77F8R2K-TR-RC

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Fixed Inductors

Fixed inductors are electrical components that use magnetic fields to store energy. The inductor consists of metal coils wound around a core and connected to two terminals. Fixed inductors are typically used in power supplies, signal processing, and energy conversion systems.

The 77F8R2K-TR-RC application field is a type of fixed inductor. It is a radial-leaded SMD reactor designed for surface-mount applications. This component has a storage capacity of 220µH and an operating temperature range of -40 to 85°C. The tolerance of this inductor is 30%, and it has a maximum current rating of 1A.

Working Principle

The working principle of a fixed inductor is based on Faraday’s Law of Electromagnetic Induction, which states that an induced emf is generated in a circuit when the magnetic flux through the circuit changes. In an inductor, this change is occurring because of the amount of current that is passing through it. As more current passes through, the magnetic flux increases, which in turn induces an emf in the circuit.

In the case of the 77F8R2K-TR-RC inductor, the current first passes through the core, where it creates a magnetic field. This magnetic field then induces an emf in the windings of the inductor, which creates a counter-electromagnetic force that opposes the current. This counter-emf then prevents the current from increasing any further and thus “fixes” the current in the circuit.

The 77F8R2K-TR-RC inductor also has a self-resonant frequency. This is the frequency at which the inductive and capacitive reactances are equal and opposite, and the current in the circuit is both in and out of phase. This frequency is also known as the “resonance frequency.”

The working principle of the 77F8R2K-TR-RC application field is the same as that of all fixed inductors. It utilizes magnetic fields to store energy and create a counter-emf in the circuit to fix the current. However, the special feature of this particular inductor is its self-resonant frequency, which can be used to precisely and accurately adjust the operation of the device.

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