Operating parameters of automobile fuse holder_Industry Trends_News & Events

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10 2023-04

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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 13,2023

A Brief Discussion on the Future Development of Recoverable Fuses

　　　　Recoverable fuses are circuit protection components that many electronic industries consider first. They are widely used in transformers, security equipment, lighting fixtures, ballasts, instruments, telephone lines, and other fields, benefiting from the development of new technologies such as digital technology, communication technology, and new energy, In the first ten years, the market sales quantity and sales amount of circuit protection components and recoverable fuses showed a steady growth trend.　　With the continuous transfer of industrial chains in developed countries, China has now become an important production base for global electronic products. At the same time, with the rapid development of China's economy, the demand for circuit protection components in downstream markets is becoming increasingly strong, and in the future, the process requirements for circuit protection components to recover fuses will become more stringent.　　The development trend of the recoverable

August 04,2023

What are the functions and types of fuse holders.power probe fuse voltage drop chart

　　　　1、 What is the function of a fuse?　　If a common fault occurs in the circuit, such as an open circuit problem, the current will continue to rise, which may cause circuit damage and endanger household appliances, and in severe cases, can lead to a fire accident. However, fuses were installed and used. When abnormal current is found, if it reaches a certain Elevation, the fuse will blow, and then all circuits will be disconnected for maintenance.　　2、 What type of fuse.　　There is one type of fuse called a disposable fuse, and the other is a self repairing fuse. Some fuses are composed of patches or plugs. Different fuses are applied in different office environments, some in high-voltage natural environments and some in low-voltage natural environments, fully playing an increasingly crucial role.　　2. A fuse consists of three parts, one of which is the melt, which is the main location for all fuses. If there is a circuit problem, it can be independently fused and then the circuit can be

August 18,2023

What is the appropriate purchase price for self restoring fuses?smd fuse size chart

　　　　We know that self restoring fuses are made of special materials, which have the advantages of being able to be used multiple times and automatically recovering after overload actions. Compared to ordinary disposable fuses, self restoring fuses are more commonly used in certain products and do not require frequent replacement. Some people may have some doubts, but what is the appropriate purchase price for self restoring fuses?　　What is the price for purchasing a fuse?　　Here, the editor tells everyone that there are both high and low prices for self recovery fuses. According to my investigation, there are currently 0.1-2 yuan range available on the market, and the prices vary from manufacturer to platform. Some manufacturers require lower prices for fuses, but it is difficult to find them. Sometimes, the fuse model you need is less used by others, and the manufacturer produces less, resulting in higher prices. Many manufacturers of electronic products, machinery, and other products

December 04,2023

ptc-100 programmable thermal controller manual.Electrical testing process for self restoring fuses

　　　　I hold current　　I hold, high non operating current (maintenance current), refers to the high current that PPTC always maintains its low resistance state at the specified ambient temperature (priority 25 ℃).　　I hold: maintain current;　　V max: withstand high voltage;　　T trip: specifies the large action time under the current;　　R: Zero power resistance measured at a certain temperature;　　I trip: action current;　　I max: The maximum current that can be withstood;　　P d: steady-state power consumption in high resistance state;　　R 1max.: The high resistance value measured at room temperature after one hour of action or soldering.　　Let's take a look at the internal structure of the device, as shown in Figure 4. Place the test sample in a specified temperature and condition test box, connect the PPTC to a constant current or constant voltage source, and preset the current value to the specified I hold, with the voltage limited to 90% of V max. After the specified time in the detailed specifi

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Operating parameters of automobile fuse holder

10

2023-04