Any PCB can be manufactured with rounded edges, rounded corners, etc. With modern fabrication methods, it is conceivable that the entire PCB could be made into a round ball.
The mission of PCB is to support the components mounted on it, and to supply the electrical connections between them. As long as it carries out these two functions the actual, shape doesn’t matter.
consulte Mais informação: O que é uma placa PCB
#PCB Design
There is a copper pour over the entire top of the my PCB, which is part of GND net. It turns out that the surface mounted 1W LEDs I’m going to use have the heat slug connected internally to the LED’s +ve terminal. Can I rely on the solder mask to insulate the +ve voltage (~3V ish) from GND? Long term?
Recentemente comprei LEDs no ebay que deveriam vir anexados ao PCB estrela (como dissipador de calor). Os itens que recebi são apenas os LEDs (sem PCB). Eles estão listados como LEDs de 3W, com uma tensão direta de 3,0-3,4V, e corrente de 700mA. Danificarei/destruirei os LEDs se usá-los sem dissipador de calor? Se não, qual a melhor forma de montá-los para preservar sua vida durante a operação?
We are a trading company with a heath care brands. We just hesitate about whether design the medical device PCB by ourselves or outsource the design.
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