NF15AA0120M--

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Inrush Current Limiters (ICL)

Inrush Current Limiters (ICLs) are devices that limit the inrush current when switched onto a power source, limiting the amount of current drawn from the source. ICLs are typically used to protect devices such as start-stop circuits, transformers, relays, and other electronics items. NF15AA0120M is one such device, and in this article we will discuss its application field and working principle.

Application Field

The NF15AA0120M Inrush Current Limiter is used in various applications as a protective device. It is typically found in the power supply systems of electronic equipment, domestic and industrial electronic systems, power systems, and medical equipment. It is also common in surge protective devices, such as Lightning Arrestors, Transient Voltage Suppressors, and specialty power conditioners.

The NF15AA0120M can be used in industrial power circuits, AC motor drives, DC power supplies, and power distribution systems. It also has applications in photovoltaic panels, larger UPS systems, generators, electro-mechanical actuators, pipe line drives, and other industrial applications.

Working Principle

The working principle of the NF15AA0120M Inrush Current Limiter is based on its design. It contains two semiconductor components, a resistor and a varistor, which provide electrical resistance and voltage clamping functions. The resistor limits the inrush current when the switching device is initially turned on and therefore minimizes power surges.

The varistor provides a voltage clamping function that limits the voltage peak previously generated when the device is switched on. This ensures that the voltage of the power supply is kept within safe limits. The varistor also serves to suppress the voltage transients generated in the power supply when the switching device is actuated.

The NF15AA0120M Inrush Current Limiter also has the ability to dampen the high frequencies on the power line. It is able to respond quickly to a power surge, suppressing the peak voltage on the power line and preventing it from damaging the electronics.

Conclusion

The NF15AA0120M is an Inrush Current Limiter that can be used for protection in various AC power supply systems. Its design includes two semiconductor components, a resistor and a varistor, that provide electrical resistance and voltage clamping functions. This allows it to limit both the inrush current and the peak voltage on power lines, as well as dampening high frequencies on the power line, thus preventing power surges from damaging sensitive electronics.

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