L-14C22NJV4T

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The L-14C22NJV4T is a fixed inductor, primarily used in power supplies and power factor correction circuits. The device is composed of a flat magnetic core and two coils, one of which is coupled to a resistor, and the other to a capacitor. The magnetic core directs and increases the magnetic flux, allowing the device to increase current in applications with constant voltage and frequency. The construction of the device, when coupled with the appropriate components, allows for a higher inrush current (up to twice the rated value).

As its name implies, the L-14C22NJV4T works by creating an inductance. An inductance is created with a core in the middle, around which two coils are placed. It works by inducing an EMF when a current is applied to the primary coil. This induced EMF causes a current in the secondary coil, inversely proportional to the applied voltage. This current in the secondary coil results in an opposing Magnetic field, creating a back EMF (this is known as Lenz’s Law). This back EMF opposes the applied voltage, thus reducing the current in the secondary coil.

In terms of applications, the L-14C22NJV4T is primarily used in power electronics due to its ability to sustain high inrush currents while remaining thin. An example of this would be a power rectifier, where the need for a high current to switch the capacitor is present but the space in the design is limited. The device is commonly used in other applications as well, such as harmonic filters, EMI/RFI, switching power converters, and power factor correction circuits.

The working principle of the L-14C22NJV4T is simple, although the implications of this principle are far reaching. In brief, the device works by creating an inductance, using two coils and a magnetic core. An EMF is induced in the primary coil when a current is applied, which causes an opposing current in the secondary coil. This current in the secondary coil creates a back EMF, opposing the applied voltage and reducing the current in the secondary coil. The ability of the device to sustain high inrush currents makes it especially useful in power electronics in applications such as rectifiers, EMI/RFI, harmonic filters, and power factor correction.

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