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November 11,2023

air conditioner fuse box replacement..Application scope of patch self recovery insurance

　　　　Self recovery fuses can be divided into patch based self recovery fuses and plug-in self recovery fuses. With the increasing miniaturization of product requirements, the range of use of patch based fuses has increased.　　The main encapsulation of SMD self recovery fuses are: 0805, 0603, 1206, 1812, 2920, and their working principle is:　　The self recovery fuse is composed of specially treated polymer resin and conductive particles (Carbon Black) distributed inside. Under normal operation, the polymer resin tightly binds conductive particles outside the crystalline structure, forming a chain like conductive electrical pathway. At this time, the recoverable fuse is in a low resistance state (a), and the heat generated by the current flowing through the self recovering fuse on the circuit is small and does not change the crystal structure. When a circuit experiences a short circuit or overload, the heat generated by the large current flowing through the self recovery fuse causes the pol

August 14,2023

Disposable blown fuse 2410TS series.resettable fuse 15a

　　　　Disposable fuses belong to patch type fuses. Disposable fuses can be divided into two types based on their fusing speed: fast fusing fuses and slow fusing fuses. The commonly used series of disposable fuses in Shenzhen include 0402FS/TS, 0456FS/TS, 0603FS/TS, 1206FS/TS, and 2410FS/TS. Today we will have a detailed understanding of the detailed specifications and parameters of the 2410TS series of slow melting fuses.　　The current range of the 2410TS series disposable fuse is 0.1A~30A, corresponding to models 2410-0100TS, 2410-0250TS, 2410-0500TS, 2410-0750TS, 2410-1100TS, 2410-1150TS, 2410-2200TS, 2410-2250TS, 2410-1300TS, 2410-1315TS, 2410-1350TS, 2410-1400TS, 2410-1500TS, 2410-1600TS, 2410-1630TS, 2410-1700TS, 2410-1800TS, 2410-2100TS, 2410-2120TS, 2410-2150TS, 2410-2200TS, 2410-2250TS 2410-2300TS. The maximum voltage for commonly used specification parameters is 0.01A~10A, with a maximum voltage of 250V and a segmented capacity of 50A@250V ; The maximum voltage of 12A~15A is 125V

September 03,2024

Description of Metal Materials for Self Recovering Fuses

　　　　Everyone knows about fuses, but the self recovering fuse (PPTC) in fuses may not be well understood.　　In fact, PPTC self-healing fuses, like the fuses we all know, play a role in limiting current and achieving circuit protection. Simply put, once the current in the circuit exceeds the specified current, it will cut off the current.　　In daily life, the application of fuses can be seen everywhere, such as in household appliances. But do you know what material it is made of?　　Self recovery fuse is an innovative type of fuse with more technical content and wider application range than ordinary fuses. It has the characteristic of being recoverable, so it must use easily melted metal materials to cut off the current in case of overcurrent and achieve protective effect. And this easily melted metal material is usually lead antimony alloy wire.　　Mainly using aluminum alloys with Mg as the main element (Mg based aluminum alloys have good corrosion resistance, strong thermal conductivity, an

August 07,2023

What are the differences in the size of car fuses.resettable 5 amp fuse

　　　　Many electrical appliances in car circuits are connected with wires of different colors, and fuses cannot be ignored. Fuse is a commonly used name and is referred to as Fuse in national standards. The function of a fuse is to protect circuits (circuits) and electrical equipment. Next, I will provide a detailed introduction to the differences in the size of automotive fuses? Let's learn more together.　　A car fuse is a type of current fuse. When the circuit current exceeds twice the rated current of the fuse, it will fuse within a few seconds, providing circuit protection. Commonly used for overcurrent protection in automotive circuits and industrial equipment.　　Automotive fuses can be divided into large, small piece fuses, and medium piece fuses.　　The rated current range is 1-40 amperes (a) to 30-120 amperes (a), and the rated voltage is 32 volts (V).　　The fork bolt fuse can be divided into small fork bolt fuse and large fork bolt fuse.　　The rated current is 30-150 amperes (a) to 40

July 14,2023

Current fuse LEBAO.fast blow vs slow blow fuse

　　　　Rated voltage　　The nominal working voltage of a fuse, codenamed Un, is generally rated at 32V, 60V, 125V, 250V, 300V, 500V, 600V, and 1200V. Fuses can be used at a voltage not exceeding their rated voltage, but are generally not approved for use in circuits with a circuit voltage greater than the rated voltage of the fuse.　　Voltage drop　　When the rated current is applied to the fuse, the voltage measured at both ends of the fuse when the fuse reaches Thermal equilibrium, that is, when the temperature is stabilized, is Ud. Due to the voltage drop at both ends of the fuse having a certain impact on the circuit, there are clear provisions for voltage drop in European regulations.　　Fuse resistance　　Usually divided into cold resistance and hot resistance, cold resistance is the resistance value measured by a test current less than 10% of the rated current at a fuse temperature of 25 ℃. The thermal resistance is converted from the voltage drop measured at the full rated current value as

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Fuseless car charger, carefully burn your phone

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2023-04