HK04022N2S-T

Q @ Freq:	3 @ 100MHz
Height - Seated (Max):	0.009" (0.22mm)
Size / Dimension:	0.016" L x 0.008" W (0.40mm x 0.20mm)
Supplier Device Package:	01005 (0402 Metric)
Package / Case:	01005 (0402 Metric)
Mounting Type:	Surface Mount
Features:	--
Inductance Frequency - Test:	100MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	9.8GHz
Series:	HK
DC Resistance (DCR):	290 mOhm Max
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	290mA
Tolerance:	±0.3nH
Inductance:	2.2nH
Material - Core:	Ferrite
Type:	Multilayer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Fixed Inductors
Fixed inductors, also called chokes, are components that effectively store energy in a magnetic field when an electric current passes through them. They are used to create high levels of impedance that cannot be provided by other inductively coupled electrical components. The HK04022N2S-T is an example of a type of fixed inductor and will be discussed in further detail below in regards to its application field and working principle.Application Field
The HK04022N2S-T fixed inductor is often used in switch mode power supplies, as well as voltage regulator designs. In itself, it is a self-shielded, low profile, surface mount component, suitable for very low profile switch mode PSU\'s and VRM\'s. It is ideal for applications that require compact sizes and high current ratings, such as in mobile phones, PDAs, and similar electronics.Working Principle
The working principle of the HK04022N2S-T fixed inductor is based on the fundamentals of electromagnetic induction. This type of component contains a coil of wire that is wrapped around a core. When an electric current passes through the coil, it generates a magnetic field which is linearly proportional to the amount of current passing through it. The core acts as a guide for the flux generated by the current, allowing it to be efficiently stored as energy in the form of a magnetic field.When the current stops flowing, the stored energy is then released back into the circuit as a voltage spike. This effect makes the HK04022N2S-T an ideal component for use in power supplies and voltage regulatory circuits, as it is able to prevent large voltage fluctuations which could otherwise damage sensitive electronic components.Conclusion
The HK04022N2S-T fixed inductor is a popular and useful component in circuits requiring a reliable storage method for electric current. It is small, yet still capable of handling large amounts of current and can be used in a variety of power supply and voltage regulating designs. Understanding the principles behind electromagnetic induction helps to explain the inner workings of the HK04022N2S-T and its role in maintaining stable voltage levels in sensitive electronic circuits.

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