Electronics Forum: zener and diode (Page 1 of 3)

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

Lead-Free qualification process

Electronics Forum | Mon Aug 22 09:27:20 EDT 2005 | javi

The list is not yet completed but I picked few different component that our supplier are not able to get in Lead-Free or problem to get leadtime: Mfg Part : Zener Diodes BZG03 - MFG : Phillips Mfg Part : PME271Y447M - MFG: Evox-Rifa Mfg Part : LMC606

through hole questions

Electronics Forum | Fri Nov 21 12:12:44 EST 2014 | joe98375

On average there are about 3 parts per board that get hand placed (x24 is 72 parts per panel). One of these parts is a big 1W resistor that cannot fit on our axial machine. We also have a Zener Diode that needs to be hand placed because its leads are

Lead-Free qualification process

Electronics Forum | Mon Aug 22 10:01:17 EDT 2005 | rlackey

The list is not yet completed but I picked few > different component that our supplier are not > able to get in Lead-Free or problem to get > leadtime: Mfg Part : Zener Diodes BZG03 - MFG : > Phillips Mfg Part : PME271Y447M - MFG: > Evox-Rifa Mf

Quad 4C part placement rejection

Electronics Forum | Wed Nov 16 05:12:36 EST 2011 | bobpan

A couple of things i would try: 1. Does function 30 give you a nozzle height that is repeatable. The number should be around 200.....+/- 20 or so. 2. I would change the z-rod because the spring could be worn out and when the vacuum turns on....it ca

Need Help With Selecting Equipment

Electronics Forum | Sun Apr 09 23:17:24 EDT 2006 | greatexpectations

Cmiller: Includes, caps diodes IC resistors, zener TR (does that help?) Just getting my feet wet here.

SOT23s and paste + glue

Electronics Forum | Mon Dec 22 14:52:18 EST 2008 | wrongway

We run our process like that all the time paste then glue we use same profile as if we were just reflowing paste once in a while we have A plastic bodied part that has that problem we asume it was some mold relase still on the part basicly comtamena

difference between led and neon bulbs

Electronics Forum | Fri Aug 28 12:11:10 EDT 2015 | davef

LED: [Light-emitting diode] https://en.wikipedia.org/wiki/Light-emitting_diode Neon lamp: https://en.wikipedia.org/wiki/Neon_lamp

Cracking Capacitors and Solder Balls

Electronics Forum | Mon Jun 08 14:19:30 EDT 1998 | Gary Simbulan

Earl, et al, Boy things get old and cold around here fast. I promised more detail on my capactior problem and I thought I could drop something completely different in the same message and tell a tale of solder balls. First the caps. We still have

Unknown Schematic Drawing

Electronics Forum | Thu Oct 12 07:10:26 EDT 2006 | wondering

I looked at this site, and again no drawing that has the junction line. This line is the same as a zener line. The closest one is a GUNN diode. any suggestions?

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