MS15 40004-A

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Inrush Current Limiters (ICL) are typically used to limit the surge current experienced by electrical components during their power-on phase. In those cases, where AC power is used, the ICL must be able to withstand the high peak currents seen during the initial startup transient of an AC cycle. This level of inrush current protection is typically provided by the MS15 40004-A ICL.

The MS15 40004-A is a type of ICL designed for high frequency switching applications, such as those found in AC power supplies for electronic devices. The device operates on a dual-stage concept of an actively switching MOSFET at a high frequency, followed by a series pass transistor to keep the current peaks of the surge within the specified maximum. The dual-stage approach allows the MS15 40004-A to rapidly limit the surge current before the power-on phase is completed.

The high frequency switching of the MS15 40004-A is designed to reduce the amount of heat generated during the surge, while also allowing a very high peak current to be absorbed. The device is also capable of withstanding very high voltage levels, up to 2300 volts AC. This makes the device suitable for use in industrial applications such as those with high voltage power supplies.

The MS15 40004-A is also designed to limit the total current drawn from the power source during the inrush phase. This feature helps to protect circuits in the system from excessive inrush current, and can help reduce the chances of system failure during periods of power overload.

The working principle of the MS15 40004-A is based on the principle of using active switching to limit the peak current during the surge. This is achieved by the use of a switching device such as a MOSFET, which is used to rapidly switch on and off at a very high frequency. The peak currents are then limited by the series pass transistor, which forms the second stage in the circuit.

In addition to providing high frequency inrush current protection, the MS15 40004-A is also designed to work in conjunction with a dedicated power distribution system. This allows the ICL to be used to manage the current through the system, limiting the current while also providing protection against damage during periods of overcurrent.

The MS15 40004-A is a versatile and reliable ICL which can be used in multiple applications. Its high frequency and current limiting capabilities make it ideal for a wide range of AC and DC applications, making it a great choice for protecting sensitive electronic components from inrush current damage.

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