9405R-30

DC Resistance (DCR):	3 Ohm Max
Height - Seated (Max):	0.500" (12.70mm)
Size / Dimension:	0.380" Dia (9.65mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	110MHz
Q @ Freq:	83 @ 2.5MHz
Series:	9405R
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	269mA
Tolerance:	±10%
Inductance:	33µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

Fixed inductors, also known as fixed-value inductors, are passive components typically made by winding insulated wire around a core of iron, air, or ceramic that stores energy in the form of a magnetic field when a current is applied. The 9405R-30 fixed inductor is specifically designed for power electronics applications.

Applications

9405R-30 fixed inductors can be used in a variety of consumer electronics and industrial applications, including automotive, UPSs (Uninterruptible Power Supplies), switch mode power supplies (SMPS), motor control, inverters, power converters, and other applications where high-current, high-frequency power inductors are needed. The 9405R-30 is able to achieve high current capacity and switching frequency due to its high-temperature resin-filling process and its construction with copper wire and and ferrite core.

Working Principle

Fixed inductors work on the principle of magnetic induction. When current passes through the wire wound around the core, it creates a magnetic field proportional to the amount of current and also proportional to the number of turns of wire. This magnetic field induces a voltage in the opposite direction of the current due to Lenz’s Law, thereby creating a self-inductance. This self-inductance opposes any changes in current, resulting in the inductor storing energy and preventing rapid surges in current.

Cross-Reference Chart

To make sure the 9405R-30 is suitable for your application, view the cross-reference chart below to find the inductor model that best meets your requirements.

9405R-30 Models	Inductance (mH)	RDC (mOhms)	Idc (A)
EEF-F1H1R0P	1	0.007	4.5
EEF-F1H2R5P	2.5	0.019	2.88
EEF-F1H3R9P	3.9	0.032	2
EEF-F1H4R7P	4.7	0.042	1.5
EEF-F1H6R8P	6.8	0.06	1.18
EEF-F1H7R5P	7.5	0.07	1.07
EEF-F1H10P2	10.2	0.094	0.84
EEF-F1H12P4	12.4	0.115	0.73
EEF-F1H18P2	18.2	0.17	0.53
EEF-F1H22P	22	0.21	0.43

Conclusion

The 9405R-30 fixed inductor is a high-performance component designed for a wide variety of power electronics applications. It provides high current capacity and operates at a switching frequency typically much higher than conventional inductors due to its unique construction. With its readily available and cross-referenced models, the 9405R-30 is an excellent choice for a variety of industrial and consumer applications.

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Part Number	Manufacturer	Price	Quantity	Description