Electronics Forum: temperature problems (Page 1 of 93)

Wave soldering preheat temperature

Electronics Forum | Mon Apr 16 12:59:51 EDT 2001 | Mike R

If you will place a temperature strip on the board during wave soldering process you will get a max of 210 F or 98.8 C which is normal on the standard wave temperature. The problem on the 10% solder on the TH via hole can be caused by insufficient fl

Solder bath temperature

Electronics Forum | Mon Jan 23 08:06:52 EST 2017 | bukas

i have an issue with solder bath temperature. there is a big difference in temperature of alloy in the middle of the bath and at the ends(about 35C). i took down heating elements for inspection and they look fine. its just that most of the heat is cr

About temperature sensitive component

Electronics Forum | Fri Sep 24 11:08:13 EDT 2004 | davef

We're not sure what you mean by temperature sensitive components. From an assembly process stand-point, every component we use is temperature sensitive to one level or another. More specifically, some of our products use polyphenylene sulfide (PPS)

Reflow temperature setting

Electronics Forum | Thu Jun 08 04:31:24 EDT 2006 | vasily

Hi First I think you have to analize your PCB design. Heavy weight components should be gathered on one side of PCB. As I think, if you want to reflow both sides simultaneously there might be a problem. A chance that large components will drop off

Suitable temperature for solderjoint ?

Electronics Forum | Mon Nov 15 12:27:33 EST 1999 | Wolfgang Busko

Hello everybody, engeneering came up with following problem: Considering worst case the get a temperature at a component (Resistor 0805) of 109�C and 99�C at the solderjoints. As a rule of thump I said that the max. suitable temperature for the solde

Re: high temperature solder alloy

Electronics Forum | Fri Oct 08 10:08:48 EDT 1999 | Glenn Robertson

| | | | I have a board, 4 spacers needed to be soldered on the board | | | | first with the normal 62Sn37Pb alloy. Then, capacitors are manually soldered on the boards. The density of the board is quite high. If we wave soldered capacitors first,

0402 pick problems

Electronics Forum | Thu Nov 16 14:22:48 EST 2000 | Kris

Howdy Y'all, I have seen a problem lately with getting the 0402 parts out of the tape and onto a PCB. We are using Universal HSPs with 8 X 2mm feeders in good condition. The components are manufactured by Rohm. The tape and components appear to b

double sidded reflow problems

Electronics Forum | Mon Aug 13 16:07:08 EDT 2007 | dyoungquist

We run double sided surface mount boards through our Heller oven without any parts falling off the bottom side unless they are too big/heavy. The trick we use is to set the bottom side temperature in the final 3 heat zones 10C-20C lower than the top

Kester paste problems

Electronics Forum | Tue May 22 12:27:04 EDT 2007 | cyber_wolf

I would consider calling Kester and telling them they need to send their people out. I could not really see mesh size being an issue on anything 20mil and above. There are several other issues that can cause aperture clogging as well...: Incorrect

rigid-Flex board via problems

Electronics Forum | Thu Jan 12 20:11:25 EST 2012 | davef

Isola water pressure. Between a 210°C normal tin lead cycle and a 250°C lead-free assembly cycle, the vapor pressure doubles. Reflow temperature [*C]||Vapor pressure of water [psi] 150||100 200||225 210||260 220||320 230||400 240||480 250||580 300||1

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