MF72-060D9

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Inrush Current Limiters (ICLs) are designed to reduce the inrush current of a circuit upon power-up. The primary function of this type of device is to protect the circuit from current overloads and voltage spikes that could potentially damage components.

The MF72-060D9 is a small format ICL developed, manufactured, and marketed by Murata Electronics. This device is a quick-acting, non-replaceable, current-limiting device that is designed to reduce the inrush current of circuit boards during power-up of application specific electronic equipment. The MF72-060D9 reduces the peak current to the desired safety levels that may arise during device turn-on.

The application field of the MF72-060D9 is most commonly seen in power supply designs. The device is placed in series between the DC power supply and the rest of the circuit, and it limits the inrush current when the power supply turns on. It is particularly useful for designs that require increased protection since it is capable of limiting the inrush current for both AC and DC applications. It is used in a variety of industries such as consumer electronics, automotive, medical, and industrial applications.

The working principle of the MF72-060D9 is based on an inductive component coupled with a soft start time. When the current flows through the device, the inductor stores energy. This energy is then used to create a controlled ramp up of the inrush current, which prevents any large current spikes from occurring when the device is turned on. The device also features an internal thermal protection circuit. This circuit is designed to shut down the device if the temperature inside the device gets too high.

Overall, the MF72-060D9 is an effective and reliable ICL for designs requiring greater inrush current protection. It is ideal for a variety of applications due to its small size, low maximum operating temperature, and wide input voltage range. Additionally, the device has a built-in thermal protection circuit, making it an excellent choice for higher temperature environments. With its quick-acting, non-replaceable design, the MF72-060D9 ensures that inrush currents remain low throughout the life of the product.

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