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August 08,2023

Understanding Fuses.fast blow fuse rating

　　　　1、 Current Rating (In)　　The rated current of a fuse refers to its nominal rated current, usually the maximum current that a circuit can operate. The ability of a fuse to carry current, with each fuse having its specific rated current, which needs to be determined through a clear test condition. Once the current exceeds its rated value (a predetermined period of rated current), the fuse will timely open the circuit.　　Incorrect selection: Using the current value that the fuse is expected to blow as the rated current value.　　2、 Voltage Rating (Un)　　The rated voltage of a fuse refers to its nominal rated voltage, usually the maximum voltage that the fuse can withstand after disconnection. In order to ensure that the fuse can safely disconnect the short-circuit current in its related circuit, it must be operated at a working voltage lower than or equal to its rated voltage.　　Incorrect selection: The rated voltage of the fuse must match the circuit voltage!　　3、 Ambient temperature　　The a

September 09,2023

The development trend of circuit protection components is optimistic.glass tube fuse vs blade fuse

　　　　(1) With the demand for the development of electronic products, the functionality (integration) of ICs is also becoming stronger, and their "value" is naturally becoming more noble, so it is necessary to strengthen protection.　　(2) In order to reduce power consumption, reduce heat generation, and extend service life, the working voltage of semiconductor components and ICs is getting lower and lower. According to SIA (American Semiconductor Industry Association) statistics, the current working voltage is around 1.5V, and it will drop to below 1.2V by 2004. Therefore, its ability to withstand overcurrent/overvoltage needs to adapt to new protection requirements.　　(3) There are more and more mobile electronic products, such as handheld devices, PDAs, laptops, camcorders, digital cameras, jukeboxes, etc. These electronic products require battery components as power sources, and protective components must be equipped in both battery components and battery chargers.　　(4) In modern luxury

December 08,2023

motor thermostat vs thermistor.Knowledge of overcurrent and overvoltage protectors

　　　　With the development of electronic technology and the upgrading of electronic products, the requirements for reliability and safety of power electronic products are increasing day by day. How many users are troubled by issues such as electrical leakage, burning of computer hosts, and explosion of mobile phones, and how many products have been delayed from being launched due to failure to pass safety testing. The diversification and complexity of problems have led to the rapid development of circuit protection components, and today's protection devices have developed into a diverse emerging field of electronic components.　　Faced with such a complex and diverse field, we have many questions. What is the development trend of protective devices? What parameters should application engineers choose appropriate protective devices based on?　　What factors should be considered in circuit design? How to handle failure analysis when encountering a faulty machine? In response to these issues, W

July 04,2023

Basic composition of fuses

　　　　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 lead; 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, c

October 18,2024

High-Speed Fusing Chip Fuses

　　　　High-speed fusing chip fuses play a crucial role in protecting electronic circuits. These fuses are designed to quickly interrupt the flow of current in the event of an overcurrent or short circuit, preventing damage to sensitive electronic components.　　One of the key features of high-speed fusing chip fuses is their fast response time. These fuses can react within milliseconds to an overcurrent condition, providing rapid protection for the circuit. This is especially important in applications where a delay in fuse operation could result in significant damage to the electronics.　　Another important characteristic of high-speed fusing chip fuses is their ability to handle high currents. These fuses are available in a range of current ratings, allowing them to be used in a variety of applications. Additionally, high-speed fusing chip fuses are often designed to withstand transient surges and spikes in current, providing added protection for the circuit.　　In addition to their fast resp

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Fuseless car charger, carefully burn your phone

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