SP1812R-273K

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Fixed inductors are electrical components used to store energy within a magnetic field. The SP1812R-273K is a popular fixed inductor that is commonly used in a variety of applications. This article will discuss the application field and working principle of this product.

The SP1812R-273K is a variable air gap inductor with a high inductance value and low loss. It is designed specifically for use in low-powered switching power supplies and gate-drive applications. It is constructed with a special core material and shielded winding construction to minimize the size and weight of the inductor. The electrical characteristics of the inductor make it ideal for applications such as switching DC-DC converters, high frequency DC filtering, HF radio amplifiers, radio frequency signal processing, and more.

The SP1812R-273K is designed to operate at frequencies ranging from 100kHz to 100MHz. Its rated inductance value is 27mH and its rated current is 7.0A. It also has a low DC resistance of 0.19 Ohms and its rated power dissipation is 1.0W. The model has an air gap that can be adjusted to optimize the inductance and other characteristics. This allows for application-specific customization of the inductance characteristics.

The working principle of the SP1812R-273K is based on Faraday’s Law of induction. When a conductive wire is moved through a magnetic field, a voltage is induced in the wire due to the changing magnetic field. The voltage in the wire is proportional to the rate of change of the magnetic field. The SP1812R-273K is designed to exploit this principle to create a variable air gap inductor. When the air gap is adjusted, the magnetic field around the inductor changes, increasing or decreasing the inductance of the component. This allows for on-the-fly adjustment of the inductance value.

In conclusion, the SP1812R-273K is a popular fixed inductor designed to operate in a wide range of applications from low-powered switching power supplies to gate-drive applications. It is constructed with a special core material and shielded winding construction to minimize the size and weight of the inductor. The model has an adjustable air gap that can be used to customize the inductance characteristics for specific applications, making it a highly versatile and useful component. The working principle is based on Faraday’s Law of induction and the changing of the air gap changes the magnetic field around the inductor, making it a highly effective system.

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