Electronics Forum | Tue Sep 28 12:23:07 EDT 2021 | aex
reflow profiles are actually 20F above set points
Electronics Forum | Thu Feb 20 07:48:16 EST 2020 | benreben
Hello, The oven profil is not the solution! The only solution for the solder mount on the side is to put gel flux on the side of qfn and make a second travel in reflow . The flux remove oxyde from the copper that is not tinned and the solder is able
Electronics Forum | Tue Sep 28 11:58:09 EDT 2021 | stephendo
Do you mean reflow profiles are showing 20F above set points or is the oven display is showing 20F above set points?
Electronics Forum | Tue Feb 11 13:22:22 EST 2020 | rgduval
Sebas, I suspect that your finding of needing the fillet for the card to work is a false finding. One that I dealt with for many years in assembly. As a bottom terminated device, a fillet to the side terminals of the device is not required. Adequ
Electronics Forum | Sun Apr 10 14:08:29 EDT 2005 | greg
Hi there I have a question about reflow oven for Pb-free technology. I've noticed that some of the manufactures offer reflow ovens with short (26-30 lenght in cm) heat zones others offer longer more then 30 cm. So there are ovens with total heat len
Electronics Forum | Mon May 24 15:50:11 EDT 2004 | Rob
hi all What do you think about soldering pb-free in reflow oven (air) lenght 1,7m (5 zones top,bottom) with max zone temp. 300C? Do you think that this process will be stable? Our max PCb dimension 260x260 mm. When i compare different oven producer t
Electronics Forum | Tue Feb 19 08:41:02 EST 2019 | prasanth
dear experts, i want your suggestion for getting a profile in Heller 1707 mk iii series re-flow machine ,its 7 zone machine recently we had a solder ability issues , so pls guide me ,how to set rts profile parameters
Electronics Forum | Mon Apr 11 06:37:59 EDT 2005 | amstech
As long as you have a continuous profile with required soak and dwell periods, the zone lengths do not matter. For lead free, usually ramp to peak is preffered.that is with minimum soak (you can not avoid soak anyway. You can achieve the profiles irr
Electronics Forum | Tue Feb 19 08:57:43 EST 2019 | prasanth
hello experts if you had anyone rts and rss profiles HELLER 1707 MK III series 7 zone machine pls forward me prasanth
Electronics Forum | Sun Mar 25 17:02:41 EDT 2007 | johnwnz
Folks, I may be havign a thick day, it is Monday afterall and it has been very sunny over the weekend. We have recently started buildign a fairly high volume of products that is using intrusive reflow on two PTH DIN connectors and havign soem good s