SCEP125U-4R3

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Fixed inductors are electrical components that are used to help limit the current within components of a circuit. These components are often used in a wide variety of applications from medical electronics to consumer electronics. One particular type of fixed inductor is the SCEP125U-4R3, and this component has many uses in various applications due to its excellent performance characteristics and reliability.

The SCEP125U-4R3 fixed inductor is a low profile component, measuring just 11.7mm square. It is constructed from a ferrite core wrapped with insulated copper wire. This component has a nominal inductance of 4.3mH and has a maximum rated current of 1.35A. The SCEP125U-4R3 can operate over a wide temperature range, from –25 to +125°C, and is well suited to high temperature environments.

The most common application for the SCEP125U-4R3 is as an EMI filter for switching power supplies. This component works by limiting the high peak currents that can occur when the power supply is switching, thus reducing EMI interference. The inductance of the SCEP125U-4R3 prevents high frequency components from passing through the component by providing an impedance to the signal. The component is also capable of storing excess energy for release on the return stroke, stabilizing the current flow and allowing the power supply to operate efficiently.

The SCEP125U-4R3 can also be used in DC-DC converter applications, as well as in voltage inverter and other high temperature electronics. In these devices, the inductor helps to stabilize the voltage and provide a clean, low noise signal. This component is often seen in LED, LCD and OLED display screens where it helps to protect the screen from spikes and surges in power, providing added reliability.

In summary, the SCEP125U-4R3 is a reliable, low profile fixed inductor designed for a variety of applications. By taking advantage of high temperature operation as well as its impedance characteristics, this component is ideal for EMI filtering, DC-DC converters, and voltage inverters. Its versatility and reliability make it a popular choice in many electronics and industrial applications.

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