Electronics Forum: a27 (Page 1 of 2)

0603 marking

Electronics Forum | Thu Mar 30 11:10:43 EST 2000 | Gary Kemp

Is the same marking protocol used when identifying 0603, 0402, etc.. components? For instance, would a 27.4K ohm 1% resistor still have four (4) characters to identify if the body color is black? Any feedback is appreciated. Thanks.

SMT Inductor

Electronics Forum | Tue Oct 06 14:25:51 EDT 2020 | philc

Plenty of 0805 inductors around, up to 470mH, but nothing that is 26mH. Coilcraft do 23.5mH or 29mH - see https://www.coilcraft.com/getmedia/18dd250a-2b92-4f9a-bcee-3624995acc0f/0302cs.pdf Eaton do a 27mH 0805 - see https://www.eaton.com/content/dam

Problem with conformal coating

Electronics Forum | Fri Feb 18 15:27:38 EST 2005 | jluckenbaugh

Frank R, I believe the Dymax #984-LVUF is a POLYURETHANE RESIN. I have used Humiseal 1A27 and 1A33 for several years with great success. Both of these materials are High VOC materials. If your customer does not require these materials to be aproved

0402's and Gluing.............

Electronics Forum | Wed Feb 09 11:50:55 EST 2005 | mrduckmann2000

Pete, I started with the App engineers, they had me try a 21g needle then a 23g needle then a 25g needle. The tech's are the ones suggesting that I slow the pump down to half speed and try a 27g needle. The needles are $150 a piece.....I now have

Ablebond 8360

Electronics Forum | Wed Feb 17 17:21:10 EST 1999 | Kiet D

I'm qualifying Ablebond 8360 from Ablestik for hybird circuit assembly. Anyone has experience with this epoxy. In my preliminary experiment with this epoxy, I had a seperation problem with a 30 gauge needle which we are using for dispensing 84-1LMIS.

Looks like we'll be BGAing in the near future

Electronics Forum | Wed Feb 06 16:05:24 EST 2008 | dphilbrick

At one point in time we were putting TI NanoStar parts on these particular boards. You don't want to attempt this at home! Thank God they took them off. Part was 1.45 X 1mm with 6 .1mm balls. They were a pain in the A$$. We had about a 90% success ra

LGa soldering issues......

Electronics Forum | Wed Aug 05 23:02:09 EDT 2009 | mrduckmann2000

Help! We are havin issues installing the new Linear Tech LGA118's. We are installing 17 of these beast per assembly, the problem shorting? Any ideas? Linear Tech is usless, they blame heat, not a big enough reflow oven, moisture, part disty's...e

SMT Inductor

Electronics Forum | Tue Oct 06 14:27:51 EDT 2020 | kylehunter

> Plenty of 0805 inductors around, up to 470mH, but > nothing that is 26mH. Coilcraft do 23.5mH or 29mH > - see > https://www.coilcraft.com/getmedia/18dd250a-2b92-4 > f9a-bcee-3624995acc0f/0302cs.pdf Eaton do a 27mH > 0805 - s

Wrong Crystal

Electronics Forum | Wed Nov 20 12:10:29 EST 2019 | rossrohrer1

Trying to create my own RFID reader based off the MFRC522 demo board by copying the layout and components, then later i am planning to change the footprint. I am having trouble replicating their crystal. The mfrc522 datasheet calls for a 27.12 mhz

F4G setup: cannot connect to local socket error?

Electronics Forum | Fri Feb 12 19:40:42 EST 2010 | rodrigo

I posted the message below on Friday and today Monday I started looking at the problem again. We have a computer with a setup that works. It is the original PC we bought with the F4G but it is set up for a machine we do now have ,IP3. I was looking a

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