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Yesterday, I wrote about my foibles in ignoring my

Mon, 01/24/2011 - 10:21am
Screaming Circuits

Yesterday, I wrote about my foibles in ignoring my own advice. As SiliconFarmer pointed outRework 002 cropped over on Twitter, it's not just something you need to do when you're re-purposing a close land pattern. Sometimes even the "correct" pattern can have the wrong drill size or a few mixed up pins.

The bottom line is that if you want to reduce the chance of scrapping some expensive PCBs, or having spots that look like what I did (on the right here), check your land patterns.

I couldn't find my wire-wrap wire late last night, so instead, I used the leads from old thru-hole resistors. It's kind of a mess, but I do like the hatch-markish look that I gave it.

Not to shift any blame off of myself, but I do find it quite annoying when a part falls into such a common standard configuration, as in three-terminal regulator, but the manufacturer picks a different pin-out.

Duane Benson

The problem with unwritten rules is that they're unwritten

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