SP1812R-123J

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Fixed inductors are a type of electronic device used in various electrical circuits. They play a major role in the power, data, and signal transmission in the vast majority of modern circuits. The SP1812R-123J fixed inductor is a particularly versatile component that finds many uses in a variety of applications.

The SP1812R-123J fixed inductor is a miniature radial-leaded device, with a maximum diameter of 19mm. It can withstand high temperatures (up to +125°C) and its high-inductance makes it a great choice for a variety of circuit designs. This particular inductor is available with inductance values ranging from 2.2µH to 22µH, with excellent temperature stability, making it suitable for use in high temperature environments.

The SP1812R-123J fixed inductor is mainly used in power supply circuits, and its high ripple current capability makes it ideal for such applications. It is also used in switching power supplies, as well as various low-frequency signal conditioning and filtering applications. The SP1812R-123J can also be used for DC-DC power conversion, as well as boost and buck switching power supplies.

The working principle of the SP1812R-123J fixed inductor is based on Faraday’s law of induction. This law states that a changing magnetic field will induce a voltage in an electrical conductor. The SP1812R-123J fixed inductor works by allowing a current to flow via an electromagnetic field. This induces a voltage that opposes the incoming current, thus creating an opposing or “back EMF” which will reduce the amount of current that is allowed to flow. As the current is reduced, the voltage is also reduced, thus creating a more stable power supply.

The SP1812R-123J fixed inductor also has a very low DC resistance, which allows for a higher peak current without any heating of the component. This makes it ideal for high-power applications, as it can handle more current without any additional losses. The SP1812R-123J also has a high self-resonance frequency, making it suitable for various noise-suppressing applications. Furthermore, the SP1812R-123J has excellent heat transfer capabilities, enabling it to dissipate heat quickly.

In summary, the SP1812R-123J fixed inductor is a versatile and reliable component which can be used in a variety of applications. Its high-inductance, low DC resistance, and high temperature stability make it well-suited for power supply circuits and signal conditioning and filtering applications. Its working principle is based on Faraday’s law of induction, which states that a changing magnetic field induces a voltage in an electrical conductor. As such, the SP1812R-123J is a great choice for many circuit applications.

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