Electronics Forum | Fri Mar 23 08:46:09 EDT 2012 | rwyman
I think you need some new suppliers. Any reputable supplier will have the M-code marked on the outside of the pkg, as that's a req't of J-STD-033. So if it ain't there, tell them they need to properly mark the pkg. Them telling you to "check the i
Electronics Forum | Thu Dec 05 14:04:58 EST 2019 | slthomas
It just looks like a transformer, as had been mentioned earlier, but w/o a part number (usually the parts are marked with some ID code) it's hard to know for sure. If that's the case and what we're seeing is one of the leads for the windings that c
Electronics Forum | Tue Mar 20 15:59:15 EDT 2007 | blnorman
We use preprinted labels and laser coding. For PCB we laser mark with CO2 (NdYAG for the aluminum heat spreaders). We either have an epoxy legend to burn out or we burn the solder mask to expose the copper ground plane underneath. Laser is a much
Electronics Forum | Tue Jan 05 14:37:18 EST 1999 | Dave f
| I would like to know if it exist a croos reference book for marking code on smt device? | I'm fixing a unit now and try to know what are the following devices: | The look like transistors and are mark like that "8A" |
Electronics Forum | Sat Sep 29 02:58:18 EDT 2012 | ericrr
I tried to look for "H890" on Internet and went nuts, (Thanks to Google) I would think H890 is part of a diode manufacturer part number. Have you tested it for a diode function? or maybe you have this is why you want a replacement. Tantalum capacito
Electronics Forum | Tue Aug 30 11:23:07 EDT 2005 | g2garyg2
AJ, there are a variety of laser marking systems in the marketplace. Most use a CO2 laser to mark PCBs. Since laser life is directly related to power available vs power used, you should try to get a system with a 30 watt power rating. Most marking i
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
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
Electronics Forum | Thu Jan 03 10:43:48 EST 2002 | davef
Just thought of something. Sorry to be late with this. If you decide to dewarp these boards, consider: * Marking the boards perminantly with a code to help key your failure analysis people that a customer return was processed differently than other
Electronics Forum | Thu Jan 11 08:20:55 EST 2007 | davef
Marking * SMD marking list on http://www.tkb-4u.com is more update than "The SMD Codebook" on http://www.marsport.demon.co.uk/smd/smdcode.htm * http://www.marsport.demon.co.uk/smd/mainframe.htm * http://www.chipdocs.com/pcat/015/1124.html * http:/
