Operating parameters of automobile fuse holder_Industry Trends_News & Events

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　　　　Power systems are the backbone of modern society, supplying electricity to homes, businesses, and industries. Power system fuses play a fundamental role in maintaining the integrity and safety of these systems.　　Power system fuses are designed to protect the power grid at various levels. At the transmission level, where high - voltage electricity is carried over long distances, these fuses need to be able to handle extremely large currents. They are often installed in substations and are part of the protection scheme for transformers, transmission lines, and other key components. For example, a large - scale power transmission line may carry currents in the tens of thousands of amperes. The fuses in such a system must be able to detect and interrupt overcurrents quickly to prevent damage to the transmission infrastructure.　　In the distribution system, which delivers electricity to end - users, power system fuses also have a crucial role. They protect against faults in the distribut

October 20,2023

blower motor fuse keeps blowing.Self recovery fuse specification, must understand

　　　　Each type of circuit protection component has specifications, and self recovery fuses are no exception. So, what do you think when holding a self-healing fuse specification book? To put it bluntly, when reading the specifications, the main focus is on the parameters and the meanings they represent:　　I hold: Maintain current　　I trip: The maximum action time under the specified current;　　V max: Maximum voltage that can be withstood　　I max: Maximum current that can be withstood　　P d: Stable power consumption in high resistance state　　R: Zero power resistance measured at a certain temperature　　R 1max: The maximum resistance value measured at room temperature after one hour of action or soldering back　　Environmental temperature: The temperature of the still air around PTC　　Maximum working environment temperature: The highest ambient temperature for PTC safe operation

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

October 26,2023

what does a tv fuse look like.Factors affecting the lifespan of fuses and their evaluation

　　　　1. Factors that affect the lifespan of fuses:　　Working environment temperature:　　Excessive ambient temperature can damage the lifespan of the fuse. Delay type (slow melting type) fuses, such as tin ball type, begin to diffuse towards the metal wire when the temperature is about (150-170 ℃); The temperature at which the fusible metal wire of a quick fuse begins to undergo severe oxidation is approximately (175-225 ℃).　　Therefore, it is recommended that the delay type fuse fuse should not work above 150 ℃ for a long time, and the fast melting type fuse should not work above 175~225 ℃ for a long time.　　Pulse current:　　Continuous pulse impact can generate thermal cycling, leading to diffusion, oxidation, thermal stress, and even acceleration of the fuse. The fuse will gradually age with increasing pulse energy and frequency. Normally, it should be less than 20% to ensure that the fuse can withstand more than 100000 impacts.　　Other:　　For example, the length and cross-sectional area of t

August 17,2023

Working principle of self recovery safety tube.littelfuse smd fuse

　　　　The operating principle of a self restoring fuse tube is a dynamic balance of energy. The current flowing through the components of the self restoring fuse tube series generates heat due to the relationship between the self restoring fuse tube series. The heat generated is completely or partially dissipated into the environment, while the heat not dissipated will increase the temperature of the components of the self restoring fuse tube series. The temperature during normal operation is relatively low, and the heat generated and dissipated reaches a balance. The self-healing fuse series components are in a low resistance state, and the self-healing fuse series does not operate. When the current flowing through the self-healing fuse series components increases or the ambient temperature increases, but if the balance between the generated heat and the emitted heat is reached, the self-healing fuse series still does not operate.　　When the current or ambient temperature increases again

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Operating parameters of automobile fuse holder

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2023-04