Electronics Forum: juki 70

looking for Wincon 2.0

Electronics Forum | Tue Jun 11 17:56:22 EDT 2024 | ttheis

I have Wincon 1.04E from our VIP70; not sure if that will work for you.

Reflow Profile ENIG Vs. Immersion Ag

Electronics Forum | Thu Mar 24 07:06:06 EST 2005 | davef

There's a lot of comparison tables on the web. Here's one: Properties - Summary [A Winlow Circatex] Attribute||Hasl||Immersion Silver||Immersion Tin||Electroless Pd||OSP||Eless Ni / Imm Au Shelf Life (months)||12||12||12||12||12||6 Multiple Reflows

Gold Surface Finish on PCB's

Electronics Forum | Thu Dec 08 07:55:16 EST 2005 | davef

Your understanding of the situation is correct. In both cases, you solder to the nickel. The gold [Au] protects the nickel from oxidation. When soldering, the gold moves into solution in the solder and forms an intermetallic compound [IMC] with th

BTU VIP70 help

Electronics Forum | Sat Dec 10 22:41:41 EST 2016 | ttheis

Hi Ray, BTU was not too helpful with me because we bought the machine second (probably third or fourth) hand. I bought some FCU's from Ed at Assured Technical Services (assuredtech@yahoo.com) and a hard drive that had the Wincon software we needed.

Re: Printed Circuit Board Material

Electronics Forum | Wed Oct 18 16:41:35 EDT 2000 | Dave F

It's unrealistic to think that two materials with the following disperant properties would have the same reflow profile. From http://www.norplex.com/Carrier.htm Physical Properties / NEMA FR-4 / NEMA CEM-1 Glass transition temperature �C / 130 / 10

Re: Passive SMD components codification

Electronics Forum | Thu Feb 17 22:30:09 EST 2000 | Dave F

Alberto: There's no rules, but it works sorta like this: RESISTORS Usually marked in ohms using a standard code: First two numbers is the value Third number is the multiplier 102 = 1.0 x 10� ohm = 1000 ohm = 1 kW CAPACITOR Usually not marked. When

Re: Passive SMD components codification

Electronics Forum | Thu Feb 17 22:30:09 EST 2000 | Dave F

Alberto: There's no rules, but it works sorta like this: RESISTORS Usually marked in ohms using a standard code: First two numbers is the value Third number is the multiplier 102 = 1.0 x 10� ohm = 1000 ohm = 1 kW CAPACITOR Usually not marked. When

smt codes

Electronics Forum | Tue Aug 24 23:04:14 EDT 2004 | pdeuel

If this code is on a ceramic cap then it is a 0.1uf cap. We have a conversion charts that list most all codes. Useing the last 2 digets only determine the value. The capatol letters A thru Z are given specfic numerical value. Example A0 is 1.0pf, A1

CP-642 specific part missing/inconsistent

Electronics Forum | Tue May 05 06:50:14 EDT 2020 | greezmky

I am having an issue with our CP-642. It will place fine a great deal of the time however when there is a feeder issue or if the cycle changes, after a part is replenished, it will suddenly miss RS1A diodes on the boards for about five to ten boards

0402 stencil design

Electronics Forum | Tue Feb 04 22:28:16 EST 2003 | davef

You could reduce the paste by about 70%. Solder balling and tombstoning will be the issues to fight. The drivers to these don't change with the component size. Use the fine SMTnet Archives for background. Aperture Size and Thickness of Solder Pas

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