SL22 2R018-A

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Inrush current limiters (ICLs) are specialized components used to reduce high inrush currents when an electrical system is turned on or energized. The SL22 2R018-A is an example of an ICL. This article provides an overview of the SL22 2R018-A’s application field and principles of operation.

The SL22 2R018-A is designed for use in automotive and industrial applications, where it helps to protect circuits from the high initial inrush current that occurs when circuit components are suddenly energized. This inrush current is much higher than the running current for a circuit, and can cause damages to equipment and degrade system performance.

The SL22 2R018-A addresses this problem by limiting the amount of inrush current allowed into the system. It is a medium voltage rating device that is designed to operate with Vdc up to 50Vdc. It has a specified voltage drop of 0.5Vdc during inrush current limiting and is rated for 100kA of peak inrush current. It is highly resistant to thermal, mechanical and electrical stress, and can handle up to 2000 cycles of repetitive inrush current.

When energized, the SL22 2R018-A quickly pulls in an electromagnetically induced armature into the device’s magnetic field, creating a barrier between the electrical source and load. This creates a low resistance path and minimizes the high inrush enable current, while allowing the desired running current to pass through the circuit. Thus, the SL22 2R018-A provides reliable short-circuit protection and reduces the likelihood of damage being caused to the system.

The SL22 2R018-A’s operating temperature can range from -40°C to +85°C. This allows the device to be used in a wide range of applications, from automotive to industrial, and it has a life expectancy of half a million cycling operations. It also offers a high signal-to-noise ratio, which helps reduce EMI interference and ensures clean signals.

The SL22 2R018-A is an efficient and durable inrush current limiter. Its reliable operation helps protect circuits from process-related stresses, such as inductive and capacitive loads, and prevent damage to electrical equipment. It is easy to install and flexible in terms of application, making it a great choice for a wide range of industrial and automotive applications.

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