WVL9EB270K

Series:	WVL
Part Status:	Obsolete
Inductance:	27µH
Tolerance:	±10%
Q @ Freq:	92 @ 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 – WVL9EB270K Application Field and Working Principle Inductors are electronic components that store energy in the form of electromagnetic flux. A type of variable inductor, adjustable inductors are used for applications where an adjustable level of inductance is needed. The WVL9EB270K is one such adjustable inductor. This paper will discuss the application field and working principle of WVL9EB270K adjustable inductors. An adjustable inductor is employed in a variety of applications, including filter circuits, radio frequency circuits, and power electronic circuits. They are especially useful for applications which require an adjustable level of inductance or inductive reactance, such as broadcast receivers, antenna tuning, wideband amplifier circuits, and filter circuits. Generally, adjustable inductors are designed to be able to increase or decrease the inductance with a predetermined range. For the WVL9EB270K, the inductance range is between 18nH and 270nH. Adjustable inductors, like the WVL9EB270K have two main parts: the inductor itself and the adjustable core. The adjustable core regulates the inductance of the inductor. It is attached to a circuit board and is connected to an external circuit. By varying the position of the adjustable core, the inductance of the inductor can be adjusted. The WVL9EB270K adjustable inductor uses a split-coil design, which refers to the arrangement of the inductor’s coils. The coils are divided into two separate groups in the same coil package. The two groups of coils are Tesla coils, which carry alternating current. The voltage in one group of coils is out of phase with the voltage in the other group, which produces an alternating magnetic field that can be adjusted by moving the adjustable core. The working principle of the adjustable inductor is based on the concept of inductance and the relationship between inductance and the magnetic field. The AC current in the Tesla coil pairs produces a magnetic field that extends around the outside of the inductor. When the adjustable core is moved, the magnetic field is adjusted accordingly. This adjustment changes the inductance of the inductor, which in turn affects the current flowing through the circuits. In summary, the WVL9EB270K adjustable inductor is a useful component for applications that require an adjustable level of inductance or inductive reactance. Its split-coil design, consisting of Tesla coils, allows for an adjustable magnetic field that can be manipulated with an adjustable core. This magnetic field determines the inductance of the inductor, which is used to regulate the current in the circuits. By understanding its application field and working principle, engineers are able to better utilize adjustable inductors in their designs.

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