PFLT.190

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PTC (Positive Temperature Coefficient) resettable fuses are a type of protective device that can be used to protect sensitive components from over-current. The PTC resettable fuses offers fast and effective over-current protection with their sensitive thermal properties.

The PFLT.190 is a radial lead PTC resettable fuse designed to protect components from short-circuits and over-current conditions up to 190 volts and 15A. It is made up of two parts, the fuse and the thermal element. The thermal element acts as a heater, and is triggered when a current greater than its rating flows through it. The fuse is then energized and quickly heats the thermal element, which results in a rapid increase in current and a shutdown of the device. This process protects the components from damage.

The PFLT.190 is ideal for applications requiring reliable and consistent resetting capabilities such as automotive, industrial control, power conversion, lighting, and other areas. It is designed to reset automatically when the over-current or short-circuit condition is removed, and it is available in both leaded and SMT packages. The PFLT.190 can also be used in reverse polarity applications, and its low clamping voltage and short time-to-trip allows for fast resetting and continuous protection.

The PFLT.190 has a working principle that is based on its ability to quickly dissipate heat. When an over-current or short circuit condition is detected, a high thermal heating element inside the fuse is energized. This quickly heats the element, which in turn causes a rapid increase in current, and then a shutdown of the device. This ensures quick and efficient protection, while allowing for a reliable and consistent resetting of the device.

The PFLT.190 is an ideal solution for any application that requires quick, efficient, and reliable over-current protection. Its fast reset time and low clamping voltage make it ideal for protecting sensitive components from damage caused by high current flows. Additionally, its reverse polarity capability and SMT package options make it versatile and cost-effective, making it a popular choice for a variety of applications.

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