AS35 0R550

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Inrush Current Limiters (ICL) are a type of circuit component used to limit the surge of current at the start up of a circuit. AS35 0R550 is one such type of ICL, which is becoming increasingly popular as it offers a more safe and reliable start up of power-up circuits. This article will explore the application fields of AS35 0R550 and its working principle.

AS35 0R550 is a polymeric positive temperature coefficient (PPTC) device, mainly used in a variety of electronic equipment and electrical appliances. Some common applications include Variable Frequency Drives (VFDs), motor starters, electronic ballasts, power supplies, UPSs, and solar inverters. It is also used as an overload, short circuit and surge protector in a power-up circuit. ICLs like the AS35 0R550 are suitable for applications requiring a high starting current, such as motors and lamps.

The working principle of AS35 0R550 is relatively simple. When the circuit is in the off-state, the resistance of the device is infinite. When the power is switched on, current begins to flow, generating heat. This heat causes the resistance of the device to decrease accordingly. When the resistance reaches a preset value, the current limit is reached, and the device acts to protect the circuit from current overload. This working principle is repeated until the set current limit is met.

AS35 0R550 is also notable for its advantages over other ICLs. For example, it offers a more reliable overcurrent protection for electrical circuits. It has a high temperature tolerance, with its resistance increasing as the temperature rises, providing an extra safety measure for the circuit. It is also self-resetting, eliminating the need for a reset button or manual resetting. In addition, it has a small size and low power consumption, making it suitable for use in a variety of applications. Finally, it is relatively easy to install and easy to replace if needed.

In conclusion, AS35 0R550 is an ideal choice for applications that require a high amount of current, as it offers a reliable and safe start up of power-up circuits. Its advantages over other inrush current limiters ensure that it will remain a popular choice among engineers and technicians. With its small size and low power consumption, it is the perfect choice for many applications, such as VFDs, motor starters, electronic ballasts, power supplies, and UPSs.

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