Electronics Forum: 1.7 (Page 1 of 6)

RoHS Channel Stock

Electronics Forum | Fri Jun 30 17:57:46 EDT 2006 | GS

Bert what you say is correct, the RoHS says "put EEE first time on the market", so that means that if EEE have been sold to a Importer before 1 July 2006 (demonstrate by invoicing and not sure but also customer clearance documentation) they can be p

SMD Double Splice Tape

Electronics Forum | Mon Dec 08 16:21:47 EST 2003 | J Mac Kenzie

We are a distributor located in Texas and we carry splicing tape. Dimensions 3 1/16" X 1 7/8" Let us know if we can help you. Ph: 915 921-6899 Fax: 915 921-6897

SMD Double Splice Tape

Electronics Forum | Mon Dec 08 16:21:57 EST 2003 | J Mac Kenzie

We are a distributor located in Texas and we carry splicing tape. Dimensions 3 1/16" X 1 7/8" Let us know if we can help you. Ph: 915 921-6899 Fax: 915 921-6897

RoHS 1/7/2006 (EU)

Electronics Forum | Fri Sep 24 13:46:35 EDT 2004 | Nick Prince

More importantly...... How is it going to be measured? Who is going to measure? Who is going to enforce implimentation? The whole issue is a time bomb waiting to explode.

TNT-A capacitors placement problem at CP-6

Electronics Forum | Sun Dec 24 15:30:07 EST 2006 | pima

hello Everybody I would like to ask you for advise. I'm fighting with correct placing one of capacitors in TNT-A package at CP-6 machine. Size of this component is: L=3,4 mm W=1,7 H=1,7 Its Tantalium with J-lead. I use for this component vision type

RoHS 1/7/2006 (EU)

Electronics Forum | Wed Sep 22 13:56:24 EDT 2004 | GS

Hello everybody, are this the values still required by RoHS or there have been some modification ? - Maximum concentration Lead (Pb) 0,1 weight% - value of heavy metals Mercury 0,1 weight% - Cadmium 0,01 weight% - Chromium VI 0,1 weight% - Maximum

RoHS 1/7/2006 (EU)

Electronics Forum | Wed Sep 22 16:46:59 EDT 2004 | davef

RoHS Directive 2002/95/EC: http://www.dti.gov.uk/sustainability/pdfs/finalrohs.pdf WEEE Directive 2002/96/EC: http://www.dti.gov.uk/sustainability/pdfs/finalweee.pdf ELV Directive 2000/53/EC: http://www.dti.gov.uk/environment/consultations/L269dire

TNT-A capacitors placement problem at CP-6

Electronics Forum | Tue Jan 02 02:30:18 EST 2007 | _____

Ahh yes, 254. Don't give up on the other vision types. 254 can give you skewing as well. Your width and height are awfull close. Even with the 0.5 tolerance it is using the tolerance and saying that it is OKAY. Maybe what you measure is 1.8mm for wit

BGA process

Electronics Forum | Thu Jul 17 08:17:50 EDT 2008 | edmaya33

5 mil stencil.instead of round, use diamond aperture. RSS profile @ 215�C peak temp on balls(Sn/Pb), with a total of 3.5 minutes profile lenght.Ramp rate at 1.7�C/sec from ambient to 160�C. Consider also good cooling system on reflow. If rework proc

Fine Pitch Printing Issues

Electronics Forum | Mon May 24 13:11:12 EDT 2010 | deanm

A guideline that I use agrees with MikeS: For 20mil pitch, apertures should be 9-10mil with a stencil thickness of 5-6mils to achieve an acceptable aspect ratio of 1.7. Just be sure you are using a mesh Type 3 or 4 solder paste. Otherwise, larger par

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