Electronics Forum: diode marked 5d (Page 1 of 3)

component markings

Electronics Forum | Thu Oct 16 07:38:35 EDT 2008 | rway

There are seconds when it comes to components. Find out what her sources are and if she is purchasing from a reputable vendor. She may be doing what all purchasing agents do, and that is finding the best deal out there. Especially if her review de

Help With Marking codes

Electronics Forum | Tue Dec 14 08:51:13 EST 1999 | Tony F

I am in need of some help. I was wondering if anyone knew of a site or book that I can get that will tell me what the marking codes on smt components are. Such as diodes and transistors. Any help offered is greatly appreciated

SOT-23 Package Markings

Electronics Forum | Tue Dec 26 17:59:52 EST 2000 | Dan Dickey

I am in need in identifing these 2 components. I am new in the SMD world so bear with me. These are in a SOT-23 package. Need to idendify. 1\ C5D 2\ R2T 3\ R2X Thanks, Regards, Dan

Removing soldermask from populated boards (PCBAs)

Electronics Forum | Sat Jan 14 11:22:04 EST 2023 | proy

Hello - I have seen this work effectively with a diode laser. I recently purchased a CO2 laser which I am certain would work. 10-20w diode lasers (used for marking and engraving) would likely work. The resist burns away, but the copper then dissipate

Re: Marking Codes

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

Identifying SMT sot23 diodes ?

Electronics Forum | Mon Feb 06 10:41:35 EST 2006 | russ

It is possible. It is of great help to know the Mfgr. however. Within the Mfgr specs they will give you the part marking.

Identifying SMT sot23 diodes ?

Electronics Forum | Mon Feb 06 11:41:11 EST 2006 | slthomas

Pretty much what Russ said, with the addition that going to a major distributor's site (mouser, digikey) and searching for those marking codes might get you where you want to go quickly.

Defect in diode(Reverse Polarity)

Electronics Forum | Fri Apr 07 11:17:54 EDT 2023 | proceng1

Do you mean that your machine is placing the part backwards? Or the part is reversed internally? Like the Cathode mark is painted wrong?

Component Wrong Orientation

Electronics Forum | Sun Jul 23 18:04:51 EDT 2006 | mika

4. There is a possibility that your company have more than one vendor for a specific component (same partnumber for you but different mfg. part nr). Let say that it is a red led and this itself could be somewhat tricky to order: Red led is as most of

component markings

Electronics Forum | Tue Oct 14 08:04:11 EDT 2008 | bickt

Does anyone have the same issue as i do with component markings?? I am using a AOI machine to inspect and the parts that our girl buys are a mess. the ink is smeared and not readable. I was told there is no quality level when you buy parts. Doe


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