The influence of the electrical aging process of the resettable fuse on the electrical performance such as current resistance, voltage resistance, and lightning resistance; Among them, 220 V electrical aging conditions are the best. From the....

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Questions and answers about polymer resettable fuses 1. What are the main applications of polymer PTC thermistors? Polymer PTC thermistors can be used in computers and their peripheral equipment, mobile phones, battery packs, remote communi....

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Resettable fuse, the materials can be divided into two kinds: 1. Polymer PPTC; 2, ceramic CPTC, two kinds resettable fuse. According to the packaging form, it can be divided into 2 types of recoverable fuses: 1, plug leads resettable fuse; 2....

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Protection circuit for mobile phone battery. The cell of the mobile phone battery is actually relatively fragile, so complete protection measures are essential for a qualified mobile phone battery. Here is the text: 1. Current protection of....

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1. The structure and characteristics of the speaker system: The speaker system is composed of a tweeter, a midrange unit, a bass unit, and a frequency divider that distributes signals. 2. Why protect the tweeter and midrange unit: The tweete....

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Why should the transformer be specially protected by a self-recovery fuse? The damage of the transformer is mainly due to low-level overvoltage, secondary short-circuit, and overcurrent. This will cause the transformers copper loss (heat lo....

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Fluorescent lamps need a ballast to generate high voltage and large current to energize. The ballast controls the electrical characteristics of the fluorescent lamp. When the lamp is turned on, the electronic ballast is at both ends of the l....

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1. PTC rated zero power resistance The resistance of the PTC resettable fuse should be packaged in stages according to the zero power resistance, and the resistance range should be marked on the outer package. After the pressure and current....

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The main function of Resettable fuse is to do over-current protection in electrical appliances. Therefore, Resettable fuse has parameters such as voltage resistance, current resistance, maintenance current, and operating time. Therefore, it....

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Resettable fuse is composed of specially treated polymer resin (Polymer) and conductive particles (Carbon Black) distributed in it. Under normal operation, the polymer resin tightly binds the conductive particles outside the crystalline stru....

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