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目前显示的是标签为“High Current PCB”的博文

Tips for PCB to Carry High Current

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        PCB is a common basic component in electronic products. It is used to connect and support electronic components. In some special applications, PCB may need to carry high current. Do you know how to make a PCB carry high current?   1.  Select the Suitable Material In order for PCB to maintain efficient and reliable operation in high current-carrying applications, materials need to be selected with high conductivity and high temperature tolerance. In most cases, copper is considered the commonly used conductive material. In order to improve the conductivity, thick copper foil can be considered. In addition, it is important to understand the maximum temperature tolerance of the material to ensure that the PCB can maintain normal operation under high load conditions.     2.  Increase the Wire Width When the PCB needs to carry higher current, the width of the wire will directly affect its conductive ability.  Wider wires reduce resist...

Precautions When PCB Carry High Current

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       In the  process of  manufacturing and use of electronic equipment, the problem of  high  currents endured by PCB cannot be ignored.  As the heat generated  by   current flow ing   through the PCB increases, measures must be taken to  deal with this situation.  So, what should we pay attention to when PCB carr y high   current   1.    Heat Treatment When the PCB carry high current, a high amount of heat energy will be generated, so effective heat dissipation measures need to be taken. The efficiency of  heat conduction  and dissipation can be improved by installing heat sinks or designing heat dissipation holes on the PCB.  For high-load circuits, it is necessary to consider installing a  radiator   or fan around it to achieve a more efficient cooling effect.     2.  Prevent  O verload In PCB design, we should select appropriate components accordin...

Can PCB Via Holes be Made on the Pad

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       In the manufacturing electronic equipment, PCB plays a vital role, and via holes are the bridge connecting different electronic layers.  So can PCB via holes be made on the pad?   1.  In the case of personal DIY, if the via hole is made on the pad, it may not cause big problem.     2.  If such a method is used in the SMT production process, it may cause tombstone phenomenon. The reason is that the surface tension of the solder may cause components to stand up, causing problems such as virtual soldering, desoldering, and poor contact. Especially for the small package components, such as chip capacitors and chip resistors, the tombstone phenomenon is more likely to occur. In order to avoid this kind of situation occur, the pins of polygon pour are sometimes opening solder mask.     3.   If the via holes are not properly plugged, it may lead to tin leakage and further cause the tombstone phenomenon.   Therefore, t...