NF10AA0809M--

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Inrush Current Limiters (ICL)

Inrush Current Limiters (ICL) are devices that limit the instantaneous high power inrush currents that can occur when a device or system is powered up. By limiting these inrush currents, overloads and damage caused by overheating terminals or other components can be avoided. NF10AA0809M is a type of Inrush Current Limiter (ICL). This article will describe the application field and working principles of NF10AA0809M.

Application Field of NF10AA0809M

NF10AA0809M is an ideal Inrush Current Limiter (ICL) suitable for all kinds of applications, such as medical equipment, communication systems, industrial applications, computer applications, automotive industry and power supplies. With its high current limiting capability and low resistance, NF10AA0809M is an effective way to protect sensitive equipment from inrush current.

Moreover, NF10AA0809M is a RoHS compliant thermal cutoff device, which provides excellent thermal protection for electronic components. Its ultra-low thermal resistance ensures that NF10AA0809M can be used in applications requiring long-term reliability.

Working Principles of NF10AA0809M

The working principle of NF10AA0809M is based on its ability to dissipate inrush current as heat. It consists of a thin film of copper, which is heat-sensitive and softens when heated. When the power is applied, the copper film melts, and thus the current is limited. Once the power has reached a certain level, the current will begin to rise, and the copper film will liquefy and become thicker. This will form a temporary connection, allowing current to flow until the power has stabilized. After the power has stabilized, the copper film will return to its original thickness, allowing a reduced current to flow.

It should be noted that NF10AA0809M, although it can limit the inrush current, still has a relatively large on state resistance. It is therefore advisable to use an appropriate RC network in combination with the NF10AA0809M in order to reduce the voltage drop. By having an appropriate RC network, not only the voltage drop can be reduced significantly, but also the rise time of the power can be shorten.

In conclusion, NF10AA0809M is an ideal Inrush Current Limiter (ICL) suitable for various applications, due to its high current limiting capability and low resistance. Its working principles are based on the ability of the copper film to melt and provide a temporary connection when power is applied. Although it has a large voltage drop, it can be reduced significantly by using an appropriate RC network.

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