SRR1210-181M Inductors, Coils, Chokes

DC Resistance (DCR):	250 mOhm Max
Height - Seated (Max):	0.394" (10.00mm)
Size / Dimension:	0.472" L x 0.472" W (12.00mm x 12.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	1.8MHz
Q @ Freq:	14 @ 796kHz
Series:	SRR1210
Shielding:	Shielded
Current - Saturation:	1.6A
Current Rating:	1.9A
Tolerance:	±20%
Inductance:	180µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

A fixed inductor is an electrical component that stores energy in the form of a magnetic field when electrical current is passed through it. The fixed inductor plays a fundamental role in improving the radio frequency and noise characteristics of the system. The two main types of fixed inductors are air core and iron core inductors. Fixed inductors are widely used in various commercial and industrial applications such as inductor filters, RF/ microwave circuits, oscillators, DC/DC converters, automotive and aerospace electronics, high frequency switching, medical electronics, and others.

SRR1210-181M Application Field and Working Principle

The SRR1210-181M is a high performance and miniaturized, surface-mounted fixed inductor. It is built with a general purpose ferrite core material and designed for operation in frequencies up to 1 GHz. With its high current rating, low DC resistance, and low profile, it is ideal for a variety of applications such as power supply filtering, RF coupling, and low power RF choke. The SRR1210-181M consists of an inductor core and windings that form a coil. A coil of a conductor carrying a current produces a magnetic field. The inductance of an inductor depends on the type of core, the number of turns, and the size of the coil. Inductance is the ratio of the change of magnetic flux through the inductor and the rate of change of its current. When an alternating current flows through the coil of the SRR1210-181M, the magnetic field in its core oscillates and produces an electromagnetic induction in its winding. The power windings form an electric field and when a voltage is applied between these two coils, the EMF induces a current in the second coil. Thus, the primary coil behaves like a current transformer, with the secondary coil transforming the alternating current into a shape greater than that of a normal capacitor.

Performance Characteristics

The SRR1210-181M offers several performance characteristics. Its high current rating, low DC resistance, and low profile make it ideal for use in power supply filtering, RF coupling, and low power RF choke applications. The SRR1210-181M also boasts an inductance range of 1.1μH~100μH, current rating up to 5.5A, ferrite core material, high thermal stability, low dielectric loss and tight inductance tolerance. When used in combination with other electronic components, the SRR1210-181M has numerous benefits. Its low profile design optimizes the system\'s radiating efficiency. Its low DC resistance helps improve the system\'s noise characteristics and efficiency. In addition, its high current rating reduces power dissipation and extends the component\'s lifespan.

Conclusion

The SRR1210-181M is a high performance, miniaturized, and surface-mounted fixed inductor. It is designed for use in frequencies up to 1 GHz, with a wide range of applications in commercial and industrial settings. The SRR1210-181M offers a range of features and characteristics such as high current rating, low DC resistance, low profile, high thermal stability, low dielectric loss, and tight inductance tolerance that makes it ideal for power supply filtering, RF coupling, and low power RF choke applications.

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