0819R-04K

DC Resistance (DCR):	180 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.078" Dia x 0.200" L (1.98mm x 5.08mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	560MHz
Q @ Freq:	35 @ 25MHz
Series:	0819R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	760mA
Tolerance:	±10%
Inductance:	150nH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed InductorsThe 0819R-04K inductor is an important and essential component in a wide range of applications. It is one of the most commonly used inductors due to its small size and high efficiency. The 0819R-04K is designed for use in applications requiring up to about 4.2 A of peak current to be dissipated in the form of electrical energy. Examples of such applications include switching power supplies, high-frequency power conversion, and voltage regulation.The working principle of the 0819R-04K inductor is based on the principle of Lenz’s law. This law states that an electric current flowing through an inductor will produce an electric field that opposes the changing magnetic field associated with the current. This opposing field will cause the inductor to resist changes in the current, resulting in the generation of electrical energy. The energy generated by the inductor is then dissipated as heat.In essence, the 0819R-04K inductor acts as a transformer, transferring electrical energy from one point to another. The inductor works by providing a fixed magnetic field or “magnetic core” which, when exposed to a changing current, produces a changing magnetic field. This produces a varying voltage across the inductor, which is then dissipated in the form of electrical energy.The 0819R-04K inductor is composed of several components. First there are the coils. These coils have an inductance rating of 1.3µH, which is suitable for most applications. The coils are wound on an aluminum core with an air gap, providing a compact form factor and high frequency response.In addition to the coils, the 0819R-04K inductor also contains a shielding ferrite core, which helps reduce noise that could otherwise interfere with sensitive electronics. Lastly, there are the metallic jacks and terminals that provide electrical connections.Due to its small size and high efficiency, the 0819R-04K inductor is a popular choice for many applications. Its low inductance rating and wide frequency response make it suitable for use in switching power supplies, high-frequency power conversion, voltage regulation, and other low-level electrical circuits. It is also a popular choice for use in automotive, medical, and telecommunications applications.

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