AIUR-09-390M

DC Resistance (DCR):	160 mOhm Max
Height - Seated (Max):	0.256" (6.50mm)
Size / Dimension:	0.394" Dia (10.00mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.52MHz
Operating Temperature:	-55°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	AIUR-09
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1.8A
Tolerance:	±20%
Inductance:	39µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

Fixed inductors, also called chokes, are passive electronic components that store energy in the form of a magnetic field. The AIUR-09-390M is a fixed inductor well-suited for high-frequency applications. This article will discuss the application field and working principle for the AIUR-09-390M.

Application Field

The AIUR-09-390M is ideal for applications that require a stable voltage, radio frequency interference (RFI) suppression, and impedance matching. It is designed for frequencies up to 30 MHz and is suitable for power supplies and signal lines. It can also be used in circuits between two points in order to provide filtering and decoupling.

Working Principle

Fixed inductors depend on the principle of magnetic induction. It can be thought of as a tightly coiled conducting wire. When an electric current passes through this wire, a magnetic field is generated in the area surrounding the coil. This field is responsible for the inductance of the coil.When the electric current changes, the magnetic field in the coil also changes, inducing an electromotive force (EMF) called “back EMF”. Back EMF opposes any changes in the current and serves to limit the current flow through the coil. This is one of the key properties of fixed inductors that makes them so useful in certain applications.In the case of the AIUR-09-390M, the back EMF induced by the inductor helps to maintain a stable voltage in circuits exposed to sudden changes in load or environment. It also helps to reduce RFI, as the inductor absorbs high-frequency signals and dissipates them as heat. Finally, the AIUR-09-390M helps to improve the matching of impedances between two points. This allows for a more efficient transfer of energy and reduced noise.

Conclusion

The AIUR-09-390M is an effective fixed inductor for high-frequency applications. Its back EMF helps to maintain a stable voltage, reduce RFI, and improve impedance matching. By understanding the application field and working principle of the AIUR-09-390M, engineers can better decide when to use this inductor in their designs.

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