YPAL0.80T Circuit Protection

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PTC Resettable Fuses, or Polymeric Positive Temperature Coefficient Fuses, are overcurrent protection devices that are designed to protect electrical circuits from overcurrent. The device consists of a plastic body filled with a special polymer. When exposed to a current exceeding its rated current, the temperature of the device increases. This causes the fuse to melt and increase in resistance, creating a temporary open-circuit. The device then resets itself when the fault is removed and the temperature returns to normal, allowing the circuit to return to normal operation.YPAL0.80T, a family of PTC Resettable Fuses, is designed to protect primary overcurrents in numerous industrial and consumer applications. Its design features a low resistance copper lead with an upper and a lower silicon dioxide insulation layer which improves heat dissipation. Winding and high nickel-based alloys are optimized for a reliable resetting function.These PTC Resettable Fuses are commonly used in applications involving power supplies, battery chargers, circuit boards, air conditioners, pumps, washing machines, and electric motors. They are designed to take the initial current surges associated with motor and transformer start-up current conditions as well as serve as a spare for short circuit protection in any DC load circuit. YPAL0.80T PTC Resettable Fuses work by using a particular current-sensing element, known as the reset thickness. It consists of a durometer blend polymer from which the fuse takes its name, as well as a selection of micro-closed particles. It is set at a certain point to prevent overcurrents from flowing. As the load current continues to flow, the temperature of the device increases. When the temperature reaches a certain point, a permanent open-circuit is created. This causes the fuse element to shift, creating an open circuit and disabling the flow of current. The device then resets itself when the temperature returns to its normal starting point.YPAL0.80T PTC Resettable Fuses have a rated pulse current of 8 amperes, a 25A hold current, and an operating temperature range of -40°C to 85°C. They are also shock- and vibration-resistant and have an increased resistance to vibration due to their higher lead density. Lastly, their resistance to short circuit current is much greater than traditional ceramic fuses.In conclusion, YPAL0.80T PTC Resettable Fuses are used in a wide variety of industrial and consumer applications, to protect against overcurrent and short circuit events. These devices are designed to be used as both primary and supplemental protection for power supplies, battery chargers, circuit boards, air conditioners, pumps, washing machines, electric motors, and other DC load circuits. Their permanent open-circuit feature provide a reliable resetting function, shock and vibration resistance, and an increased resistance to short circuit currents. YPAL0.80T PTC Resettable Fuses are the ideal choice for any high current application where reliability and safety is of utmost importance.

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