SP1008R-391H

Fixed inductors are electronic components with many applications, one of which is the SP1008R-391H. This inductor is a self-shielded power inductor with high current capacity, low core loss and low temperature rise. It is designed for high efficiency boost converter applications like push-pull and flyback converters.

In the simplest terms, a fixed inductor can be thought of as a resistor or capacitor that has been wound into a coil shape. Like other components, they store an amount of energy when electricity flows through them. However, instead of energy being stored as a static charge, it is instead stored as a magnetic field. This field can then be used to do various things, such as filter out signals, amplify signals, or even store energy for later use.

The SP1008R-391H features two types of construction. The first consists of a metal core with insulated winding. This construction offers superior current capacity, but is much heavier and expensive than the second type. The second construction utilizes a ferrite core. It can offer lower current capacity but is much lighter and more cost effective.

The SP1008R-391H is used mainly in power conversion applications. This can include high efficiency boosting converters such as flyback, push-pull, or forward boost converters. In these applications, it acts as a choke to filter out noise, improve circuit stability, and reduce electromagnetic interference. In addition, its self-shielding design protects the device from external interference and its high current capacity makes it ideal for higher efficiency applications.

The SP1008R-391H’s working principle is quite simple. When a current is applied to it, the inductor stores energy in its magnetic field. This energy is then used to load the inverter when the current flow reverses direction. Additionally, this inductor also helps shape the load waveform by providing a smoother, sinusoidal wave form.

Overall, the SP1008R-391H is a cost effective and energy efficient inductor that is used in a variety of power conversion applications. Its construction, high current capacity and self-shielding make it an ideal choice for high efficiency boost converter applications. Additionally, its working principle is quite simple and ensures a smooth, sinusoidal waveform.