SPD125-394M

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Fixed inductors are typically used in power supplies and other electronic circuits to store energy, filter signals, and block direct current (DC) while allowing alternating current (AC) to pass. One such inductor is the SPD125-394M, which is typically used in telecom/datacom and peripheral applications.The SPD125-394M is a metal-core air-wound inductor that can operate over a wide temperature range, from -40°C to +105°C. This variety of inductor features an inductance tolerance of ±20%, a DC resistance value of 0.28Ω, and a self-resonant frequency of 39MHz. This part has a power rating of 0.9W and is AEC-Q200 compliant for automotive applications.The SPD125-394M is well-suited to a variety of applications, such as in switching power supplies, DC-DC converters, audio amplifiers, and other power conditioning systems. It can be used to store energy, filter signals, and more.The working principle of an inductor is quite simple. When a current passes through the coil, the magnetic field created around the wire generates a force that opposes the flow of current. This opposition is called inductance, and it is the amount of resistance to the flow of electric current.This property allows inductors to be used in a wide range of applications. In AC circuits, inductors can be used to block DC while allowing AC to pass. In switching power supplies, inductors are used to store energy and stabilize the output voltage. They are also used for signal filtering, as they can allow certain frequencies to pass through while blocking others.The SPD125-394M is an excellent choice for a wide range of applications. Its high temperature range and AEC-Q200 compliance make it suitable for automotive applications, while its power rating and self-resonant frequency make it suitable for telecom/datacom and peripheral applications. When correctly applied, it can store energy, filter signals, and block DC while allowing AC to pass.

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