RUE090

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PTC Resettable Fuses, or Positive Temperature Coefficient Resettable Fuses, are a type of current limiting fuse that is designed to prevent electrical systems from short-circuit or overload. Using a heat-sensitive thermistor, it will react to temperature changes and remain deactivated until the issue causing the overloading is cleared. Once cleared, the device will reset automatically and provide normal system protection again.

The RUE090 application field is mainly used in automotive, home appliances, communication and computer industries, as well as in any applications that require over-current protection. This type of product is known for its high withstand current, resetting accuracy, heat resistant properties, and reliability and durability. RUE090’s are well-suited for systems where high-inrush current may be an issue, as these types of fuses are able to withstand and respond quickly to overloads.

The working principle of the RUE090 is simple. This type of device contains a thermistor that is sensitive to temperature changes. When an overload or short-circuit occurs, the amount of current that flows through the circuit increases. This in-turn causes the related resistance of the thermistor to drop, generating substantial heat. This heat activates the fuse, which in-turn cuts off power until the issue is resolved. Once the current overload or short-circuit is cleared, the device will reset itself and begin providing protection again.

RUE090’s are designed to protect circuits and minimize or avoid damage to components. They are small enough to fit within appliances, electronics, automobiles, toys, and more. RUE090’s are also designed to be highly reliable, durable and accurate; ranging from 0.45 to 63 Amps.

Ultimately, RUE090’s provide a cost-effective way of protecting circuits from short-circuits or overloads. The cost of replacing damaged components can be expensive and time-consuming. By using an RUE090, users can be sure that their circuits are protected, reducing the risk of costly repairs and downtime.

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