SP1812R-683K

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Fixed inductors are electronic components that are found in a variety of electronic devices, such as computers, smartphones, TV sets, and other electronics. One such component is the SP1812R-683K, which is a low-profile surface mount shielded inductor. The component is used in applications such as EMI filtering in power supply and DC-DC converter circuits, and output and input impedance matching.

The SP1812R-683K is protected by an epoxy resin coating and has a high self-resonant frequency. This inductor has a temperature range of -40 to +125 degrees Celsius and an insulation resistance of 10,000 MΩ (min). Its maximum effective inductance is 0.47 μH, and it also has a current rating of 220 mA. When it is used together with other components, the SP1812R-683K can reduce the size of the circuit and help make it more efficient.

The working principle of a fixed inductor is based on Faraday\'s law of electromagnetic induction. This states that when a coil of wire is exposed to a changing magnetic field, an electric current is induced in the coil. This electric current is known as induced current or self-inductance. The inductor is designed so that a current flowing through it produces a magnetic field that opposes the change in the current, thus a fixed inductor resists any change in current. This resistance, known as inductance, is measured in henries.

The SP1812R-683K is able to maximize the performance of an electronic device by providing both effective EMI and power protection, as well as controlling noise levels. It also helps in the design of power saving circuits by offering better power handling capability and reducing thermal losses. When the inductor is used properly, it can also help to minimize the output ripple. In a power supply circuit, it allows more efficient regulation of the output voltage.

In summary, the SP1812R-683K is a low-profile surface mount shielded inductor that has a range of features that make it suitable for use in a variety of electronic device applications. Its working principle is based on Faraday’s law of electromagnetic induction, and thus helps to provide effective EMI and power protection, control noise levels, and increase power efficiency. As such, it is considered an important part of any electronic device.

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