What is the Function of Patch Self Recovery Fuses

时间： 2023-12-28 来源：XC News

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patch self recovery fuses,PPTC,SMD self recovery fuse,Self recovery fuse

For some industry newcomers, may not know the definition and function of patch fuses. patch self recovery fuses are used to protect electronic devices from damage in the event of circuit abnormalities, greatly reducing damage. A common fuse is a fusible fuse inside a light bulb, so what is a patch self recovery fuse? According to the literal meaning, it can automatically restore to a normal state. What is the function of a patch self recovery fuse? SMD self recovery fuse is a type of overcurrent electronic protection component, which is made of polymer organic polymers under high pressure, high temperature, and vulcanization reaction conditions, and is processed by a special process after adding conductive particle materials. SMD self recovery fuse is a positive temperature coefficient polymer thermistor that can replace current fuses.

The temperature during normal operation of the patch self recovery fuse is relatively low, achieving balance. When in a low resistance state, it does not work. When the current flowing through the patch self recovery fuse increases or the temperature rises, but the generated heat and emitted heat are still balanced, it still does not work. When the current or ambient temperature increases again, the patch self recovery fuse will reach a higher temperature. If the current or ambient temperature continues to increase at this time, the heat generated will be greater than the heat dissipated, causing the temperature of the patch self recovery fuse to suddenly increase. At this time, a small temperature change will cause a significant increase in resistance, and the patch self recovery fuse is in a high resistance protection state. After troubleshooting, it will quickly cool down and return to its original low resistance state, restarting work.

high temperature, and vulcanization reaction conditions, mixed with conductive particle materials, and processed through a special process. Self recovery fuse (PPTC: Polymer self recovery fuse) is a positive temperature coefficient polymer thermistor used for overcurrent protection and can replace current fuses. According to actual market demand, the self recovery fuses are divided into two types: patch self recovery fuse and plug-in self recovery fuse. The function of the patch self recovery fuse: During normal operation, the temperature is relatively low, and the heat generated and emitted reaches a balance. The PPTC component is in a low resistance state and does not act. When the current flowing through the PPTC component increases or the ambient temperature increases, but if the balance between the generated heat and the emitted heat is reached, the PPTC still does not act. When the current or ambient temperature increases again, the PPTC will reach a higher temperature. If the current or ambient temperature continues to increase at this stage, the generated heat will be greater than the dissipated heat, causing a sudden increase in the temperature of the PPTC component. At this stage, a small temperature change will cause a significant increase in resistance, and the PPTC component is in a high resistance protection state. After troubleshooting, the PPTC component quickly cools down and returns to its original low resistance state, allowing it to function again like a new PPTC component.

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What is A Self Recovery Fuse

Self recovery fuse is an overcurrent electronic protection component that uses a polymer organic polymer under high pressure, high temperature, and sulfurization reaction conditions.After mixing with conductive particle materials, it is processed through a special process. Habitually applying PPTC (Polymer Positive Temperature).

2023-12-05 - 设计经验代理服务技术支持现货查询批量订货

The Selection of Miniature Fuses

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Experience in Selecting Self Recovering Fuses

Do you have any good experience to share in selecting self recovering fuses? Self recovery fuse is an overcurrent electronic protection component, which is made of high molecular weight organic polymers under high voltage, high temperature, and sulfurization reaction conditions, mixed with conductive particle materials, and processed through special processes.

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