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September 11,2023

Application Explanation of Self Recovery Chip Fuses in Microcontrollers.7.5 amp mini blade fuse

　　　　PTC self recovery patch fuse is used for overcurrent protection between motherboard power supplies and backend equipment overcurrent protection. Regarding the issue of PTC self recovery patch fuse for short circuit and overcurrent protection outside the microcontroller. The output port of the microcontroller has direct external wiring. If there is a wiring error, it is easy to burn out the IC. In addition, if there is a load overload, it can also burn out the IC. Therefore, the output port of the I/O port is usually connected in series with a self recovery patch fuse for overcurrent protection.　　In microcontroller circuit protection, disposable fuses or fuse resistors are also used for protection. Glass tube fuses and fuse resistors are traditional protection applications, with the advantage of low cost.　　However, this application has gradually been phased out, and PTC self recovery patch fuses have been used instead. Due to the fact that disposable fuses only fuse for overcurrent

August 22,2023

Regarding the issue of 20A internal fuse clip.fuse clips hs code

　　　　We know that most fuse clips are made of metal, and the general domestic market requires them to be made of brass material. Because brass has the advantages of good stability and conductivity, choosing brass as a fuse clip is a good choice.　　After understanding the material of the fuse clip, we came up with the question: "So, are there any drawbacks to this material?" This answer is answered in the article "Analysis of Common Problem Cases of Fuse Clips", and today we are going to discuss related issues related to fuse clips within 20A.　　Firstly, when installing fuse clips, there may be situations where the elasticity of the fuse clips is poor. After installing and replacing the fuse several times, the elasticity of the fuse clip gradually deteriorates, and even ends up completely without elasticity. For such problems, it is generally recommended to use clamps made of phosphorous copper material, but they still have defects. Phosphorous copper has good toughness, but poor conductiv

September 23,2023

How to Choose the Rated Voltage and Current of Chip Fuses.30 amp screw in resettable fuse

　　　　How to choose the rated voltage and current of a patch fuse: The rated voltage of a patch fuse depends on the current flowing through it, and is not related to the working voltage of the circuit. From the perspective of safe use, the rated voltage of SMD fuse is proposed, which is the highest working voltage of the circuit when the SMD fuse is in a safe working state. This means that fuses can only be placed in circuits with a working voltage less than or equal to the rated voltage of the fuse. Only in this way can the fuse operate safely and effectively.　　The voltage drop at both ends of the patch fuse is very small, much lower than the rated voltage of the patch fuse. Therefore, during normal operation, the rated voltage has no practical significance. The true significance of the rated voltage of patch fuses lies in their safety performance. Chip fuse, as a safety component, must be relatively safe during normal operation, protective action, and any time period after melting. The

September 14,2023

The impact of the development trend of the electronic industry on the fuse industry.mini fuse vs micro fuse

　　　　Electronic components are entering a new generation of components era dominated by new electronic components, which will basically replace traditional components. Electronic components have changed from being mainly improved to meet the miniaturization and new process requirements of the entire machine, to a stage of industrial development that mainly meets the characteristic requirements proposed by the development of digital technology and microelectronics technology, and is a complete set of requirements.　　In recent years, the demand for information technology, mobile and consumer electronic devices in the market has sharply increased, and with the increasing functionality of products, the risk of unexpected situations in such electronic devices has correspondingly increased. Manufacturers' safety awareness in overall circuit protection design has also been continuously improved, and the production capacity of the fuse market has continued to expand.　　The mainstream trend of ele

November 07,2023

eve temperature balancing mattress protector.Principles for selecting fuses and fuses

　　　　1. Select the model of the fuse according to the circuit requirements and installation conditions. For circuits with small capacity, choose semi enclosed or unfilled enclosed; The choice for high short-circuit current is the enclosed type with fillers; Select fast fuses for semiconductor component protection.　　2. Select the rated voltage of the fuse according to the line voltage.　　3. Select the rated current of the fuse according to the load characteristics.　　4. The selection of different levels of melts requires mutual coordination, with the latter level being smaller than the previous level. The current on the main switch and each branch line is different, and the selection of fuses is also different. If a short circuit occurs in the circuit, the 15A and 25A fuses will fuse simultaneously, and the protection characteristics will lose selectivity. Therefore, only by maintaining a 2-3 level difference between the main gate and the branch can such a phenomenon not occur. If the low-

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Fuseless car charger, carefully burn your phone

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2023-04