Blvdre Posted October 21, 2020 Share Posted October 21, 2020 Installing my 3636 Autoformers and will be using terminals for connection (so that the mid attenuation can be changed on the fly). The manufacturer doesn't apply a mask on the autoformer tabs before varnish is applied to the part, so they're all covered in the stuff. I tried burning off with my iron, but it's a mess and does a bad job of it. Any ideas for cleaning these up? Quote Link to comment Share on other sites More sharing options...
Blvdre Posted October 21, 2020 Author Share Posted October 21, 2020 Resorted to acetone and a rat-tail file. Seems to have worked OK. 2 Quote Link to comment Share on other sites More sharing options...
babadono Posted October 22, 2020 Share Posted October 22, 2020 Wow really? Are you sure it wasn't just flux? Just curious. I guess they figure most are going to solder to them and so it doesn't matter. But this is poor quality and quality control in my opinion. Quote Link to comment Share on other sites More sharing options...
Blvdre Posted October 22, 2020 Author Share Posted October 22, 2020 No, not flux. They varnish the whole assembly, and I think you’re right: they figure people are going to solder to the tabs. I wouldn’t call it poor quality control, as the part is being built as intended. You could call it poor process, but masking costs extra, and the manufacturer is trying to hit a cost point. Inconvenient, though. Quote Link to comment Share on other sites More sharing options...
Deang Posted October 23, 2020 Share Posted October 23, 2020 If soldering, it just melts out of the way. If you want to use disconnects, just scrape it off with an exacto knife. 1 Quote Link to comment Share on other sites More sharing options...
Blvdre Posted October 23, 2020 Author Share Posted October 23, 2020 7 hours ago, Deang said: If soldering, it just melts out of the way. If you want to use disconnects, just scrape it off with an exacto knife. I'm using terminals for easy changes (I always solder the crimped terminals, though. Can't help myself). I had started with an X-acto, but switched to a small rat-tail file, which sped things up. Cleaned up with acetone, ready to go. 1 Quote Link to comment Share on other sites More sharing options...
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