Electronics Forum: hole and fill and less and than and 14 (Page 1 of 1)

SAC305 and Selective Soldering

Electronics Forum | Wed Sep 18 14:12:40 EDT 2013 | pjchonis

Hello Bachman. SAC305 is the most common lead-free solder alloy, not only for wave soldering but also selective. Most of our selective customers (especially automotive) are using SAC305. What is more important than the alloy to consider is the flux

Re: Geometric Dimensioning and Tolerancing

Electronics Forum | Sun Jun 07 02:06:26 EDT 1998 | Earl Moon

| Earl, | As always, I am interested in what you have to say, but I am still a little vague on your application of ANSI Y14.5 as it relates to the manufacturability of an assembled printed circuit board. Are you implying that component placement coor

BGA Baking & Tape and Reel Issue

Electronics Forum | Tue Sep 14 07:54:05 EDT 2004 | modwyer

Folks, At the moment I bake all BGA that are in unsealed trays, to reduce moisture etc. Is this common practice or are there particular manufacturuers that cause more problems. Also, the tape for BGA tape & reel has a hole in the tape (as is normal

Selective soldering pallets and solder balls

Electronics Forum | Tue Dec 10 14:10:38 EST 2002 | Randy Villeneuve

Steve, I wave solder most if not all our boards with selective wave pallets. I did not catch if the solder balls were on top of the board or on the bottom but that will make a difference on what to do to get rid of them. Pallets are good and bad. On

How to Differentiate Class 3 and Class 2 products in terms of process

Electronics Forum | Sat Jan 10 09:04:47 EST 2015 | jandon

class 3 requires 100% barrel fill Class 3 requires 75% vertical fill of solder for component with less or more than 14 leads. Not 100% fill.


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