SRR1240-391K

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Fixed inductors are electrical components that maintain a constant inductance regardless of changes in the circuit environment, such as load current. These components are primarily used to introduce the desired amount of inductance into the electrical or electronic circuit. One of the most popular fixed inductors is SRR1240-391K.

The SRR1240-391K is available in two different varieties; one is rated for a power rating of 10W and the other is rated for 20W. The inductance range of the 10W SRR1240-391K is between 10uH and 200uH, while the 20W version is available in inductance values from 100uH to 2000uH. The rated current of the 10W version is between 250mA and 2A, while the 20W version has a rated current of between400mA and 3A. In terms of physical size, the 10W version is 47.6mm x 34.2mm, while the 20W version is 48.5mm x 36.4mm.

The SRR1240-391K has a frequency range of up to 1MHz and a temperature range of -55 to +-105 Celsius. It features an ultra low DC resistance, making it an ideal choice for a wide range of applications. It is also highly resistant to temperature variation, humidity and vibration, making it very reliable in tough environments. The working principle of the SRR1240-391K is relatively simple; the inductor is a wire wound around a core material and when current is applied to the wire, it produces a magnetic field. The inductance of the inductor is determined by the amount of wire wound around the core, as well as the core material.

The SRR1240-391K is primarily used in power circuits, such as LED drivers,off-line AC-DC converters, and switching mode power supplies. It can also be used in filter circuits, such as band-pass and notch filters. This component is also ideal for automotive, telecommunication, and military applications, due to its high temperature and vibration resistance.

In conclusion, the SRR1240-391K is a robust and reliable fixed inductor that can be used in a wide range of applications, from power circuits to filter circuits. It is rated for up to 1MHz, and features an ultra low DC resistance, making it a suitable choice for many demanding applications.

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