0819R-30K

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Fixed inductors are components in an electrical circuit made of metal or ceramic. The most common type of inductor is the coil inductor, which is shaped like a coil and contains several turns of wire. It works by producing a magnetic field when electric current passes through the wire, which induces a current in the coil. Another type is the spiral inductor, which consists of many turns of wire wrapped around a spiral-shaped core, and serves to store electrical energy.

The 0819R-30K fixed inductor is one of the simplest inductor designs, featuring a series of wound copper or aluminum wire with a plastic-encased core. The design of the inductor is quite simple: it consists of an inner core made from a ferrite material such as a nickel-zinc (NiZn) alloy, surrounded by a winding of enameled or plastic-coated copper wire, which is enclosed in a plastic casing. This particluar 0819R-30K model features a 330 microhenry (mH) inductance rating, and a DC resistance of 0.35 ohms.

Its application fields are mainly in low-frequency applications such as power supplies, audio crossover networks, RF amplifiers, or EMI/RFI filters. It can also be used to minimize the effect of crosstalk, and is an effective tool for reducing voltage drops and oscillations in circuits. This type of inductor is often used in voltage regulators, low power RF amplifiers, oscillators, switching circuits, and noise suppression.

The working principle behind the 0819R-30K inductor is based on Faraday’s law and Lenz’s Law. According to Faraday’s law, when a coil is connected to an electric current, it creates a magnetic field that can induce a voltage across the coil. According to Lenz’s law, the field created by the current in the coil will oppose the change in the current. This means that, when a current is passed through the coil, the induced voltage will oppose the current and the current in the coil will be stable and unchanging.

The 0819R-30K fixed inductor is a highly effective component that is often used as a filter or stabilizer in electronic circuits. It is capable of filtering out high-frequency signals, while allowing the flow of lower frequencies. The inductor is an essential part of many applications, where its stability and consistent performance make it a reliable component.

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