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October 24,2023

fast blow fuse characteristics.What is the working principle of a fuse?

　　　　I still remember when I was studying electronics and electrical appliances, and every semester when I came home from vacation, I was called by my neighbors to repair the TV. At that time, I used black and white TV sets, and the voltage was also unstable. The most damaged TV set was the fuse.　　At that time, Shenzhen fuses were ordinary glass tube fuses, and it was not very convenient to buy a fuse in rural areas. Sometimes, iron sheets or wires were used to directly connect the circuit as a fuse (I believe many people have done this before), which could still be used normally. However, this use was very unsafe, and sometimes it could damage other parts of the TV. Since then, I have been deeply impressed by this type of transparent glass tube fuse.　　Fuses, also known as fuses, are defined as "fuse links" in international standards. They are electrical components installed in a circuit to ensure safe operation of the circuit.　　Electronic products are all-encompassing, and these produc

August 16,2023

Essential knowledge points for using fuses.motor fuse calculator

　　　　In a switching power supply circuit, the power input terminal generally uses a regular fuse (fuse, fuse resistance) in series with the circuit of the power input terminal. When an overcurrent fault occurs in the power circuit, the fuse will blow, disconnecting the power input circuit to avoid damaging large components. The markings on the circuit board are generally fuses, similar to resistance markings, but the terminal leads pass through a rectangular box (resistance markings do not pass through). I'm not saying you don't have this ability, but electricity is very dangerous. The fuses are all on the side of the mains. If you accidentally turn on the power, and if the machine's malfunction is not resolved, you will replace the fuse, which is likely to explode again. If the fixed value of the fuse you replace is too large, it is not a fuse.　　The fuse has a resistance value. In fact, there is resistance to the wire, but the resistance of the wire is very small (the nature of the wir

October 27,2023

plastic fuse box regulations.The difference between fuses and fuses

　　　　In fact, a fuse is called a fuse. It can be said that a fuse is a fuse, and a fuse may not necessarily be equivalent to a fuse. A fuse is a finished electronic component, but a fuse can be a semi-finished product, that is, an electronic component that has not been formed. Therefore, I usually label the reason for the fuse on the product catalog instead of the fuse. Fuses represent a smaller range, while fuses represent a larger range. There are many types of fuses, but fuses are a single material. There are currently two types of Shenzhen fuses on the market. One is through overcurrent protection circuit, and the other is through temperature protection circuit. Either way, it can cut off the power supply in a timely manner to protect our equipment in case of circuit failure.　　A fuse is a fuse, commonly known as a fuse, and a fuse is a standard name.　　Glass tubes or flexible wires are commonly referred to as fuses, but fuses are more complex in structure than fuses. If there is an i

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

July 19,2023

Breaking capacity of glass sealed fuse.ptc reset fuse

　　　　Also known as rated short-circuit capacity, it refers to the maximum current value (AC is the effective value) that a fuse can safely break under rated voltage. It is an important safety pointer for fuses. The code for breaking capacity is Ir.　　That is, the time/current characteristic (also known as the ampere second characteristic). There are usually two expression methods, namely I-T diagram and test report. The I-T diagram is a curve formed by connecting the average fusing time coordinate points of fuses under different current loads in a coordinate system composed of load current as the x coordinate and fusing time as the y coordinate. Each model and specification of fuse has a corresponding curve that represents its fusing characteristics. This curve can be used as a reference when selecting fuses. A test report is a record of test data conducted in accordance with standard requirements for testing projects. Our I-T chart and test report are both based on the data measured und

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Operating parameters of automobile fuse holder

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2023-04