CIL21NR18KNC

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Fixed inductors play a huge role in low-frequency and low-level signal circuits. A particular fixed inductor of note is the CIL21NR18KNC. This component is widely used in the fields of telecommunications and medical and military electronics, and is most often used in frequency-selective circuits, such as low-pass and band-pass filters, for decoupling and coupling the power supply, for the shielded antenna circuits and active filters, as well as the harmonic suppression filters in the stage of AUDIO power amplifiers. The CIL21NR18KNC is a high energy and high current inductor that features low losses and high inductance stability. So what is the working principle of the CIL21NR18KNC?

The CIL21NR18KNC is a multi-turn,-type winded inductor featuring a ferrite core. This allows it to effectively increase its inductance even under high frequency and high current operations, which is the key reason why this inductor is widely used for high-volume applications. A typical example is its use in telecom systems, where the inductor is used to effectively absorb and convert the high-frequency energy. The inductor works in tandem with the other components of the telecommunications system, such as the capacitors and transistors.

The CIL21NR18KNC also has the advantage of being highly efficient. This allows it to store more energy within a smaller space, thereby increasing its inductance-to-space ratio. The common working frequency of the CIL21NR18KNC ranges from 100MHz to 500MHz, allowing it to effectively attenuate noise and signal harmonics. In addition, the inductor also features high saturation current and an excellent frequency response curve, making it an ideal choice for high-end, precision applications.

In terms of its construction, the CIL21NR18KNC consists of a base metal, such as copper, which is plated with nickel and coated with varnish, to ensure its long-term reliability. The ferrite core material is specially selected to minimize the core losses, thus improving the efficiency of the inductor. The inductor also has special winding technique, which confines the worked current into a small area, thus further improving the efficiency of the component. The compact design of the component also allows it to fit into smaller, confined areas within the PCB.

To sum it up, the CIL21NR18KNC is a highly efficient, multi-turn inductor featuring low losses, high inductance stability, and excellent efficiency. These characteristics make it a suitable choice for a wide range of applications, in particular for telecommunications and medical and military electronics. The high-current, high frequency winding technique not only increases the inductance, but also improves the efficiency of the inductor, which makes it an ideal choice for high-end precision applications.

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