Electronics Forum: class 3 (Page 1 of 36)

class 3 filet height

Electronics Forum | Thu Oct 27 07:57:35 EDT 2005 | Bob R.

Nearly all of our assemblies have to meet class 3 requirements and we regularly use 5 and 6 mil stencils. If you've got reasonably well controlled processes you won't have any trouble getting class 3 joints on QFPs and discretes.

class 3 filet height

Electronics Forum | Wed Oct 26 14:29:55 EDT 2005 | barryg

We have a class 3 assembly we will be doing soon and I was wandering since the fillet heighth required for class 3 is 50% more than class 2, should I have my stencil thickness increased from 6 mil. to 7 mil.? This assembly is made up of 31 mil. pitch

class 3 labor rate

Electronics Forum | Wed Aug 20 10:31:41 EDT 2003 | billdampier

We have some new customers that are requiring class 3 IPC standards, and my question is, how would that translate into a labor rate increase as compared to class 2 rates? I'm assuming the labor quote would increase by at least 15-20%, if not more. An

class 2 vs class 3 cost for assembly

Electronics Forum | Mon Apr 13 18:18:31 EDT 2020 | wbrenner

Does any one have a general cost percent going from class 2 to class 3 for the same Assembly.. Or, general up charge percent when biding class 2 vs class 3?

class 2 vs class 3 cost for assembly

Electronics Forum | Wed Apr 15 04:08:14 EDT 2020 | SMTA-Davandran

Study on process flow. Charge base on additional effort put to meet Class 3.

class 2 vs class 3 cost for assembly

Electronics Forum | Tue Apr 14 08:58:45 EDT 2020 | emeto

Charge them double

Can I apply IPC-610 class 3 workmanship standards to an assembly made with a IPC-600 class 2 PCB?

Electronics Forum | Fri Feb 06 11:11:04 EST 2015 | mascott123

I have asked that same question to a co-chair of the J-STD-001 committee who in turn checked with personnel at IPC. The answer I received is that yes you can apply the Class 3 assembly requirements using a class 2 PWB but the resultant assembly will

Can I apply IPC-610 class 3 workmanship standards to an assembly made with a IPC-600 class 2 PCB?

Electronics Forum | Thu Feb 05 14:30:29 EST 2015 | chsravan

Can I apply IPC-610 class 3 workmanship standards to an assembly made with a IPC-600 class 2 PCB?

Can I apply IPC-610 class 3 workmanship standards to an assembly made with a IPC-600 class 2 PCB?

Electronics Forum | Fri Feb 06 18:32:59 EST 2015 | chsravan

Hi Scott,Thank you for the response. I was also thinking the same that the assembly will no longer be Class III. Thanks again.

Cree 3 color LED

Electronics Forum | Tue Oct 15 11:16:30 EDT 2019 | charliedci

We have been using Cree 3 color LED's (CLV6A-FKB) in many products for several years (pic attached). At the rate of 3 to 5% of the units assembled with this LED, the Red LED fails. After touch up with soldering iron it functions. This happens to the

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