SD18-151-R

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Fixed inductors are electrical components that store electrical energy in the form of magnetic fields when current passes through them. They are widely used in a variety of applications such as radio frequency signal filtering, power supply noise suppression, resonance and impedance stabilization, voltage step-up, and many more. The SD18-151-R is a fixed inductor with a rated output current of 18A, an inductance range of 100 mH to 1500 mH, and an operating temperature range from -40°C to +85°C.

The SD18-151-R is a chip inductor with a ferrite core construction for improved heat dissipation and temperature rise suppression. The chip construction provides a smaller size and volume, as well as low DC resistance. The inductor is also equipped with wire terminals or provided with a lead terminal type for easy installation. It is suitable for lead-free reflow soldering processes and meets the IEC 61000-4-2 standards for electromagnetic compatibility.

The working principle of a fixed inductor is based on Faraday’s Law of Electromagnetic Induction, which states that a changing magnetic field will induce an electric current in a nearby circuit. When electrical current passes through the inductor, a magnetic field is created around it. The strength of this magnetic field is proportional to the amount of current passing through it, the number of windings in the coil, and the core material used. This changing magnetic field then induces an electric current in the nearby circuit, which is called an induced current or a back EMF.

When using the SD18-151-R, the operator must take into consideration the effects of resistance and reactive component associated with it. The fields of inductance and capacitance work together to determine the electrical characteristics of the inductor. The inductance is the total amount of resistance to AC current flow through the inductor, while the capacitance determines the rate of charge and discharge of the current. The resistance can cause a drop in the inductor’s output voltage and can also cause a decrease in the efficiency of power conversion.

The SD18-151-R is a great choice for applications requiring reliable inductance performance. It is designed to handle high current and high temperature conditions, making it ideal for automotive, high-end consumer electronics, power management, and many other applications. Moreover, the low DC resistance ensures efficient power and signal conversion, while the excellent temperature characteristics and ferrite core construction ensure improved heat dissipation and temperature stability.

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