4379R-394KS

DC Resistance (DCR):	9.7 Ohm Max
Height - Seated (Max):	0.140" (3.56mm)
Size / Dimension:	0.163" L x 0.133" W (4.14mm x 3.38mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	4MHz
Q @ Freq:	100 @ 790kHz
Series:	4379R
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	72mA
Tolerance:	±10%
Inductance:	390µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of 4379R-394KS Fixed Inductors

Fixed inductors are components primarily used to store energy in a magnetic field. They are designed to have a defined inductance value, ranging from millihenries (mH) to microhenries (uH). They are used for high-frequency applications such as transmitting signals, filtering out extreme frequencies, and maintaining a continuous power supply. The 4379R-394KS is a specific type of fixed inductor from the company KEP/AME.

4379R-394KS Application Field

The 4379R-394KS is a high-current, double-sided, leadless, surface mount fixed inductor. It has a wide operating temperature range of -55oC to +125oC and an inductance range of 1.5µH to 33µH, making it suitable for high-power applications such as power converters, power supply designs, and DC-DC converters. It is also useful for applications such as decoupling noise, suppressing high-frequency harmonics, and filtering power. It also has a high ripple current rating under high-temperature testing, making it a great choice for power-hungry applications.

4379R-394KS Working Principle

The working principle of a fixed inductor is based on the faraday\'s law of induction. When a current is supplied to the windings of the inductor, it creates a magnetic field that stores energy in the form of a circulating current. This current reduces the voltage across the inductor, resulting in a drop of power across its terminals. The stored energy oscillates between the inductor and an external capacitance. By controlling this current flow, stable AC signals can be maintained, making them useful in many high-frequency applications.

Conclusion

The 4379R-394KS fixed inductor from KEP/AME is an ideal choice for providing high-current and power applications that require an operating temperature range of -55oC and to +125oC. Due to its ability to handle high currents and temperatures, it is highly suitable for designing power supply units, DC-DC converters, and filtering applications. The inductor follows the same operating principle of a fixed inductor, based on Faraday\'s law of induction, which results in stable AC power signals.

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