Series:	WVL
Part Status:	Obsolete
Inductance:	68µH
Tolerance:	±10%
Q @ Freq:	84 @ 2.5MHz
Mounting Type:	Through Hole
Package / Case:	Radial, Vertical Cylinder
Size / Dimension:	0.300" Dia (7.62mm)
Height:	0.430" (10.92mm)

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Adjustable Inductors: WVL9FJ680K Application Field and Working Principle

Adjustable inductors are a type of device used to precisely adjust an inductance value in a given electronic circuit. This is especially important in processes like tuning radio frequencies and controlling power output in radio-frequency applications. The WVL9FJ680K is one model of adjustable inductor manufactured by Vishay Intertechnology, and it has a wide range of applications. This article will discuss the applications and working principles of the WVL9FJ680K adjustable inductor.The core feature of the WVL9FJ680K is that it can be precisely tuned for inductance values when used in the correct application. The range of inductance is between 0.47 to 10.2 microhenries, and it can be adjusted with a resolution accuracy of 0.1 microhenries. It is designed for use at frequencies between 10 kHz to 1 GHz, and with power levels of up to 6 watts.The WVL9FJ680K is designed to be used in applications where circuit stability is of paramount importance. Using this adjustable inductor in a circuit is an ideal way to ensure that the output voltage and current levels remain constant, even when operating in hostile environments. It also makes sure that all components in the circuit are accurately tuned, by minimizing the influence of parasitic effects. This makes it suitable for sensitive radio frequency control systems and applications. The WVL9FJ680K can also be used in other domestic applications such as output filters and voltage-controlled oscillators. This makes it a multi-purpose adjustable inductor, capable of meeting a range of different needs.The working principles of the WVL9FJ680K adjustable inductor are based on the principles of electromagnetism. The design of the inductor consists of a solid-state moving coil of wire which is surrounded by a well-insulated, high-performance core. The core acts as a mat and provides an efficient path for the current flow and magnetic flux fields generated by the coil.Adjusting the inductance of the WVL9FJ680K is a simple matter of moving the coil forwards or backwards by a predetermined amount. In most cases, this involves turning a control knob which is wired to an adjustable screw on the internal mechanism. A greater inductance value will result in a higher voltage and current output, while a lower value will reduce this. This is very useful in applications where precise circuit tuning is required.In conclusion, the WVL9FJ680K is a versatile adjustable inductor that can be used in both domestic and industrial applications. It is designed to offer stability and accuracy in hostile environments where circuit performance is critical. It works on the principles of electromagnetism and offers a range of inductance values which can be adjusted by simply turning a dial or knob. This makes it ideal for use in radio-frequency applications, output filters, and voltage-controlled oscillators.

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