Electronics Forum: sac305 to other solder (Page 10 of 28)

Re: Soldering to Gold

Electronics Forum | Fri Sep 17 06:01:12 EDT 1999 | Earl Moon

| | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a re

Re: Soldering to Gold

Electronics Forum | Sat Sep 18 12:27:21 EDT 1999 | Earl Moon

| | | Dave, I'll respond by paragraph: | | | | | Brian: | | | | I like Ag2 also. I prefer it over both 63/37 and 60/40, if the price is not a factor. Yes, gold rips through eutectic and near-eutectic solders like habanero slathered shiitake

Re: Soldering to Gold

Electronics Forum | Sat Sep 18 13:05:57 EDT 1999 | Brian

| | | | | | Dave, I'll respond by paragraph: | | | | | | | Brian: | | | | | | I like Ag2 also. I prefer it over both 63/37 and 60/40, if the price is not a factor. Yes, gold rips through eutectic and near-eutectic solders like habanero slath

Re: Soldering to Gold

Electronics Forum | Sat Sep 18 14:37:00 EDT 1999 | Earl Moon

| | | | | | | | | Dave, I'll respond by paragraph: | | | | | | | | | Brian: | | | | | | | | I like Ag2 also. I prefer it over both 63/37 and 60/40, if the price is not a factor. Yes, gold rips through eutectic and near-eutectic solders like

Do we have to go lead free???

Electronics Forum | Tue Feb 01 15:54:53 EST 2005 | jbrower

Hi George, The simple answer is that if you're company only does business in the US, or South america or Antartica or any where else that you aren't frozen out due to RoHS and the WEEE directives, then going lead free may not make sense. Unless your

Insufficient Wetting to Lands

Electronics Forum | Sun Nov 24 09:54:24 EST 2002 | davef

On a HASL board that has poor wetting on the pad, consider looking further downstream in the process than your assembly shop. For instance, take a look at the bare boards. Look for solder mask bleed onto the pads. This will show-up on the outside

Re: Soldering to Gold

Electronics Forum | Fri Sep 17 09:54:40 EDT 1999 | Brian

| | | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a

Re: Soldering to Gold

Electronics Forum | Fri Sep 17 10:09:17 EDT 1999 | Earl Moon

| | | | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However,

SAC305 preforms not wetting to ENIG pad in fluxless process

Electronics Forum | Mon May 17 13:21:45 EDT 2021 | SMTA-64387881

PWB Bake out or other elevated temperture processes can cause issues with oxidation of that Nickel layer. The gold porosity can vary from batch to batch, but also process changes can contribute. Are you baking the boards or have previous reflow pro

Re: Soldering to Gold

Electronics Forum | Sat Sep 18 04:42:52 EDT 1999 | Brian

Dave, I'll respond by paragraph: | | | Brian: | | I like Ag2 also. I prefer it over both 63/37 and 60/40, if the price is not a factor. Yes, gold rips through eutectic and near-eutectic solders like habanero slathered shiitake burritos through


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