SP1812R-222H

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Fixed inductors are electronic components that store energy in a magnetic field. They are used to filter out high frequency signals, control the flow of power to and from circuits, and regulate voltage. The SP1812R-222H is a fixed inductor well-suited to a variety of applications such as power factor correction, switched-mode power supply (SMPS), and electronic ballast. This article will discuss the SP1812R-222H application field and working principle in depth.

The SP1812R-222H is a surface mount power inductor ideal for applications including power supply, modules, laptop, and LED driver. The product boasts a wide range of electrical and mechanical specifications, including an inductance of 22μH, rated current of 5.1A, and saturation current of 7.2A, as well as an operating temperature range of -40℃ to +125℃. The product is available with resistance tolerance of ±20%, inductance tolerance of ±20%, and insulation resistance of ≤10 MΩ. These specifications make the SP1812R-222H an ideal choice for applications requiring high-reliability performance in a compact package.

The working principle of the SP1812R-222H is based on Faraday’s law of induction. This law states that when a conductor is in a changing magnetic field, it will experience a voltage proportional to the rate of change of the magnetic field. This voltage is known as an “inductance”. In the case of the SP1812R-222H, the inductance is created by the electrical current running through the inductor’s windings. This is then used to control the flow of power and regulate voltage.

The SP1812R-222H is particularly useful in applications where power factor correction is required. Power factor is the ratio of the real power used by an electrical system to the total apparent power. As a fixed inductor, the SP1812R-222H can be used to filter out high frequency signals, thus improving the overall power factor of the system. The product can also be used in SMPS applications, such as providing energy efficient power supplies for LED lighting.

The SP1812R-222H is also an ideal choice for electronic ballast applications. Electronic ballasts provide stepped-down alternating current to control the current and voltage supplied to a device. The SP1812R-222H’s high-reliability design and smaller size make it suitable for these types of applications.

In summary, the SP1812R-222H is an ideal fixed inductor for power factor correction, SMPS, and electronic ballast applications. In addition, its high-reliability performance and compact size make it a preferred choice for a wide range of applications requiring reliable performance in a small package.

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