How to Select Low Voltage Fuses with Chip Mounts
Chip low-voltage fuse is a type of fuse, abbreviated as Low Voltage Fuses with Chip Mounts. The function of a low-voltage fuse is to provide short circuit protection in the circuit. Its advantages include high breaking capacity, strong reliability, small installation area, convenient maintenance, and low price. The disadvantage is that there are few protection methods and the recovery time of the power supply is long.
How to Select Low Voltage Fuses with Chip Mounts
Commonly used low-voltage fuses include various types such as porcelain plug type, sealed tube type, spiral type, filler type, and so on. The ceramic plug type has poor arc extinguishing ability and is only suitable for use at the end of lines with small fault currents. Other types of fuses have arc extinguishing measures, with strong current breaking ability. The closed tube structure is simple, and the spiral type is safer when replacing the fuse tube. The filling material type has a stronger current-breaking ability.
Low voltage fuses are divided into plug-in, spiral, unfilled, and filled types according to their structural forms. According to the range of breaking current, it can be divided into full-range segmented capacity and partial-range breaking capacity. According to the category of use, it can be divided into: general purpose and protection of electric motors.
When selecting patch low-voltage fuses, we need to determine the type of fuse based on the usage conditions. When selecting fuse specifications, we should first select the specification of the melt, then select the specification of the fuse based on the melt, and then have a good coordination between the protection characteristics of the fuse and the overload characteristics of the protected object.
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旭程（XC）保险丝选型指南
目录- Company Profile Fuse User's Manual Fuse Auto Fuse Fuse Holder Thermostat
型号- 06F,3S,C0015302Z,C0040302Z,3T,10C,06T,C0060303Z,4F,KSD9700,C0030301Z,6CH,C7500301Z,4T,C0015301Z,C0070303Z,4TE,C0040303Z,8TE,C0025302Z,5C,KSD305,5F,5G,C4000302Z,5H,9L,KSD301,C2000302Z,C0030302Z,10FV,C0020301Z,5S,C7500302Z,5T,C0010302Z,24F,12F,32F,C0080303Z,5SH,6B,6C,C0025301Z,6F,6G,24T,6H,12T,C3000301Z,C4000301Z,C5000301Z,2F,C2000301Z,C0030303Z,32T,R3-13,5GH,R3-12,R3-11,5CH,6S,C0020302Z,6T,2T,5TE,XC-1,BS1362,C0010301Z,C3000302Z,5TR,3F,3G,C5000302Z,C1000302Z,XC-2,C0050303Z,C0035302Z,C0020303Z
The Impact of Fuse Aging on Usage
After the fuse ages, there is no danger of generating the current that should be cut off and the fuse not blowing. The aging of a fuse is equivalent to a decrease in the rated value (current) rather than an increase, resulting in the circuit being cut off at a small overload current or pulse.
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Current fuses exhibit specific temperature characteristics that play a crucial role in their performance and reliability. The behavior of a current fuse in response to temperature changes is determined by several factors.
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Professional Knowledge of Self-healing Fuses
The operating principle of a self-healing fuse is a dynamic balance of energy. The current flowing through the self-healing fuse generates a certain amount of heat due to the thermal effect of the current (self-healing fuses all have resistance values), and the generated heat is completely or partially dissipated into the environment. The heat that is not dissipated will increase the temperature of the self-healing fuse components. The temperature during normal operation is relatively low, and the heat generated and dissipated reaches a balance.
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The encapsulation of current fuses is an important aspect that affects their performance, durability, and safety.
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Essential Knowledge for Selecting Automotive Fuses
When a certain overload current passes through, the heat generated is radiated to the surrounding environment through the melt and shell, and the heat dissipated through convection, conduction, and other means gradually reaches a balance with the heat generated. If the generated heat is greater than the dissipated heat, the melt temperature can increase； When the temperature reaches or exceeds the melting point of the melt, the melt melts, fuses, and cuts off the current, playing a role in safety protection of the circuit.
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Precautions for Using Fuses
The fuse is connected in series with the circuit, installed vertically, and installed on each phase line； Fuses are not allowed to be installed on the neutral line of a two phase three wire or three-phase four wire circuit.The power input terminal of the spiral fuse should be connected to the center point of the base, and the output wire should be connected to the threaded shell； This insurance is used in places with vibrations.
Common Sense for Fuses
A fuse refers to a self destructing fuse that experiences significant surges or other current exceeding limits in a circuit； In order to protect the components of other parts of the circuit where the fuse is located and the equipment is normal, the cost of replacing the fuse can be ignored compared to replacing the entire circuit that may be damaged. Due to the fact that fuses are a common element that needs to be replaced, we will introduce two basic concepts and provide a more in-depth introduction to fusion applications and testing and diagnostic methods.
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可贴片PCB尺寸50*50mm-580*610mm；PCB厚度0.3-8mm；贴装精度CHIP元件+0.03,BGA Pitch 大于0.25mm；元件尺寸0201-74*74BGA；元件高度：30mm。
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