Electronics Forum | Thu Mar 24 18:16:24 EDT 2011 | bandjwet
Dear SMTNetters: Does anyone have a good method for determining the solderability of leaded high power resistors? We currently are using Dip and Look and they always pass yet solderability issues remain... Thanks! BWET
Electronics Forum | Thu Jun 02 06:23:08 EDT 2011 | alcatel
1 chip has 2 solder pads....and both pads definitely has solder.... im not getting what you are trying to say.
Electronics Forum | Thu Jun 02 06:23:40 EDT 2011 | alcatel
1 chip has 2 solder pads....and both pads definitely has solder.... im not getting what you are trying to say.
Electronics Forum | Mon Jul 11 08:35:54 EDT 2011 | scottp
I see bare copper on top of some of the leads. Maybe that's normal and acceptable, but I would look at the underside (solderable surface) of the leads on some bare parts to make sure they're properly plated. Poor solderability can be one cause of v
Electronics Forum | Tue Sep 13 08:45:51 EDT 2011 | rgduval
Lead free solder does tend to resemble cold solder joints after processing. Generally, this is acceptable. The latest IPC 610 has pictures of acceptability of lead free solder joints, which you can use to compare to the joints that you are seeing o
Electronics Forum | Wed Sep 28 03:58:05 EDT 2011 | Jacki
Hi All My company is doing PCB assembly.To save cost, we change our wave solder bath from SnAg to SAC 305. What is the pros and cons for using SAC 305 solder? And,will affect to our quailty? Thanks in advance.
Electronics Forum | Thu Nov 10 21:25:49 EST 2011 | zaza
Hi Jacki, You should change to SN100C instead of SAC305. It give you excellent quality: 1. Can reduced solder short & icicles problem. 2. Very shinning solder joints. Rgds, Zaza
Electronics Forum | Wed Nov 16 12:54:00 EST 2011 | Shean Dalton
Jacki, your original post was regards to wave solder bath. With solder bar, there is no flux and you do not need to look for WS Sn100C. Sn100C is only a metal alloy. Regards, Shean
Electronics Forum | Tue Oct 11 11:17:04 EDT 2011 | adp23
are you familiar with UL 796, Printed Wiring Boards i believe they discuss some standards and test procedures regarding conductor material, and solder material but im not sure if UL actually lists solder material by it self.
Electronics Forum | Sun Oct 23 10:11:22 EDT 2011 | davef
Does your solder supplier buy-back solder?
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