SC43-3R9

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Fixed inductors are one of the most common components found in electronic circuits. The SC43-3R9 is a fixed inductor that has a variety of uses in electronics due to its various features and working principles. This article explores the application field and working principle of the SC43-3R9 fixed inductor.

The SC43-3R9 fixed inductor is primarily used for RFID tag antennas and pulse transformers. Its small size and low profile make it an ideal choice for applications where space is limited, such as in portable electronics. It is also used in motor control systems and low noise systems, as its high-Q design helps reduce noise and optimize efficiency. This inductor can also be used in medium- and high-frequency applications such as switching power supplies for AC/DC and DC/DC converters.

The SC43-3R9 fixed inductor features an inductance of 3.9µH, a maximum current rating of 286mA, and a saturation current of 440mA. It is available in a variety of sizes, ranging from 0.75mm to 4.2mm, and offers various numbers of turns and peak inductance values. Additionally, this design features a outer core of 6.3-0.7mm and a dielectric strength of six kilovolts. As such, it is well suited for a large variety of applications that require a high degree of accuracy.

The working principle of the SC43-3R9 fixed inductor is based on the simple fact that when current passes through a wire, it generates an opposing magnetic field. This magnetic field creates an inductance, which is a measure of the opposing force, or resistance, that is generated from the current passing through. The SC43-3R9 fixed inductor uses this principle to create a coil with a certain inductance that is able to effectively counteract any disturbances in the current. In addition to its ability to reduce interference from outside sources, the inductance generated by this design also helps to reduce power loss.

In summary, the SC43-3R9 fixed inductor is a versatile and reliable component that is designed for a variety of uses. Its features, such as its small size and low profile, make it well suited for applications where space is limited. Additionally, its high-Q design helps to reduce noise and optimize efficiency, making it an ideal choice for motor control systems and low noise systems. Furthermore, its working principle is based on the generation of a magnetic field that creates an inductance that helps reduce power loss and interference from outside sources. As such, the SC43-3R9 fixed inductor is a popular choice for many different applications.

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