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December 08,2023

motor thermostat vs thermistor.Knowledge of overcurrent and overvoltage protectors

　　　　With the development of electronic technology and the upgrading of electronic products, the requirements for reliability and safety of power electronic products are increasing day by day. How many users are troubled by issues such as electrical leakage, burning of computer hosts, and explosion of mobile phones, and how many products have been delayed from being launched due to failure to pass safety testing. The diversification and complexity of problems have led to the rapid development of circuit protection components, and today's protection devices have developed into a diverse emerging field of electronic components.　　Faced with such a complex and diverse field, we have many questions. What is the development trend of protective devices? What parameters should application engineers choose appropriate protective devices based on?　　What factors should be considered in circuit design? How to handle failure analysis when encountering a faulty machine? In response to these issues, W

July 27,2023

Overload protection of self recovery fuse on charging battery circuit

　　　　Rechargeable batteries, as an indispensable energy supply method in modern life, have been widely used in various devices such as mobile devices, smartphones, electric vehicles, etc. However, in the event of prolonged charging or charger failure, the charging battery may experience overload, which can cause danger. To address this issue, we recommend using self recovery fuses for overload protection on rechargeable batteries, providing comprehensive safety protection for your device.　　self recovery fuse is an intelligent electronic protection component that rapidly increases impedance and limits the flow of current when the current exceeds the rated current, thereby protecting rechargeable batteries and devices from the harm caused by overcurrent. Now, we will focus on the advantages of self recovery fuse in overload protection of rechargeable batteries.　　Firstly, the application of self recovery fuse on rechargeable batteries helps to prevent damage from overcurrent to the battery

July 11,2023

Temperature control fuse.resettable fuse hold current

　　　　(Thermal Links), also known as: Temperature Control; It is a disposable element connected to the circuit with a very accurate and reliable temperature protection circuit. When the working environment temperature exceeds the rated temperature of the Thermal cutoff, the chemical heat sensitive bean in it will generate high temperature and quickly interrupt the circuit, avoiding the harm caused by overheating. After the temperature control fuse blows, it is necessary to manually replace it with a new one to restore normal operation of the circuit.　　Temperature control fuses are widely used in: microwave ovens, Water dispenser, disinfection cabinets, electric irons, toasters, barbecue machines, coffee makers, kettles, dryers, refrigerators, electric water heaters and other electrical equipment.　　The Thermal cutoff has the function of detecting abnormal temperature and cutting off the circuit. It can detect abnormal temperature rise of household or industrial electrical products and qui

September 18,2023

The Application of Self Recovery Fuses in RS485 Interface.volvo truck blower motor fuse location

　　　　As is well known, the interface of intelligent instruments was originally RS232, which can achieve point-to-point communication, but this method cannot achieve networking function. The subsequent RS485 resolved this issue. So the current RS485 interface is quite popular among intelligent instruments. Today, the editor will explain the application of self recovery fuses in the RS485 interface.　　RS485 has the advantages of long communication distance (over 1200m), high transmission rate (10Mbps), high signal-to-noise ratio, convenient control, low cost, and the ability to achieve multiple nodes on a single bus, as well as a variety of transceivers that can be used. It has been increasingly recognized by users.　　However, with the increase in usage frequency, the problems encountered by RS485 become more apparent. Due to its low voltage (only 5V), when using intelligent instruments with RS485 interfaces, the withstand voltage of the components themselves is also low, resulting in insta

July 07,2023

Rated current of fuse melt.how to test a car fuse with a multimeter

　　　　1. When protecting smooth loads without starting process, such as lighting circuits, resistors, electric furnaces, etc., the rated current of the melt is slightly greater than or equal to the rated current in the load circuit.　　2. The melt current of a single motor that operates for a long time can be selected based on the maximum starting current or according to the following formula:　　IRN ≥ (1.5-2.5) IN　　In the formula, IRN - rated current of the melt; IN - Rated current of the motor. If the motor starts frequently, the coefficient in the formula can be appropriately increased to 3-3.5, depending on the actual situation.　　3. Protecting multiple motors that have been operating for a long time (power supply main)　　IRN ≥ (1.5-2.5) IN max+ Σ IN　　IN max - The rated current of a single motor with the maximum capacity. Σ In other words, the sum of the rated current of the motor.

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Fuseless car charger, carefully burn your phone

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