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August 18,2023

Application Fields and Development of Small Fuses.smd resettable fuse

　　　　The demand for the use of small fuses in the market is increasing. Small fuses have smaller internal resistance, more diverse fusing characteristics, stronger breaking ability, recoverable, and multiple line arrays, intelligent functions, and multifunctional integrated components or modules, which can be used for overload protection in many products to meet the diverse circuit protection needs of terminal products. Especially small patch fuses, as a new type of component, are suitable for various electronic products with compact structure and small volume. Based on current data, the application fields of small fuses include:　　1. Communication field　　Overpower protection for mobile phone chargers, switching power supplies, LCD screens, as well as routers, modems, network cards, etc. around the network.　　2. Computer field　　Computer motherboards, hard drives, and various components require the use of small fuses, especially disposable and recoverable fuses. They are widely used in off

October 11,2023

test auto fuse with multimeter.The application of self recovery fuse in rechargeable battery pack

　　　　1. The application of self recovery fuse in rechargeable battery pack　　1) Problem and Analysis: NICD, NiMH, and Li-ION are commonly used in special protection circuits for mobile phones and computers. The reasons for these battery pack failures are usually: unexpected short circuit between the positive and negative terminals; The charger cannot stop charging a fully charged battery; The polarity of the wrong charger or battery is reversed. Installing the PTC patch series in series in various units of the battery pack can provide overcurrent and over temperature protection for the circuit.　　2) Protection requirements: In the event of a malfunction, the voltage of the mobile phone can reach 16V, and the voltage of the computer can reach 24V; Its current can reach 100 amperes. In overcharging conditions, the battery pack needs to be protected against overheating. NiCD batteries cannot exceed 120C, and NiMH and Li Ion batteries cannot exceed 90C.　　The ultra small package (0402 specific

September 05,2023

The Application of Self Recovery Fuses in Disinfection Cupboards.30 amp screw in resettable fuse

　　　　Disinfection cabinets have been applied in public places such as hotels, restaurants, industrial canteens, Chinese and Western restaurants, and canteens of enterprises and institutions, and have gradually entered modern homes. Disinfection cabinets have gradually become an essential disinfection tool in daily life. While people value its practicality, its safety, reliability, and stability are also issues of concern.　　The disinfection methods for cupboards are mostly thermal infrared or ultraviolet. By driving infrared or ultraviolet emission tubes with high frequency and high voltage, this high-frequency and high voltage driving circuit is prone to burning out the driving transistor due to high current and temperature. This puts forward high requirements for the design of engineers. To ensure the reliability and safety of the circuit, it is necessary to design overcurrent and overheating protection circuits. Especially when there is no installed infrared emission tube or ultraviol

October 14,2023

automotive blade fuse manufacturers.Why do fuses often open when turned on or just when the power is turned on

　　　　Most circuits generate an instantaneous surge current when the power is first connected. In capacitive or inductive circuits, this surge current is often many times, or even dozens of times, greater than the normal steady-state current. If the surge resistance of the fuse used in the circuit is not strong enough, the fuse will be blown off by high-energy surges. If the duration of this surge current is short and the energy released is insufficient to break the fuse, the fuse will not break and will only be damaged to a certain extent. It will only be broken after a certain number of surge impacts. Similarly, hot swapping of some plug-in components during the operation of the entire machine can generate large pulse currents. At this time, if the fuse's pulse resistance is not strong enough, it will often be blown by the pulse. To avoid fuses being blown off by surges or pulse currents and unable to function properly, we need to choose the correct type of fuse and choose the appropri

September 11,2023

Brief analysis of the protective components and their corresponding functions required for circuits

　　　　In order to reduce losses and unnecessary trouble, the use of corresponding protective components in the circuit allows design engineers to quickly and better identify and analyze fault problems after designing the circuit, without damaging the newly designed circuit. Circuit protection components are essential in circuits.　　The types of protective components in the circuit include: fuse tubes, temperature fuses, current fuses, self recovery fuses, overcurrent protectors, surge protectors, gas discharge tubes, varistors, overvoltage overcurrent protection, overheating protection, thermistors, LED drive overheating protection, circuit breakers, hybrid protectors, LED protection components, and ESD protection devices.　　Circuit protection devices mainly include overvoltage protection devices, overcurrent protection devices, and overvoltage protection devices.　　Overvoltage Protection Device (OVP): Used to protect subsequent circuits from load shedding or instantaneous high voltage dama

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Fuseless car charger, carefully burn your phone

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2023-04