RTEF190

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PTC (positive temperature coefficient) resettable fuses are a thermal device that uses a PTC thermistor element to provide overcurrent protection. With their low cost, light weight and compact size, PTC resettable fuses are ideal for both consumer and industrial applications.

The RTEF190 resettable fuse is a low-cost, self-resetting device optimized for overcurrent protection in industrial applications. It utilizes a PTC element to provide temperature-independent over-current protection. When the current rises above a certain level, the PTC element heats up, which increases its resistance and thus limits the current. The RTEF190 resettable fuse can then "self-reset" when the temperature of the PTC element cools down. As a result, the RTEF190 resettable fuse can provide reliable over-current protection with minimal interaction with the circuit.

The RTEF190 resettable fuse has two main working principles. First, the PTC element is designed to increase its resistance at a predetermined current level. This increase in resistance limits the current and prevents heavy loads from causing permanent damage. Second, when the current decreases to a level that is lower than the predetermined level, the PTC element cools down, and its resistance decreases. This decrease in resistance allows the circuit to function normally again.

The RTEF190 resettable fuse can be used in a wide variety of applications, including telecommunications, consumer electronics, automotive, industrial, medical, and consumer appliances. It can also be used in power supply systems, LED lighting, power inverters, motor drives, and other electronic circuits. In these applications, the RTEF190 resettable fuse can provide reliable over-current protection with minimal user interaction.

Overall, the RTEF190 resettable fuse is an ideal choice for over-current protection in industrial applications. It is low cost, light weight and compact, and can provide reliable over-current protection with minimal interaction with the circuit. With its unique characteristics, the RTEF190 resettable fuse is an excellent choice for a wide range of applications.

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