PFMD.200.2

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PTC resettable fuses are an innovative safety feature that protects against overcurrents in a wide variety of applications. They feature low operating currents and very rapid response times, making them ideal for protecting sensitive electronic components. The PFMD.200.2 is one such type of fuse, specifically designed for automotive wiring systems.

The PFMD.200.2 is a polymeric positive temperature coefficient (PPTC) device based on a polymer resin material that changes its electrical properties at a certain temperature. When the device temperature rises, its resistance increases, creating a current limiting effect. This prevents damage to the automotive wiring system caused by an overcurrent.

The PFMD.200.2 is suitable for use in DC wiring systems such as those found in automotive, marine, and aircraft applications. It is available in a variety of current ratings, including 1.5A to 10A. The device also has a low operating current of 300mV and can be reset by simply turning off the power supply. The device also has a very rapid response time of less than a second, making it ideal for protecting delicate electronic components from damage.

The working principle of the PFMD.200.2 is based on the principle of self-regulating technology. When the current in the system rises above the rated current, the device’s internal temperature increases. This, in turn, increases the internal resistance of the PFMD.200.2, limiting the current and reducing the heat generated. The device resets automatically when the current falls below the rated current.

The PFMD.200.2 is unique in that it offers both current limitation and self-regulating protection in one device. It is also highly reliable in operation, making it an ideal choice for use in critical automotive wiring systems. In addition, the fuse is RoHS compliant, which adds another layer of safety to the application.

In summary, the PFMD.200.2 is an excellent choice for protecting DC wiring systems in a wide variety of automotive, marine, and aircraft applications. It features low operating current, fast response time, and self-regulating technology to protect delicate electronic components from damage caused by an overcurrent. RoHS compliance ensures a high level of safety and reliability, making the PFMD.200.2 an ideal choice for any application where current limitation and protection is required.

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