WVL9FJ104K

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Adjustable Inductors: WVL9FJ104K Application Field and Working Principle

Adjustable inductors, also known as variable inductors, offer high accuracy and versatility for circuit design. Adjustable inductors are also cost-effective and space-saving alternative compared to its fixed inductor counterparts, making them ideal for use in many applications. WVL9FJ104K is a spooled type variable inductor which offers a wide range of inductances for different types of loads. It is widely used in wireless communication and radio frequency (RF) applications such as automotive and aerospace systems.

WVL9FJ104K adjustable inductor features a maximum inductance value of 10.4 mH with an adjustable range between 100 nH to 10.4 mH. It has an excellent temperature variation of fewer than 0.75 % (0 - 85 °C) and can be operated with a maximum current of 1 A. Its spool size is 1.07 mm (L) x 0.4 mm (W) x 0.4 mm (H), making it an ideal choice for applications with limited space. WVL9FJ104K is designed to operate over a wide range of frequencies from 120 MHz to 30 GHz when properly incorporated into a design. It provides excellent insertion loss performance with an insertion loss of 15 dB (for a 10:1 reduction) and has a short circuit power rating of 1.3W.

The working principle behind adjustable inductors such as WVL9FJ104K is based on the inductance changes caused by varying the physical size of the coil. By altering the coil size, the amount of flux flowing through the core is changed, which ultimately leads to a change in the inductance. WVL9FJ104K adjustable inductor utilizes a rotating spool design to achieve exact inductance values. The spool is coupled to a small metallic plunger, which traverses through the central bore of the coil, varying the inductance as it is moved. This creates a very precise and efficient tuning method, allowing the inductance of the part to be adjusted over a wide range.

WVL9FJ104K adjustable inductor is also suitable for industrial, medical and consumer applications. It can be used as an adjustable inductor in RF applications such as antenna tuners, amplifiers, filters and pulse shaping networks. It is also widely used as an inductive load element in microcontrollers, power supplies and many other applications. In addition, WVL9FJ104K is highly reliable and can withstand multiple shock and vibration loads.

In conclusion, WVL9FJ104K is an excellent choice for adjustable inductor applications thanks to its wide range of inductance values and high reliability. It is cost-effective and space-saving, and has excellent temperature variation performance. Its rotating spool design ensures precise and efficient tuning of the inductance values, making it ideal for wireless communication and RF applications.

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