Electronics Forum | Mon Jan 10 03:10:19 EST 2000 | H.J.Zwier
Hi Robert, Try looking at www.marsport.demon.co.uk/smd/ This site contains a list of html files with all marking codes known at this moment. Your example of a transistor with marking code 8A can be a 3V3 zener diode or a npn general purpose transi
Electronics Forum | Thu Aug 22 20:34:19 EDT 2002 | chao liang
thank you , Mark thank you so much
Electronics Forum | Mon Jun 04 10:40:37 EDT 2012 | davef
I'm not aware of any such stipulation about witness [probe] marks for assembled boards, per se. Certainly, witness marks should not affect the intended performance of the assembly, you know, like damaging the solder connection or smudging solder mate
Electronics Forum | Fri Jul 07 11:06:44 EDT 2000 | John O'Brien
You ought to consider Data Matrix directly marked on the boards It can be done with laser, inkjet, or other permanent marking methods. Never falls off, can be read even if 30% is obliterated. For an example, check any AMD (K6, K7) or Intel Pentium c
Electronics Forum | Tue Mar 04 20:47:48 EST 2008 | davef
Available on the web, JEDEC PUBLICATION 95, DESIGN GUIDE 4.14, Ball Grid Array Package (BGA), Figure 4.14-3, Note 10: A1 corner must be identified by chamfer, ink, mark, metalized markings, indentation or other feature of package body, lid or integra
Electronics Forum | Thu Dec 18 08:30:34 EST 1997 | Amer Alshawa
I have four types of transistor, on each there is one of the following markings: M3JH, R24, T88 and A225. I could not figure out what type of transistors are they...ANy help will be appreciated
Electronics Forum | Wed Dec 17 12:48:15 EST 1997 | Mike Cox
I need information on how to interpret the markings on ceramic chip caps. IE: a3 = .01uf etc. Any info on a source would be great Mike Cox
Electronics Forum | Thu Jul 25 15:00:37 EDT 2002 | Claude_Couture
1: I use the fiducial mark as bad board mark. 2: First get the X sensor installed on the machine, then use method 1. 3: other methods: group boards according to which unit is X out. Then edit NC program to skip corresponding X out.
Electronics Forum | Mon Feb 06 10:37:17 EST 2006 | cyber_wolf
Is it possible to identify the part# of an SMT diode by the markings on the top of the part. The part(s) are in an SOT23 package. I have 2 parts. The markings are: KZ2 P3 and KJE ON Thanks
Electronics Forum | Wed May 12 07:46:07 EDT 2004 | Mark
Give me a holler on mark@beiwisconsin and we will talk more via email.
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