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August 26,2023

The specific application of patch self recovery fuses.mini cooper fuse box diagram

　　　　Patch self recovery fuse (PTC: Polymer self recovery fuse) is a positive temperature coefficient polymer thermistor used for overcurrent protection and can replace current fuses. When the circuit is working normally, its resistance value is very small (voltage drop is very small). When an overcurrent occurs in the circuit, causing its temperature to rise, the resistance value sharply increases by several orders of magnitude, reducing the current in the circuit to below the safe value, thus protecting the subsequent circuits. After the overcurrent disappears, it automatically returns to the low resistance value.　　SMD self recovery fuses are widely used, so let's take a look at the specific applications of their products.　　1. Application in circuit control and sensors:　　Transistor temperature compensation circuit, temperature measurement and control circuit, overheat protection circuit, incubation box, electric fan, color roll washing, kettle, electric water heater, electric blanket,

August 12,2023

Classification of fuses.mini blade fuse tap

　　　　1. Divided into: φ 2 φ 3 φ 4 φ 5 φ 6 and others.　　2. According to the fuse characteristics, it is divided into fast fuse type, medium delay fuse type, and delay fuse type. (It can also be divided into express and strong delay).　　3. According to the breaking capacity, it can be divided into low breaking type, high breaking type (and can also be divided into enhanced breaking type).　　4. According to safety standards (or usage regions), it can be divided into UL/cUL (North America) specifications, IEC (China, Europe, etc.) specifications, MIT/KTL (Japan/Korea) specifications, etc.　　In many electronic devices, fuses are indispensable. Since Edison invented the first plug-in fuse in the 1890s, which enclosed thin wires in a lamp holder, the types of fuses have become more and more diverse, and their applications have become more and more widespread. Here are some common knowledge on fuse parameters, selection, and application.　　The rated values and performance indicators of fuses are de

September 19,2023

2022.07.08 Warmly celebrate XuCheng ' 20th anniversary."

　　　　20 years ago, Xucheng Electronics (Shenzhen) Co., Ltd. was officially established On July 8, 2002,! Over these many years, Xucheng colleagues and customers have accompanied the company in its growth journey, witnessing its evolution from small to large, from strength to strength, weathering challenges together. Xucheng is currently undergoing transformation, innovation, and development, which remain the eternal themes of the company ! We believe that Xucheng's future will be even better!"

October 10,2023

The Importance of Fuses.fast blow fuse characteristics

　　　　A fuse is an electrical component installed in a circuit to ensure safe operation of the circuit. When the circuit malfunctions or is abnormal, it may burn the circuit or even cause a fire. Some fuses have a blown indicator device, which is used to indicate that when the fuse is activated (blown), it undergoes a certain appearance change and is easily detected by maintenance personnel. So what are the components of a fuse?　　1. Electrode　　Usually, there are two important components that are connected between the melt and the circuit. They need to have good conductivity and should not generate significant installation contact resistance.　　2. Melt　　It is the core of a fuse and plays a role in cutting off the current when it is blown. Fuses of the same type and specification should have the same material, geometric dimensions, and resistance values as small and consistent as possible. It is important to have consistent fusing characteristics.　　3. Bracket　　The melt of a fuse is generall

July 10,2023

Precautions for using fuses and fuses.charger fuse box diagram

　　　　Precautions for using fuses:　　1. The protective characteristics of the fuse should be adapted to the overload characteristics of the protected object. Considering the possible short-circuit current, a fuse with corresponding breaking capacity should be selected;　　2. The rated voltage of the fuse should adapt to the line voltage level, and the rated current of the fuse should be greater than or equal to the rated current of the melt;　　3. The rated current of each level of fuse melt in the circuit should be matched accordingly, and the rated current of the previous level of melt must be greater than the rated current of the next level of melt;　　4. The melt of the fuse should be matched according to the requirements, and it is not allowed to arbitrarily increase the melt or use other conductors to replace the melt.　　Inspection of fuses:　　1. Check whether the rated values of fuses and melts match the protected equipment;　　2. Check the appearance of the fuse for damage or deformation, a

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Fuseless car charger, carefully burn your phone

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