aerospace devices, military applications, and other high-tech equipment, as they are ideal for use in harsh environments and high altitude operation.

Working Principle

The SP1812-472G is a ferrite core type inductor that works on the principle of electromagnetic induction. It consists of a wire coil wound around a ferrite core, which is a type of magnetic material. When an alternating current is applied to the coil, it creates a magnetic field. This magnetic field then induces a current in a second nearby coil, which produces a voltage that is proportional to the frequency of the input current. The core material of the ferrite core has a high electrical and magnetic permeability, which helps increase the inductance of the inductor. It also helps to reduce the core losses and thus improve the performance of the inductor. This inductor also features high current carrying capacity and low reactance, which allows it to operate over a wide range of frequencies.

Conclusion

The SP1812-472G is a fixed inductor that can be used in a variety of applications. It is widely used in power supply circuits, radio frequency filters, audio filters, signal path networks, voltage control devices, and other related circuits. It also works on the principle of electromagnetic induction, which involves winding a wire coil around a ferrite core material, to create a voltage proportional to the frequency of the input current. This inductor has high current carrying capacity and low reactance, allowing it to be used in high-tech equipment, aerospace devices, and medical imaging equipment.

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