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August 25,2023

Features of plug-in self recovery fuse.resettable fuse hold current

　　　　PPTC self recovery fuse is an overcurrent protection component that can automatically reset. It is made by adding conductive particle materials to a polymer organic polymer under high pressure, high temperature, and vulcanization reaction conditions, and processed through a special process.　　The PPTC self recovery fuse plug-in packaging series is divided into A6 (6V), A16 (16V), A30 (30V), A60 (60V), A72 (72V), A120 (120V), A240 (240V), A250 (250V), A600 (600V) series, which are distinguished by different withstand voltage values.　　Product features:　　After circuit obstacles are eliminated, the fuse automatically recovers without the need for manual replacement. It can be reused and reduces costs.　　Fast action time and recovery time increase reliability.　　Safety certification: UL, compliant with ROHS certification.　　The PPTC self recovery fuse of the plug-in has higher voltage and greater current than the patch, better meeting customer needs.　　Application:　　Line protection, power ou

July 05,2023

Basic composition of fuses.how to test a refrigerator bimetal thermostat

　　　　A general fuse consists of three parts: one is the melt part, which is the core of the fuse and plays a role in cutting off the current when blown. Fuses of the same type and specification should have the same material, geometric size, resistance value as small and consistent as possible, and the most important thing is to have consistent fusing characteristics. Household fuses are commonly made of lead antimony alloy; The second is the electrode part, which usually has two important components that connect the melt to the circuit. It must have good conductivity and should not generate obvious installation contact resistance; The third part is the support part. The melt of the fuse is generally thin and soft. The function of the support is to fix the melt and make the three parts a rigid whole for easy installation and use. It must have good mechanical strength, insulation, heat resistance, and flame retardancy, and should not produce phenomena such as breakage, deformation, combus

September 05,2023

Application Scheme of PTC Self Recovery Fuse in Network Television Converter.blower motor fuse keeps blowing

　　　　The network TV converter is a necessary equipment for watching network TV, which is increasingly favored by young people. However, due to the transmission of network signals through coaxial cables and long-distance communication, there are safety issues in applications such as installation wiring errors, short circuits, ESD damage, induced high voltage damage, lightning damage, etc. It is necessary to design overcurrent protection and overvoltage protection, To ensure the service life and reliability of network TV converter equipment.　　Among various protection circuits, the protection circuit with the least components, the lowest cost, and the highest reliability is the PTC self recovery fuse element and the circuit that PTC cooperates with varistors or TVS tubes.　　PTC self recovery fuse, also known as ten thousand fuse or self reset overcurrent protector, is also known as polymer polymer switch. In general, a PTC overcurrent protector can be combined with a varistor or TVS tube. C

November 08,2023

temperature regulating mattress protector.Professional knowledge of self restoring fuses

　　　　The operating principle of a self-healing fuse is a dynamic balance of energy. The current flowing through the self-healing fuse generates a certain amount of heat due to the thermal effect of the current (self-healing fuses all have resistance values), and the generated heat is completely or partially dissipated into the environment. The heat that is not dissipated will increase the temperature of the self-healing fuse components. The temperature during normal operation is relatively low, and the heat generated and dissipated reaches a balance. The self-healing fuse element is in a low resistance state, and the self-healing fuse does not operate. When the current flowing through the self-healing fuse element increases or the ambient temperature increases, but if the balance between the generated heat and the emitted heat is reached, the self-healing fuse still does not operate. When the current or ambient temperature increases again, the self-healing fuse will reach a higher tempe

September 19,2023

Application of SMD fuses in independent equipment.samsung tv ceramic fuse replacement

　　　　SMD fuse, also known as SMD chip fuse, is a type of SMD packaged fuse that has a wide range of applications due to its small size and chip type. Its application in some independent devices is gradually playing an irreplaceable role.　　The scope of battery powered equipment has expanded from powerful hand tools for craftsmen to sensors for housing supervision and even medical assistance services. The security of such devices faces enormous challenges. To ensure safe operation of these independent devices, JDTFUSE offers two SMD fuses with low power consumption and high tolerance tripping time.　　In 2010, billions of lithium-ion batteries were manufactured worldwide. At the same time, the application fields of these products are also constantly expanding. Currently, battery powered devices are ubiquitous. Although these convenient tools are very practical, they have always been a source of danger. This type of equipment is prone to fire, and excessive current can also damage the circui

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Fuseless car charger, carefully burn your phone

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2023-04