MF72-016D13

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Inrush Current Limiters (ICL) are devices that help protect critical circuits by limiting the amount of inrush current flowing through them at power-up. The MF72-016D13 is a popular ICL that combines surge protection and a soft start function. This article will discuss the application field and working principle of the MF72-016D13.

MF72-016D13 Applications

The MF72-016D13 has been designed to solve the problems of large direct current (DC) inrush currents created by capacitors, coils, and transformers as their respective voltage drops during the power-up period of an electrical circuit. Such inrush currents can cause damage to sensitive components like integrated circuits (ICs) and microprocessors. This ICL eliminates costly and unreliable relay-based solutions, providing reliable protection against inrush current surges for applications such as air conditioning and refrigeration systems, office automation equipment, DC motors, and lighting systems.

The MF72-016D13 is also well suited for use in communication systems, since it offers superior noise suppression capability, enabling it to provide a clean output signal with minimal interference. Apart from this, it can be used in power supply, battery charging circuits, and power management systems.

MF72-016D13 Working Principle

The MF72-016D13 is a 3-pin device with two pins connected to the power source and one pin connected to the load. When power is first applied, the device limits the inrush current by diverting it through a low resistance shunt. The amount of current diverted is determined by the size of the gap between the two pins.

Once the inrush current is limited, the remaining current is allowed to pass through the gap, and the device is effectively bypassed. This ensures that the full rated current is available to the load after the inrush current has been dissipated. The device is designed to reset itself after the power is removed, allowing it to remain effective even after multiple on/off cycles.

The MF72-016D13 is also equipped with a soft start function, allowing current to be gradually increased to the full rated value during startup. This reduces the stress on components and the power supply circuitry, thus prolonging their lifespan. It also reduces the chance of a system failure due to power-up issues.

Conclusion

The MF72-016D13 is a popular and reliable Inrush Current Limiter that provides superior protection against large inrush currents during power-up. It helps prevent damage to sensitive components and subsystems, while also minimizing system downtime. It can be used in a wide variety of applications, from air conditioning and refrigeration systems to communication systems and power management systems.

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