Electronics Forum: practical components (Page 1 of 30)

Rework of SMT components

Electronics Forum | Tue Nov 29 22:16:43 EST 2005 | ams_gen

Hello, Could any body direct me to guidelines describing the best practices for rework of perimeter array components (such at SOIC's and QFP's) or may be share your opinion of the best approach to do this? Thanx, AMS

Reparing 0201 components on PCB-boards

Electronics Forum | Mon Nov 12 16:11:59 EST 2001 | davef

Listen. Reworking 0201 is too expensive. Here�s watt yado � * Cut the lil� suka between the pads on the board using side cutters. * Flick each piece from its pad, after melting the solder with a standard soldering iron. * Solder the terminations

Pb-Free solder alloying with finish on components

Electronics Forum | Tue Aug 22 09:49:39 EDT 2000 | galltp

Dr. Lee, We have seen a small decrease in shear strength for Pb/Sn plated components attached with Sn/Ag/Cu solder compared to components with a Pb-free finish. With the jump in the cost of Pd, we are struggling to define a practical Pb-free

lead free components in leaded process

Electronics Forum | Thu Jul 19 04:38:33 EDT 2007 | chrispy1963

I took a Lead Free troubleshooting Class at SMTA in Chicago last September taught by Phil Zarrow. He told us during that seminar that its not a good practice to cross contaminate Leaded and Lead Free components but IF it is necesary than using lead

Where to find Lead free components

Electronics Forum | Thu Sep 09 09:04:52 EDT 2004 | pjc

http://www.practicalcomponents.com/dummy-components.htm "Nearly all package types are now available in lead-free formulations." http://www.toplinecomponents.com/Products_LeadFree.cfm "TopLine has the widest selection of Lead Free Dummy Packages a

Solder Paste and fine pitch components

Electronics Forum | Wed Sep 18 12:31:16 EDT 2002 | dragonslayr

My suggestion is to conduct a Design For Manufacturing (DFM)study on the assembly in question. Pay particular attention to the pad sizes, component lead dimensions and satisfy yourself that those two factors are correct. Given that pads match compone

lead free components in leaded process

Electronics Forum | Fri Jul 20 13:18:54 EDT 2007 | samir

You know the old addage, "Those who can't do teach." From my own experience with some of these "well-known consultants", they know lots of textbook theory, and..they speak in buzzwords and cliches (just like their magazine articles). I'm not saying

Re: require suggestions for selecting components for a showboard

Electronics Forum | Mon Sep 21 21:21:32 EDT 1998 | Steve Gregory

| am working on the design of a showboard to demonstrate our | assembly capabilities. we are working with double sided assemblies involving BGAs and CSPs. could someone suggest | types of BGAs/ CSPs (type, name, I/O, etc)that would be a challenge t

Reflow soldering of lead-free components with leaded solder paste

Electronics Forum | Fri Feb 23 09:35:36 EST 2024 | emanuel

We have the standard profile as a template made according to the solder paste specs. For some boards we measure the result at 2 points, on the board itself and on top of a sensitive SOT263 module and adjust accordingly. The solder paste is well kept,

Simultaneous pick up with 0402 and 0201 components

Electronics Forum | Fri May 06 07:58:33 EDT 2016 | cyber_wolf

Darby, I'm not completely sure I understand. Juki machines have what is referred to as a multi-head. The offsets between the heads are the same as the spacing between 8mm feeders. So the (6) heads all come down at once and "gang pick" from 6 8mm fee

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