SL32 1R036

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Inrush Current Limiters (ICL) are electronic components used to limit the inrush current, or the maximum amount of current at startup, of an electrical system. The SL32 1R036, which is a specific type of ICL, is specifically designed for automotive applications. It is suited for both starter circuits and high frequency switching power supplies. This article will discuss the application field and working principle of the SL32 1R036.

The SL32 1R036 can be used in starter circuits, such as those in cars or trucks, to limit the inrush current that is drawn when an engine initially starts. During the startup process, the starter temporarily increases the voltage in the electrical system. This increased voltage can draw an excessively high inrush current which can potentially overload and damage the system. The SL32 1R036 prevents this by limiting the current when the engine is first started.

Additionally, the SL32 1R036 can be used to limit the inrush current of high frequency switching power supplies, such as those found in computers and other electronic devices. These power supplies draw an extremely high inrush current when first turned on, which can damage the device or other components. The SL32 1R036 limits the inrush current drawn by the power supply, protecting the device and other components from potential damage.

The SL32 1R036 works on the principle of negative temperature coefficient (NTC) thermistors. An NTC is a type of semiconductor component whose electrical resistance decreases with an increase in temperature. When the SL32 1R036 is installed in an electrical system, it limits the current by rapidly increasing its resistance whenever the voltage changes or the temperature increases. This establishes a current limiting barrier within the system which prevents an excessively high inrush current from being drawn.

In addition, the SL32 1R036 also has a high temperature cycling function. This feature allows the ICL to repeatedly adjust its resistance and current limitation capabilities with each temperature cycle, ensuring that the inrush current is always kept at a safe level. The SL32 1R036 also features a low self-heating capability, allowing it to maintain a low temperature even under sustained high current conditions.

The SL32 1R036 is an invaluable component for ensuring the safe and efficient operation of electrical systems. By limiting the inrush current and providing protection from overloading, the SL32 1R036 helps protect both the system and its components from potential damage due to excessive current draw. With its high temperature cycling function and low self-heating capability, the SL32 1R036 is an excellent choice for both starter circuits and high frequency switching power supplies.

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