SPM3012T-1R0M Inductors, Coils, Chokes

DC Resistance (DCR):	65 mOhm Max
Height - Seated (Max):	0.047" (1.20mm)
Size / Dimension:	0.126" L x 0.118" W (3.20mm x 3.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SPM
Shielding:	Shielded
Current - Saturation:	3.4A
Current Rating:	2.8A
Tolerance:	±20%
Inductance:	1µH
Material - Core:	Metal
Type:	Wirewound
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

Fixed inductors are components consisting of two conductive metal coils or windings around a central core. They are used in a variety of electrical circuits to store energy for improved power efficiency, reduce noise in radio frequencies, and provide filtering and isolation for other components. Fixed inductors are available in many types, sizes, and configurations and must be carefully matched to the rest of the circuit to ensure proper operation. These inductors can be made up of various materials including ferrite core, iron core, air core, toroid, and others. Different materials are used according to the application. Fixed inductors are also often divided into two distinct types: polarized and non-polarized. Polarized inductors require power to be applied in a single direction and tend to be more easily affected by outside magnetic fields, while non-polarized inductors are more resistant to outside influences.

SPM3012T-1R0M Application Field and Working Principle

The SPM3012T-1R0M is a non-polarized, conventional, surface-mount inductor designed for interference suppression or power applications in both digital and analog circuits. It has a low DC resistance, allowing it to be easily integrated into other circuits and be used in solar or power grid applications.The SPM3012T-1R0M has a ferrite core with a winding of enameled copper wire. The ferrite core helps reduce the eddy-current losses, resulting in improved efficiency as well as increased frequency stability. The windings of the SPM3012T-1R0M also provide a low level of inductance, providing better noise filtration for the circuit.The working principle of the SPM3012T-1R0M is simple. When a DC current flows through the inductor, the wire windings create a magnetic field that stores energy. When this energy is released, a voltage is induced in the opposite direction, creating an inductive opposition to the current flow in the inductor. This inductance property of the SPM3012T-1R0M can be used to reduce interference in circuits or to help regulate the power system.

Conclusion

Fixed inductors are a common component used in many circuits. The SPM3012T-1R0M is an example of a fixed inductor with a specific application in power grids and solar applications. Its ferrite core provides low eddy-current losses and low inductance, making it ideal for noise filtration in digital and analog circuits. Its basic working principle is the production of a magnetic field by the wire windings when a DC current flows through the inductor, creating an inductive opposition. This inductive property can be used to reduce noise or regulate the power system.

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