0819R-94K

DC Resistance (DCR):	72 Ohm 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:	790kHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	3.9MHz
Q @ Freq:	35 @ 790kHz
Series:	0819R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	25.5mA
Tolerance:	±10%
Inductance:	820µH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: 0819R-94K Application Field and Working Principle

Fixed inductors are important components in the field of electronic engineering, and they are widely used in various areas such as power converters, AC/DC converters, RF amplifiers, audio processors, and passive filters. This article is focused on the application field and working principle of 0819R-94K fixed inductors specifically. 0819R-94K fixed inductors are mainly used in applications such as Switching Power, DC-DC Converters and Battery Chargers. They operate efficiently with high saturation current, wide temperature range and miniaturized dimensions. The core of a fixed inductor consists of a number of ferrite cores which are either air gap or not air gap. These cores make sure the inductor can handle high power with low temperature rise. The outer casing of the inductor is made of a non-magnetic material such as aluminum or plastic in order to reduce heat dissipation. In terms of working principle, a fixed inductor mainly relies on the principles of electromagnetic induction and the Faraday law of induction. When a current starts to flow through the inductor, a magnetic field is created around the inductor lines, helping reduce the inductor\'s resistance. Consequently, some of the electric energy is converted into magnetic energy. The magnetic field then interacts with the neighboring windings, generating back EMF to oppose the current flowing in the inductor. This creates a self-induced voltage which limits the inductor\'s current and stores the electric energy in its core, thus establishing the inductor\'s characteristic as an inductor.The application field and working principle of 0819R-94K fixed inductors discussed above are important considerations for engineers and technicians working in the field of electronic engineering, as they enable them to make wise decisions about whether a fixed inductor is suitable for the particular application or circuit they are designing. With appropriate operating experience and expertise, engineers and technicians can ensure that their designs employ fixed inductors in an effective and efficient manner.

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