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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

July 27,2023

The Matching Function of Self Recovery Fuse in Anti Reverse Connection Protection

　　　　Generally speaking, DC power circuits have protection requirements for anti reverse connection, and in many cases, protection is achieved by connecting anti reverse diodes in series. However, in some cases, anti reflection diodes are not suitable due to the series voltage drop. At this point, the self recovery fuse based on surge protection can be combined with one-way TVS to achieve anti reverse protection. As shown in Figure 6, when the DC power supply is reversed, the unidirectional TVS is directly connected, generating overcurrent, causing the to act quickly and limit the current. When applying this scheme, it is also necessary to consider the withstand voltage of and the power of TVS.　　self recovery fuses are widely used for overcurrent protection in power lines, communication lines, and various I/O input and output ports of electronic products in communication, security, industrial, automotive, consumer and other fields. It can effectively prevent product damage due to short

December 06,2023

mini vs micro blade fuse.Development of SMD chip fuse market

　　　　SMD chip fuses have been very popular in the domestic market in recent years, and they are on par with plug-in fuses. However, due to their small size and other advantages, SMD chip fuses have gradually occupied a place in daily life. Now, I will briefly explain the market prospects of SMD chip fuses.　　In its over 100 year history, small fuses have gone through multiple stages of development, including cylindrical, plug-in, axial or radial pin types. The surface mount fuse, which emerged in the 1990s, has developed to account for nearly 30% of the overall small fuse application market in less than 20 years, and is continuously expanding, replacing other traditional forms of fuses, indicating its strong vitality.　　With the vigorous development of the electronic industry, the small fuse market is showing a continuous growth trend, especially in 2015, where the development momentum is encouraging. The development of surface mount fuses is increasing day by day, accounting for one-thir

September 04,2023

The Application of Self Recovery Fuses in Door Locks.high voltage fuse diagram

　　　　Fingerprint door lock is a widely used door lock product in modern homes, factories, and enterprises. Its main functions include fingerprint recognition, storage, and opening and closing door locks. It is composed of fingerprint recognition and storage circuits, DSP data processing circuits, door opening and closing actuators, power circuits, and other components. Some door locks also require output signals to control the camera, open voice communication connections, and complete remote control functions. In this system, the power circuit, data transmission port circuit, and electromagnetic actuator of the control lock are prone to burning out the power circuit and DSP control system circuit due to unstable power supply voltage, lightning discharge, short circuit of installation wiring, etc. In severe cases, safety hazards such as burning out wires and causing wires to catch fire may occur. These interface points all require the design of ESD, overvoltage, overcurrent, and reverse

November 08,2023

fast blow or slow blow fuse for microwave.Fuse selection

　　　　1. Determine the following parameters of the circuit:　　A Maximum working environment temperature b Standard working current c Maximum working voltage (Umax) d Maximum fault current (Imax)　　2. Select a self restoring fuse element that can adapt to the maximum ambient temperature and standard operating current of the circuit　　Use a temperature reduction {ambient temperature (℃) working current (A)} table and select the temperature that best matches the maximum ambient temperature of the circuit. Browse this column to view values that are equal to or greater than the standard operating current of the circuit.　　3. Compare the maximum electrical rating of the selected component with the maximum operating voltage and fault current of the circuit　　Use the electrical characteristic table to verify whether the components you selected in step 2 will use the maximum operating voltage and fault current of the circuit. Check the maximum operating voltage and maximum fault current of the device.

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Fuseless car charger, carefully burn your phone

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2023-04