1812R-392H

DC Resistance (DCR):	900 mOhm Max
Height - Seated (Max):	0.190" (4.83mm)
Size / Dimension:	0.126" L x 0.126" W (3.20mm x 3.20mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	40MHz
Q @ Freq:	50 @ 7.9MHz
Series:	1812R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	472mA
Tolerance:	±3%
Inductance:	3.9µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are electronic components comprising of one or more windings of conductor material such as a metal wire, which is manufactured in a predetermined shape and size. This pre-yes design ensures predictable and stable performance of the component. Many capacitors have an inductor component.The 1812R-392H is one such inductor, specifically designed for higher levels of saturation current and higher frequencies. It has an inductance of 1.50 ± 10%mH, a DC current of up to 920mA and a maximum operating frequency of 12GHz.

Application Field

The 1812R-392H is most commonly used in RF designs, such as those used in wireless communication and measurement applications. Its high saturation current allows for increased power and frequency efficiency in these designs. It can also be used in power-supply filters to help reduce electromagnetic interference (EMI). As well as reducing EMI, the inductor can also provide signal stability.

Working Principle

Inductors work on the principle of Farady\'s law of induction, which states that a changing magnetic field will cause a current to be induced in a conductor within a magnetic field. The 1812R-392H works on this principle.When a current is applied to the inductor, a magnetic field is created, which induces or creates a magnetic field in the coil. This magnetic field then generates a back voltage or “Inductance” that opposes the input voltage. This opposition is what allows the inductor to filter out high-frequency signals while allowing low-frequency signals to pass.The 1812R-392H has a high saturation current and frequency rating that enable it to be used in higher power and higher frequency applications. The inductor also has enough inductance to provide signal stability when used in a power-supply filter.

Conclusion

The 1812R-392H fixed inductor is an ideal choice for applications that require high power levels and frequencies. It can be used in wireless communication and measurement applications as well as power-supply filters to help reduce electromagnetic interference and increase signal stability.

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