Electronics Forum: coils (Page 9 of 10)

How to make transformer bobbins?

Electronics Forum | Fri Jul 24 08:19:55 EDT 2020 | jordanabshire

I often need to wind a coil for transformers, solenoids, or chokes, & I typically use craft plywood for the ends and a paper tube for the center, cemented with wood glue, or Cyanoacrylate . Then, I usually give it a coat of varnish or epoxy. I am cur

Replacement valves for Emerald x / YV88X

Electronics Forum | Wed May 19 20:11:21 EDT 2021 | compit

I have two machines - Emerald-X and Topaz-X. I cleaned (and changed Koganei electromagnets) only in Topaz-X - Emerald-X is in very good condition :) But my Emerald-X have SF (not FNC) heads. If head 1 is OK - change the relays with head 2 and check.

Reflow Oven Selection

Electronics Forum | Wed Aug 31 10:26:24 EDT 2005 | Carmichael

I respectfully disagree with vapor phase or reflow oven being the technology of choice here. Have you considered straight conduction heating? (ie: hot plate) If you have a lot of these to do you can purchase in-line conduction ovens like the Sikama o

How to strengthen the ability of anti-interference in PCB design

Electronics Forum | Thu Nov 20 03:58:39 EST 2014 | hhat

To get the best performance of electronic circuits, components and circuit board supports circuit components and devices in electronic products. Even if the circuit principle diagram design is correct, the printed circuit board is designed improperly

Re: Conductive Epoxy

Electronics Forum | Thu Dec 03 13:24:12 EST 1998 | Russ M

| | | Does anyone have any information or experience with the use of conductive epoxy in leu of solder. I have a unique application that might lend itself to this technology. I am looking for manufacturers, printing, curing and reliability info. | |

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Tue Jan 05 20:29:32 EST 1999 | Steve Gregory

| A question for you all! | | Back in the good old days, we didn't always know how clean was clean. Much has changed. Much hasn't. | | My question concerns cleaning under, through, and around tight spaces. Way back when, we could not clean under 20

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Wed Jan 06 09:55:22 EST 1999 | Chrys

| | A question for you all! | | | | Back in the good old days, we didn't always know how clean was clean. Much has changed. Much hasn't. | | | | My question concerns cleaning under, through, and around tight spaces. Way back when, we could not clea

Re: Cleaning under, around, and through tight spaces

Electronics Forum | Tue Oct 12 17:24:27 EDT 1999 | Kevin Ham

| | A question for you all! | | | | Back in the good old days, we didn't always know how clean was clean. Much has changed. Much hasn't. | | | | My question concerns cleaning under, through, and around tight spaces. Way back when, we could not clea

Re: Conductive Epoxy

Electronics Forum | Fri Dec 04 13:25:34 EST 1998 | Jeff Sanchez

| | | | Does anyone have any information or experience with the use of conductive epoxy in leu of solder. I have a unique application that might lend itself to this technology. I am looking for manufacturers, printing, curing and reliability info. |

Air Bath Rework System

Electronics Forum | Wed Dec 22 20:51:12 EST 2004 | Mark

Yes, shameless. You could have come out and said that APE's equipment is the best thing since sliced bread but . . . you had to get all scientific with us. We already get bombarded by subliminal messages in commercials now, tech forums. In all ser


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