YPAL4.60N

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PTC Resettable Fuses are a group of electrical protection devices used for current limiting applications. In the past, fuses were used for protection, but the continuous application of high current causes the heating of the element, while the cold-cathode PTC resettable fuses effectively maintain the low residual current to reduce the element heating, thus increasing efficiency and performance. Moreover, thanks to the built-in resetting protocols, troubleshooting safety problems in electrical systems is simplified.

YPAL4.60N is a PTC resettable fuse designed for the application of surface-mount electronic equipment, such as cell phones and computers. This specific fuse is temperature-activated and features a time-delay effect to protect surface-mount electronic components from unexpected power supply over-current. The YPAL4.60N has a maximum continuous-current rating of 4.6A, with an interrupt current rating of up to 10A, making it an excellent choice for protecting electronic components from short-circuits or other unexpected events.

The working principle of the YPAL4.60N is very simple and straightforward. When the current flowing through the device is higher than its rated current, its internal resistance increases, limiting the magnitude of the current. The device then “trips” and will not allow the flow of current, thus protecting the electronic component from damage. This mechanism is called a “trip-point” or “trip-threshold”, and is triggered when the current exceeds the maximum rating. Upon tripping, the YPAL4.60N resets itself automatically after the dangerous current condition is eliminated.

The YPAL4.60N is designed to be used in environments where it is subjected to temperature fluctuations, or where the current can reach values that exceed the rated maximum. It is also suitable for use in medical equipment, industrial equipment, automotive systems, and other applications where its built-in resetting protocols provide a reliable form of protection. Special care should be taken when handling the device, as it may dissipate considerable amounts of heat.

In conclusion, the YPAL4.60N is a PTC resettable fuse specially designed for the protection of surface-mount components from unexpected power supply over-current. The device is characterized by its temperature-activated time-delay effect and its resetting protocol, which automatically responds to dangerous current conditions. It is suitable for use in a wide range of applications, however, it should be handled with care due to its heat dissipation properties.

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