Tag Archives: Diodes

How NOT to Mark a Diode

Posted on January 10, 2013 by Duane

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 →

Posted in Screaming Circuits Blog | Tagged , | 2 Comments

Electrolytic Ambiguity

Posted on July 6, 2012 by Duane

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

Posted on October 28, 2009 by Duane

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