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Through-Hole (THT) Assembly PCB Design Rules - pcbx. com Always provide a separate drill file for plated-through holes (PTH) and non-plated-through holes (NPTH) to avoid conflict during manufacturing Mount the flatter and smaller components first, then as you go along, increase to the larger and taller components
Common PCB Tolerances for Manufacturing For plated through-holes (PTH), holes with a diameter of 0 8mm or less have a tolerance of ±0 08mm, while holes between 0 8mm and 2 5mm are held to a tolerance of ±0 1mm
PCB Via Size and Pad Size Guidelines | Zach Peterson - Altium In what follows, we’ll consider plated through-hole vias on rigid PCBs For other types of PCBs, like flex or HDI design, we have different standards on annular rings that might be used to calculate via size Take a look at the final section in this article to see some other standards governing PCB layout and performance qualification
JLCPCB Aluminum PCB manufacturing notes + USB connectors - Page 1 - EEVblog But the boards I received don't have plated through-holes, they're literally just top-layer pads with NPTHs drilled through them: In many cases, these are shorted together by the tearout reaching into the hole, past the isolation layer, and contacting the aluminium
pcb - JLPCB Design Rules for Altium CircuitMaker - Electrical . . . The issue is that it seems like a regular BGA footprint cannot even be produced by JLCPCB with those design rules I have downloaded a sample CAD model from STMicroelectronics and it seems that all the rules from that model violate the JLCPCB rules