HC8-R39-R

DC Resistance (DCR):	1.55 mOhm Max
Height - Seated (Max):	0.157" (4.00mm)
Size / Dimension:	0.429" L x 0.409" W (10.90mm x 10.40mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 155°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	HC8
Shielding:	Unshielded
Current - Saturation:	45A
Current Rating:	28.3A
Tolerance:	±20%
Inductance:	390nH
Material - Core:	Iron Powder
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

An inductor is an essential component in many types of electronic circuits, especially those that require AC power or contain oscillators and filters. An inductor is a two-terminal electrical component that stores energy in the form of a magnetic field when current is flowing through it. The most common type of fixed inductor is the HC8-R39-R, which is a radial-leaded power inductor.The HC8-R39-R is a fixed inductor, meaning it is designed to operate at a constant frequency and is not meant to be tuned or adjusted. This makes them ideal for use in power supplies, where there is a need for moderately high current levels but low AC impedance. They are also suitable for use as chokes and energy storage devices, such as in computer motherboards and other critical electronic components. The HC8-R39-R is particularly suited to filter applications for AC currents up to approximately 32 mA and are used in a variety of power supply circuits.The HC8-R39-R inductor has a radial leaded form factor, which allows for a high current rating along with a relatively small and lightweight design. The lead type makes it compatible with standard through-hole circuit board mounting techniques. It is available in a variety of inductance values and rated currents. The rated inductance is the amount of voltage that the inductor can safely handle without saturation. This helps to minimize noise levels in the circuit.The construction of the HC8-R39-R is very simple. It consists of two discs, a bobbin core and an insulating sleeve. The bobbin core is typically made of ferrite material and helps to provide the inductance. The discs are soldered to the bobbin core and this sets the inductor’s inductance and maximum energy storage. The insulating sleeve helps to protect the circuit from interference and other external sources.The working principle of the HC8-R39-R is relatively straightforward. When current is flowing through the inductor, it creates a magnetic field. This magnetic field interacts with the inductor’s core and creates an electric current in the opposite direction. This opposing current creates a voltage drop, which is what provides the electrical resistance of the circuit. This voltage drop also helps to reduce noise levels and filter certain frequencies from the circuit, making it ideal for filtering applications.In conclusion, the HC8-R39-R inductor is a small and relatively lightweight fixed inductor that is suitable for use in a variety of circuits. Its radial leaded form factor makes it compatible with standard circuit board mounting techniques and its construction is simple yet effective. The rated inductance and current ratings make it suitable for AC current filtering applications. Lastly, its working principle gives it several advantages, such as voltage dropping, noise reduction, and frequency filtering.

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