Electronics Forum: excess solder on qfn (Page 1 of 6)

Excess solder on pins

Electronics Forum | Wed Jul 08 15:18:20 EDT 1998 | Upinder Singh

We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all the parame

Re: Excess solder on pins

Electronics Forum | Wed Jul 22 15:05:31 EDT 1998 | Dave F

| | | | We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all

Re: Excess solder on pins

Electronics Forum | Wed Jul 15 15:18:12 EDT 1998 | Upinder Singh

| | We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all the p

Re: Excess solder on pins

Electronics Forum | Thu Jul 09 17:12:00 EDT 1998 | Dave F

| We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all the par

Re: Excess solder on pins

Electronics Forum | Tue Jul 14 15:21:28 EDT 1998 | Brian Conner

| We are wave soldering a board having 24 similar thru hole connectors on it, using a wave soldering pallet. The problem is that one particular pin of connector in around 6-9 connectors get excess solder on the bottom side. I have tried all the par

Re: Excess solder on pins

Electronics Forum | Fri Jul 10 13:58:49 EDT 1998 | Bob Willis

The parameters which effect the problem you are having are flux and contact time try first increasing the flux you are applying. Next reduce the contact time in the wave by adjusting the back flow plate. If the problem is a jig design check out the j

solder skips in chip wave on a NU/ERA wave solder

Electronics Forum | Tue May 26 06:56:40 EDT 2009 | xinxi

Hi! From your post, it seem like the wave did not really touch the component. You probably need to get the both wave height correct and that it hits the component.It is normal for solder to come through the PCB when using chip wave. The through-hole

Waves soldering: not enough solder remaining on pads

Electronics Forum | Tue May 23 02:41:37 EDT 2017 | zsoden

Thanks Bukas. I've actually gone to a lot of trouble over the past 24 months to completely clean, rebuild and adjust the pump and nozzle assemblies and even through all of that we've still never been able to get theoretical maximal wave height from t

Solderability Problem on NiPdAu

Electronics Forum | Sun Sep 12 12:45:56 EDT 2010 | tony1

Hi there, does anyone experience in NiPdAu solderability dip & look test? I experiencing solder non wet issue on side I/O & also center ground for QFN package. Appreciate someone can offer me a solution. Thanks

Solder balls on Ceramic

Electronics Forum | Fri Mar 25 10:50:01 EDT 2011 | grahamcooper22

3 deg / sec) then the flux can slump from the paste and solder is carried with it off the pad and will form balls. Finally, are your pcbs dry ? Pass a bare one through the reflow oven before you print any paste on it, let it cool and then process as

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