1210R-820J

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Fixed inductors are electronic components that are used to create inductance, which is a measure of current or voltage over time. Inductors are commonly found in power supplies, amplifiers, radios, and other electronic devices. The 1210R-820J fixed inductors are designed to provide a high degree of inductance stability for radio frequency applications.

The 1210R-820J comes in a variety of shapes and sizes, the two most common being rolled and planar coils. Rolled coils are made from a single wire wound on itself multiple times to form a doughnut-shaped coil and the planar coils are built from multiple layers of insulated wire wound on a circular form to effectively create an inductive coil. Both types of coils have the same characteristics but differ in impedance, as planar coils are able to have a much higher impedance.

The core of a 1210R-820J fixed inductor is made from ferrite, iron metal alloy, and other materials. A ferrite core allows the inductor to have a very high inductance and very low losses. The iron metal alloy provides the inductor with the ability to handle higher frequencies and has a very low-level parasitic inductance. The 1210R-820J also uses an insulating medium, such as air, to minimize losses.

The 1210R-820J fixed inductor is primarily used for radio frequency filtering and impedance matching. Its high inductance and low profile size make it ideal for high-frequency applications as it helps reduce signal noise and improves the signal-to-noise ratio. It is also used as a choke in AC power lines, as it helps reduce the amount of noise or interference on the line. These inductors are ideal for switching mode power supplies (SMPS), as their high impedance helps reduce the voltage ripple.

The working principle of the 1210R-820J is similar to all other types of fixed inductors. When an electric current is applied, the inductor stores energy in the form of magnetic lines of force. When the current is stopped, the stored magnetic energy is released and produces a voltage across the inductor. The amount of voltage depends on the inductor’s reactance, which is determined by the inductor’s size and shape, as well as the number of turns on the inductor.

The 1210R-820J fixed inductor is an ideal component for applications with high frequency and high impedance requirements. Its ferrite core provides high inductance and low losses, and its planar coil provides high impedance. With its small form factor, it can easily be used in a variety of applications such as radio frequency filtering, impedance matching, and as a choke in AC power lines.

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