Electronics Forum: 2

Epoxy on bottom of SMT component

Electronics Forum | Sun Dec 02 22:03:14 EST 2007 | shy

Hi Habsfan, if we're mount the THP first, we can't run SMT due to tTHP is tall and big which will causing the PNP to be chaos. Btw, my solder paste location is more than glue location which (solder paste : glue) is 2:1.

Topaz X Head Optimization

Electronics Forum | Thu Mar 15 21:57:41 EDT 2012 | daniel26

On your mount data it has to go 8,7,6,5,4,3,2,1 once it goes to a higher number then the previous it has place and start over try that out

SCS 4398 COATER

Electronics Forum | Tue Jul 30 00:42:10 EDT 2013 | bigvern

Hi, if anyone has a copy of the user and or programming manuals for a SCS/CAMALOT 4398 Selective conformal coater running SW V 2.1A , it would be much appreciated if you could get in touch. Cheers and have a great day.

Require software for Heller 1707EXL

Electronics Forum | Tue Jul 30 03:57:29 EDT 2019 | SMTA-David

Hi, I am looking for software for 2003 model 1707 EXL reflow oven (HC1 controller). I believe latest version for that model is 1.0.6.5.8 (98 Win) or 4.0.2.1 for XP. Thanks

ERSA EWS 330 fluxer software ERSAsoft 2.1 ???

Electronics Forum | Thu May 14 13:10:59 EDT 2020 | bukas

Hello, anyone got a installation software for ERSA EWS330? Can it run on winXP? Thanks.

Repair of FR4 double-sided pcb

Electronics Forum | Thu Aug 22 07:48:30 EDT 2002 | Dave Milk

While separating individual pcbs from a panel, operators have caused delamination of the edge of the board, at the tabs that were cut. How can these boards be repaired? The delamination causes them to fail J-STD-001C 9.2.1.1.d. Also, what would yo

Acceptance Criteria Ion Chromatography testing?

Electronics Forum | Thu May 31 21:45:48 EDT 2012 | davef

rsthompson ... if you're talking about bare boards IPC-5701, Users Guide for Cleanliness of Unpopulated PBC, Table 8 ||Bare board final surface finish Ions||Hot air solder level||OSP over copper||Gold over nickel Chloride||0.75 ug/cm^2||0.75 ug/cm^2

Power Supply - Capacitor's

Electronics Forum | Sat Mar 09 06:52:07 EST 2002 | davef

14,000 uf now that's a BAC!!! Your thinking is correct. Connecting capacitors together works just opposite to connecting resistors together. * Capacitors in parallel add like resistors in series [Ct = C1 + C2 + ... Cn]. * Capacitors in series add l

Re: Wave Solder balls

Electronics Forum | Tue Nov 03 16:28:21 EST 1998 | Dave F

| Well my process is I'm running my belt speed at 3.50fpm and about 215 to 225 degrees top side. I got my main wave down to a little less than half the board thickness. I'm not using a hot air knife cause we thought it might create more of a problem

Trying to solder on the solder destination to fill PTHs. Does any IPC standard have requirements for this?

Electronics Forum | Thu Nov 29 22:51:18 EST 2018 | jandon

IPC J-STD-001F: 6.2.1 Solder Application: Solder shall (N1D1D3) only be applied to the one side of a PTH except for intrusive soldering. Heat may be simultaneously applied to the both sides of the PTH.


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