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November 01,2023

Electric vehicle malfunctions due to lack of fuses or diodes

　　　　With the development of life, electric vehicles have also become popular. In order to facilitate people's travel, many families have started to use electric vehicles, which are convenient and affordable. However, there are still many unknown problems that arise during use. Today, the editor will briefly talk about the structural issues of electric vehicles.　　Accidents involving spontaneous combustion or even explosions in electric vehicles occur from time to time. If the cause of external open flames is excluded, the only reason for electric vehicle fires is a short circuit. Any short circuit in the battery, charger, or other components will turn the electric vehicle into a powder keg! How to solve it? (Related knowledge: What is the relationship between fuse material and fuse failure?)　　Installing a "fuse or diode" for an electric vehicle is the simplest solution, as the fuse or diode serves as a short-circuit protection. Someone has conducted experiments on an electric vehicle wi

August 22,2023

6 * 30 fuse clip model classification.250ma radial fuse

　　　　Fuse clip refers to the terminal where a fuse is installed, which can generally be divided into current fuse clip and automotive fuse clip. There are generally three surface coatings: nickel plating, tin plating, and silver plating. The model of the current fuse clip is generally reflected by the size of the installed fuse, such as 3 * 10, where 3 * 10 is the fuse size, and 5 * 20, 6 * 30, and 10 * 38 are the main four dimensions. The corresponding dimensions are the corresponding models, one-on-one, and there is no specific model　　At present, the material commonly used by domestic fuse clamp manufacturers is brass, which is the best and best conductive metal material. In addition, not only do fuse clamps use brass as a conductive material, but many other electronic components also use it.　　So what are the characteristics of brass? Why do we choose it as a carrier for electronic component materials?　　In fact, there are only five points: firstly, brass has good conductivity and low

December 05,2023

tv fuse replacement cost.Basic Knowledge of Chip Fuses

　　　　Firstly, understand the function of fuses: Place the circuit fuse correctly. Then, the fuse will rise to a certain height and after a certain period of time, the fuse will cut off the current, thus protecting the operation of the circuit. The principle of patch fuses is the same, but the style is different. Below, we will have a detailed understanding:　　Chip fuses are mainly used in electronic products such as digital cameras, laptops, and smartphones. Due to differences in product technology, the selection focus varies from traditional glass tube fuses to micro fuses and chip fuses. The selection of chip fuses involves the following factors:　　The normal operating current of the circuit. The working current through the fuse should not exceed 70% of the rated current of the fuse.　　Pulse, surge current, surge current, starting current, and circuit transient. Chip fuses pay special attention to the following facts: due to the small process size, the impact resistance of chip fuses is

October 13,2023

battery terminal fuse nissan problems.Self recovery fuse application

　　　　1. What is the voltage value at both ends of the series connected pptc component in the circuit?　　2. What is the average current value of the circuit flowing through the pptc component under normal working conditions?　　3. When a circuit experiences a load short circuit, how much will the fault current in the circuit increase, causing damage to the circuit or other components in the circuit? When the circuit load and fault current increase to 10 amperes, the circuit or components in the circuit are damaged, which affects the normal operation of the circuit. Therefore, it is necessary to quickly protect the circuit with pptc components, and the current value at this time is the limit current value.　　4. What is the ambient temperature of the circuit? (Because pptc components belong to positive temperature coefficient thermistors and are affected by environmental temperature)　　5. How long does the circuit work? (Is the circuit working continuously for a long time (more than 4 hours) or

October 12,2023

automotive blade fuse colours.fuse PPTC for overcurrent protection in photovoltaic street light controllers)

　　　　Due to the fact that the intelligent control part of this new type of LED explosion-proof light is completed through RS485 serial communication, it was found in practical applications that the 485 interface chip is easily burned out. After analysis, overvoltage protection was not done properly, so TVS tube was selected as the overvoltage protection circuit, and it was found that it is still easy to be burned out by lightning.　　When I was in a state of exhaustion, I saw an overcurrent protection scheme using a self recovery fuse TVS tube. The experiment was successful, greatly improving the reliability of the explosion-proof lamp. I didn't expect to use a self recovery fuse PPTC in series at port 485, and then connect TVS in parallel to complete the task. There is no simpler solution than this method.　　The self restoring fuse PPTC is an overcurrent protector, also known as a ten thousand fuse, also known as a self resetting overcurrent protector or a polymer self restoring fuse. Whe

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