Chip mounted inductors, also known as power inductors, high current inductors, or surface mounted high-power inductors, are commonly used electronic components in modern electronic circuits. It has characteristics such as miniaturization, high quality, high energy storage, and low resistance.
SMT inductors are mainly divided into two types: with magnetic cover and without magnetic cover, mainly composed of magnetic core and copper wire. In circuits, SMT inductors mainly serve as filters and oscillators. They are widely used in power filtering circuits, with a focus on suppressing conductive interference. Due to the fact that SMT inductors are energy storage components, they can store energy and release it when needed, thereby helping to stabilize the current and voltage in the circuit.
There are various types of SMT inductors, including wound type, stacked type, braided type, and thin film chip type inductors. Among them, wound and stacked are two commonly used types. The wound inductor has advantages such as good magnetic shielding, high sintering density, and good mechanical strength, but it has low qualification rate, high cost, small inductance, and low Q value. Stacked inductors have advantages such as small size, favorable for circuit miniaturization, closed magnetic circuit, no interference with surrounding components, and favorable for high-density installation of components.
When selecting SMT inductors, important parameters need to be considered, such as inductance value, rated current, DC resistance, self resonant frequency, etc. These parameters will directly affect the performance and effectiveness of inductors in circuits.
Overall, SMT inductors play an important role in electronic circuits and are one of the indispensable components in many electronic devices.
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