Electronics Forum | Sun Nov 27 05:06:25 EST 2011 | siaomuay
Hello I'm just study PCB in my company. I found many Surface PCB have some contaminate and can not specify what it is. Size is around 2 mm2 . Sometime I send to supplier and they said it is solder paste or some dirty flux. please see contaminate1
Electronics Forum | Sat Dec 17 16:46:45 EST 2011 | eadthem
Startup current depends on your configuration. ours dose zones 1,2/ 3,4/ 5/ 6,7 last i checked it pulled about 40-55 ish on start up and 25-35 during run. our profile is a slow ramp till 170c then a fast ramp to 285c 280c(last 2 zones). 1707's
Electronics Forum | Wed Dec 14 19:49:11 EST 2011 | joeherz
Been awhile.... We are in the process of determining where are gaps are for compliance to J-STD-001E and I have a question for those in the know. This section of the standard says the following: ----------- Electronic/mechanical components (includi
Electronics Forum | Tue Feb 07 05:36:30 EST 2012 | ngineer
Yup, that sounds right. I did try one with red > on top on one side and white on top on the other > side. Oops, blew a capacitor out of the back of > the base. If anyone else Has these, here's how > it goes to make them work: Top pin on both
Electronics Forum | Tue Mar 06 08:00:30 EST 2012 | acsscott
Thanks for your input. I heard about the component size from someone else as well. They said if the component is greater than 8.4mm, it will not load another component next to it on an adjacent head, which is only 16mm away. The PLCC6 LED's are 5
Electronics Forum | Tue Mar 06 17:22:42 EST 2012 | acsscott
OK, did some more testing this afternoon. First, I moved the LED’s from feeder location #23 to Feeder location 30. This is three down from the other component(#33) it is picking, so it should be able to hit them both at the same time for two of the
Electronics Forum | Tue Mar 06 17:24:31 EST 2012 | acsscott
OK, did some more testing this afternoon. First, I moved the LED’s from feeder location #23 to Feeder location 30. This is three down from the other component(#33) it is picking, so it should be able to hit them both at the same time for two of the
Electronics Forum | Thu Apr 19 20:21:07 EDT 2012 | eadthem
You might keep a eye on SMT auctions, Sometimes you can get a good deal. As long as you get the feeder for less than 100-200$ each at auction/ up to 500$ each for a dual lane, you can be assured that you can fix it to fully working if its broken
Electronics Forum | Mon Apr 09 19:50:33 EDT 2012 | action_101
Hello, We're building some boards with 01005's and the only issue we are running into is the solder is not reflowing. It's the damnest thing, we are having no issues with the printing process or placing the components, the two areas we thought we wo
Electronics Forum | Thu May 17 11:39:38 EDT 2012 | stentech
Hi again quickly. Anyone need a sample let me know ..no charge. I would be evry interested in your findings and can give many references for you to talk to..customers. Scott I am working on a project with different cut parameters very time consuming
