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July 13,2023

Lighting circuit of temperature controlled fuse.car ac fuse blown symptoms

　　　　① Single direct starting motor melt rated current=(1.5-2.5) × Rated current of the motor.　　② Total protection melt rated current of multiple direct starting motors=(1.5-2.5) × The sum of the currents of each motor.　　③ Reduced voltage starting motor melt rated current=(1.5-2) × Rated current of the motor.　　④ Rated current of winding motor melt=(1.2-1.5) × Rated current of the motor.　　⑶ Rated current of low-voltage side melt of distribution transformer=(1.0~1.5) × Rated current on the low-voltage side of the transformer.　　(4) Rated current of parallel capacitor bank melt=(1.43-1.55) × Rated current of capacitor bank.　　(5) Rated current of welding machine melt=(1.5-2.5) × Load current.　　Rated current of electronic rectifier element melt ≥ 1.57 × Rated current of rectifier components.　　Explanation: The numerical range of the rated current of the melt is to adapt to the standard component rating of the melt.

August 10,2023

Working principle of self recovery fuse.battery charger fuse

　　　　In this link, the components that can block the oscillating current are usually fuses, but the general fuses are only disposable. If self recovery fuses are used, then the instruments in this type of circuit can be used for Test effort. And this type of function can be guaranteed not only by self recovery fuses, but also by some temperature sensors. However, these electronic components are far from fast in terms of reflection time compared to self recovery fuses. Therefore, for circuits with high-precision instruments, if some temperature sensors are applied, the oscillating current can burn out the instrument before the resistor blocks the power circuit.　　The function of a self restoring fuse is to provide overcurrent protection in the power circuit. A circuit with a high-precision instrument must have a fuse to maintain the safety of the high-precision instrument. However, if human factors are often used to remove and replace fuses during frequent use, it is not specific, which i

July 21,2023

Definition of high-voltage fuse.mini cooper fuse box

　　　　ISO-8820 and QC/T420-2004 standards define it as a fused protective device connected to a circuit that disconnects the circuit when the current exceeds the specified value and time. A fuse is a thermal response device, and the fuse or fuse in the fuse is made of a fusible alloy with high resistivity or a good conductor with a smaller cross-sectional area. In order to protect the wiring harness and other equipment, it is intentionally designed and manufactured as the weakest part of the circuit. Under normal working conditions, the fuse or fuse in the fuse will not blow; When a short circuit or severe overload occurs in the system, the fuse or fuse will immediately melt, thus protecting the circuit and electrical equipment　　In order to ensure the safe operation of the vehicle's electrical appliances and ensure the proper function of the fuse, it is particularly important to choose the appropriate type and specification. The selection of fuses involves the following factors: current

November 28,2023

mini blade fuse Vendor.What tips should be paid attention to when selecting SMD fuses

　　　　Chip fuse is a relatively high-tech new variety in the small fuse industry. Chip fuse can be divided into disposable chip fuse and chip self recovery fuse. Disposable chip fuse, also known as chip current fuse, needs to be replaced after protection, and after self recovery fuse protection, power is cut off, it can be restored on its own and can be reused.　　The disposable patch current fuses can be divided into the following models based on size and performance:　　(1) According to size, products can be divided into: 0402, 0603, 1206241061251032.　　(2) According to performance, products can be divided into three types: fast melting, slow melting, and enhanced melting heat energy. The SMD fuse quick blow series is suitable for protecting important components that quickly respond in circuits, and is generally used in situations where surge currents rarely occur; The slow fuse series is suitable for situations where large surge currents often occur in circuits; The enhanced melting heat e

August 01,2023

The Application of Lute Technology's Self Recovery Fuse for Overflow Temperature Protection on Intelligent Wearable Devices.ceramic chip fuse

　　In recent years, with the rapid progress of science and technology, the market of intelligent wearable devices has become more and more popular. At present, intelligent wearable devices such as smart bracelets, smart watches, Smartglasses, health wear, ear wear devices and somatosensory control are increasingly popular in the market. Intelligent wearable devices can bring convenience and guarantee to people's lives through software support, data interaction, cloud interaction and other ways. Intelligent wearable devices require direct contact with the user's body, so the safety and stability of the product are crucial. Below, we will provide a detailed introduction to the potential safety hazards and solutions of intelligent wearable devices.　　The safety hazards of intelligent wearable devices include the following three points:　　1. PMIC (Integrated Power Management Circuit) failure　　The product designer will add some overcurrent protection components to the charging port to cope wit

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Fuseless car charger, carefully burn your phone

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2023-04