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October 27,2023

Terminology for the characteristics of fuses.

　　1. Rated current: The working current of a fuse (the maximum current that a fuse can maintain normal operation for a long time under normal conditions).　　2. Rated voltage: The working voltage of the fuse (the maximum voltage that the fuse can safely withstand at the moment of disconnection). When selecting a fuse, the rated voltage should be greater than the input voltage of the protected circuit.　　3. Breaking capacity: When a large overload current (such as a strong short circuit) occurs in a circuit, the fuse can safely cut off (break) the maximum current of the circuit. It is an important safety indicator for fuses. Safe breaking refers to the phenomenon of avoiding splashing, burning, explosion, and other hazards to surrounding components, components, and even personal safety in the breaking circuit.　　4. Overload capacity (carrying capacity): The maximum overload current that a fuse can maintain for a specified period of time.　　UL standard stipulates that the maximum non fusing c

October 07,2023

Determine if the fuse is burning (fuse)?volvo truck blower motor fuse location

　　　　If the fuse can be removed from the circuit, it can be a visual fuse to determine whether it has burned out; The simplest method to determine whether a fuse is a continuity test is to blow other materials. Quickly test with a multimeter to determine if it is working properly, by hearing a beep and touching the wires together, or seeing a 0 ohm reading. After confirming that the circuit power is turned off, place the leads at both ends of the fuse. If you hear the same beep and the resistance reading of the multimeter is very low, then the fuse will not blow. If you don't hear the beep and the meter reading is OL, the fuse will blow. Take reasonable preventive measures to stay away from dangerous voltages. Supply the power circuit and switch to the multimeter voltage measurement mode. Ensure that DC circuits are selected for DC and AC circuits are selected for AC Connect the multimeter leads on both sides of the fuse. If the indicated voltage is small or even not, the fuse is intact

September 16,2023

The Channel Dispute of LED and the Impact of Fuses.air conditioner fuse block pull-out replacement

　　　　In the market, we often find that the application of fuses in LED is very extensive. Therefore, the impact of LED development in the industry is also a factor in the development prospects of fuses. The competition for LED channels will inevitably bring about a certain degree of decline or another decline in LED development. Therefore, today, let's take a look at the competition for LED channels.　　The channels in 2022 are very lively. With numerous LED lighting companies entering the market and traditional lighting brands expanding their domestic LED lighting sales channels, even home lighting brands are relying on their distribution points to extend their product lines to the LED lighting series. The competition is becoming increasingly fierce, as if a modern version of the "Spring and Autumn Warring States War" is being staged.　　The LED dispute is largely a channel dispute. Do traditional lighting enterprises have a greater advantage in channels compared to the emerging LED lighti

August 02,2023

Design principle of patch fuse.starter motor fuse

　　　　Most SMD fuses look like standard SMD devices, using single or multi-layer ceramic substrates. Some previous designs used epoxy glass fiber substrates similar to printed circuit boards. Its structure includes: a shell, a lower cover, quartz sand, a fuse, and two terminal blocks. The shell is a ceramic box like structure without a bottom surface, and the two terminal blocks are connected together through a suspended fuse set inside the shell, which is clamped on the edge of the shell. The basic fuse in the middle is a high conductivity material, such as copper, gold or copper tin, silver palladium alloy.　　Depending on the type of substrate, the fuse can use laser fine tuned thick film deposits or chemically etched metal layers to achieve the desired performance parameters, and adhesive gold wires can also be used. Due to the determined shape and thickness, when subjected to overvoltage and the current reaches a certain level, the fuse will fuse within a certain period of time.　　To a

September 11,2023

How to Realize the Protection Function of PTC Self Recovery Fuses.mini blade fuse vs standard

　　　　How does PTC self recovery fuse achieve protection function? The actual process of PTC overcurrent circuit protection is not yet clear, and its superiority needs further exploration. So far, it is believed that PTC is a polymer based self recovery fuse that can limit current.　　The principle of PTC self recovery fuse is to limit potentially harmful overload currents within a safe range. Specifically, excessive current flowing through the device can lead to an increase in internal heat (I2R), resulting in a temperature rise in PTC and an increase in its resistance. Before overheating occurs, PTC resistance usually only accounts for a small portion of the total impedance of the circuit. The increase in resistance of polymer PTC self-healing fuses has a non-linear characteristic, and such relatively large resistance will reduce or limit the current in the circuit to a safe range. The transition point from low resistance to high resistance is called the "jump point".　　The heat generated

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Fuseless car charger, carefully burn your phone

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