Tag Archives: Diodes

How NOT to Mark a Diode

A while back, I wrote about ambiguity in the markings on electrolytic capacitors. In doing that, I cobbled together a little image to illustrate how surface mount electrolytics are marked. Take a look at the image below: Note how I … Continue reading

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Electrolytic Ambiguity

I’ve written about ambiguity a few times before, like this post about fiducials. But I’m not talking about the PCB today. I’m talking parts. More specifically, I’m talking about silkscreen markings for your parts on the PCB. Diodes have a … Continue reading

Posted in Laying It Out, Screaming Circuits Blog | Tagged , , , | 1 Comment

Diode Silk Screen Markings

It still happens. In fact, it just happened last night. We had a PCB with plus (+) mark to indicate the polarity of diode. Unfortunately, that doesn’t tell us which way to put the diode. (Read why here.) You just … Continue reading

Posted in Screaming Circuits Blog | Tagged , | 3 Comments