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September 16,2023

The Development History of Fuses.fast blow or slow blow fuse for multimeter

　　　　In the 1880s, since Edison invented the light bulb and failed countless experiments on tungsten wire, it also opened up the development history of fuses. The success of light bulbs has also driven the development of fuses. With the development of society and the increasing strength of electrical appliances, the fuse industry has also experienced rapid development.　　In daily life, the widespread application of the electronic age has led to the emergence of various types of electrical designs, with changes in both appearance and circuit structure. Therefore, the requirements for fuses are also greatly different, with modifications and upgrades made in terms of appearance/size/installation form/material/structure/specification/characteristics/application, all in order to better apply them in circuits, The development of these small fuses has gone through four revolutionary innovation milestones.　　Due to slight differences in the development of industries and environmental conditions a

July 19,2023

Breaking capacity of glass sealed fuse.ptc reset fuse

　　　　Also known as rated short-circuit capacity, it refers to the maximum current value (AC is the effective value) that a fuse can safely break under rated voltage. It is an important safety pointer for fuses. The code for breaking capacity is Ir.　　That is, the time/current characteristic (also known as the ampere second characteristic). There are usually two expression methods, namely I-T diagram and test report. The I-T diagram is a curve formed by connecting the average fusing time coordinate points of fuses under different current loads in a coordinate system composed of load current as the x coordinate and fusing time as the y coordinate. Each model and specification of fuse has a corresponding curve that represents its fusing characteristics. This curve can be used as a reference when selecting fuses. A test report is a record of test data conducted in accordance with standard requirements for testing projects. Our I-T chart and test report are both based on the data measured und

August 12,2023

How to prevent current fuse holder failure?mini blade fuse kit

　　　　1. Carefully select the correct current fuse　　The application, operating parameters, and environment of fuses can all affect their lifespan, so choosing the correct fuse is very important.　　2. Ensure the rationality of circuit design　　Faults in circuit design can also lead to fuse failure, which can be catastrophic. Only by ensuring that the equipment operates within a larger rated range can faults be avoided.　　3. Reasonable use of fuses　　Correct use can avoid faults caused by errors, and it is also important to control the ambient temperature of the fuse used, which helps to reduce the possibility of current fuse holder failure. If you are unfamiliar with the use of fuses, you can directly consult the fuse manufacturer.

September 08,2023

Which is better, disposable fuse or self restoring fuse.surface mount fuse letter code

　　　　From a structural perspective, a self restoring fuse is composed of a polymer polymer, essentially a positive temperature coefficient thermistor. It provides circuit protection through the positive correlation between the resistance value of PTC material and temperature, as well as the sudden change at the Curie temperature point. It can be reused without frequent replacement; Disposable fuses are made of ordinary fuse materials, so they cannot be used again after each action and require frequent replacement.　　From the perspective of working action, they can all be used for overcurrent protection of circuit currents and can be interchanged in many occasions. For example, in battery protection applications where overcurrent protection requirements are not too high, these two types of products can both lead the way and can even be replaced, and most of the time, each has its own field.　　In the protection application of certain important devices such as ICs, or in the input/output ter

September 09,2024

How to choose fuses for blockage experiments

　　　　Rated current: Understanding the rated current of the equipment or motor you are testing is crucial. The rated current of the fuse should be greater than the rated current of the equipment to ensure that the fuse will disconnect the circuit and provide overload protection when the current exceeds the set threshold during the experiment.　　Short circuit protection: In the stall experiment, the equipment may generate huge currents due to overload or stall. It is important to choose fuses with lower melting current and fast melting characteristics to prevent equipment from overheating or damage.　　Freeze voltage: Select the fuse according to the voltage requirements of the equipment. The freeze voltage of the fuse should match the operating voltage of the equipment to ensure that the fuse can function properly during the experiment.　　Temperature characteristics: In the stall experiment, the equipment may generate high temperatures. Choosing fuses with appropriate temperature coefficient

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Operating parameters of automobile fuse holder

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2023-04