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Re: Component solderability problems TO263 package

Electronics Forum | Thu Aug 10 12:14:12 EDT 2000 | Charles

It looks like a giant dpak device but with 5 leads. The problem is that on approx 3% of our boards one more pins are open circuit. It appears that the pins are not in contact with the pads. Board is HASL finish IR oven Paste Koki 953i. If you have a

Where do I Start?

Electronics Forum | Fri Sep 06 15:11:09 EDT 2002 | genny

Management is talking about the ability to do all our assembly in house. I would assume that realistically that we would eventually limit it to a few key products, but we are a high mix, relatively low volume company with volumes going up. We have

Quad 4C part placement rejection

Electronics Forum | Thu Nov 17 14:33:02 EST 2011 | olddog

Thanks again Bobpan for all of your help. I hope some of my questions are dumb ones. Regarding "first", the QA error 0, you were right. In checking the setup, for some reason theta was 65227 instead of the 0 that I thought I had set. Regarding "sec

Placement theta (rotation) adjustment

Electronics Forum | Tue Sep 12 14:35:41 EDT 2017 | deanm

In trying to have things run smoothly with placement, I have to do a lot of theta adjustment to get the rotation right during placement. Even if the part looks good on the PnP machine screen sometimes it places differently than what is shown. If I u

Placement theta (rotation) adjustment

Electronics Forum | Mon Sep 18 05:46:07 EDT 2017 | spoiltforchoice

As Evitomov says, provided you check everything is setup correctly there should be no issue. There can be some variation between manufacturers as to how they package certain components. For example 2512 resistors are usually in 12mm tape with a 4mm s

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