Electronics Forum: pth soldering cycle time (Page 1 of 42)

Solder paste life cycle inside incubator

Electronics Forum | Tue Aug 15 15:26:56 EDT 2006 | Ben Jong

HI, I had a question for very generalise questionires from my Kitting dept with very usual enquiries prompting me that : For the after open seal solder paste tube later kept inside storage, how long that half way use solder paste can be still conside

Reflow time

Electronics Forum | Fri Dec 16 10:45:41 EST 2005 | campos

Hi,, My doubt is regarding to the Reflow Time, I mean, in a 5 or 7 zones oves, how long the board should stay inside the oven to complete the soldering cycle? 4 min, more, less...Should I keep low temp until peak for a long time or high temp in shor

Re: High temperature soldering

Electronics Forum | Fri Apr 24 20:33:06 EDT 1998 | D.Lange

| Looking for anyone who has experience with high temperature soldering. Need to determine why solder joints are failing. Thermocycling of unit is -40C to +140C, 30 minute dwell time, 10 sec. transition time | Your help is appreciated | Ed Holton |

Selective soldering

Electronics Forum | Fri Jun 06 13:00:40 EDT 2008 | gdzuber

Hello, The answer to your question depends on your using a point-to-point system, or nozzles. Some companies might use 3mm as the nozzle wall width. There are many approaches to selective soldering, depending on your desired cycle time. I can g

wave soldering two times

Electronics Forum | Sat Aug 04 07:44:25 EDT 2007 | davef

Thermal cycle* * Requirements for and troubleshooting of poor barrel fill => Hole fill

wave soldering two times

Electronics Forum | Mon Aug 06 15:34:34 EDT 2007 | Hussman

I assume you are ref to top side wetting. In that case you may need to spray the top side of the board with flux to get it to fill. I would suggest ceaning the board afterwards. And yes you can rerun boards through the wave several times. Most pa

double side reflow soldering

Electronics Forum | Tue May 14 21:07:03 EDT 2002 | ianchan

Hi mates, Yes, the lighter mass is a valid reasoning. in addition to the "lighter (mass) than thou" point of view, 1) the first reason for mounting active Parts (eg. IC, QFP, LGA...) is to minimize the temperature exposure of the Parts to a single

Wave soldering preheat temperature

Electronics Forum | Sat Apr 14 00:04:21 EDT 2001 | zam_bri

I'm not a Wave soldering guy and my friend have asked me a question on what is the best preheat time and temperature for Wave soldering.They experiences only 10% flow up thru the PTH barrel. I've asked them to increase the temperatue to 120 Deg C. Cu

Ag/Pd termination reflow soldering issues

Electronics Forum | Wed Apr 18 08:14:20 EDT 2007 | davef

Silver palladium termination * AgPd-terminated capacitors are designed for conductive adhesion. Reflow or wave soldering is not recommended. [EPCOS Multilayer ceramic capacitors, Soldering directions, October 2006] * CONDUCTIVE EPOXY BONDING. Epoxy c

SN100C vs. SAC 305 wave soldering

Electronics Forum | Thu Dec 29 22:19:36 EST 2005 | Joseph

We have tested SN100C for LF wave soldering process since August'05 and currently start production for a month ago. Initially we use SAC305, but due to the shrinkage cavities (micro-crack) we changeover to SN100C. In summary, SN100C did perform well

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