Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Solid State Talk all about solid state amplification.

relay coil that heats.
relay coil that heats.
Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 2nd June 2013, 11:32 PM   #31
EWorkshop1708 is offline EWorkshop1708  United States
diyAudio Member
Join Date: Nov 2004
Location: Florida
Originally Posted by JMFahey View Post
Well, it's quite the opposite.
What kills relays is not "worn coils" or something (never saw that ) but pitted contacts.
Applying *less* pressure than designed worsens contact and helps faster pitting.
Just sayin'.
The Startup capacitor provides the high pressure required to lock in the relay. Once it has closed, the holding current can be somewhat less and keep good contact.
You can call me Mad Professor, building crazy experiments in my Electronics Workshop
  Reply With Quote


relay coil that heats.Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
"Sensitive DC" relay coil VMat Parts 7 18th November 2012 10:24 PM
Found perfect relay replacement - but coil resistance is off. Which one is better? Coconuts 500 Parts 5 1st September 2012 06:38 AM
Buzzing AC relay coil kavermei Tubes / Valves 5 11th April 2010 02:53 PM
Single coil latching relay control?? cal34 Parts 0 15th February 2009 09:33 PM
relay coil on ESP's project- bd139 equiv? ThSpeakerDude88 Car Audio 9 23rd January 2007 04:24 PM

New To Site? Need Help?

All times are GMT. The time now is 04:48 AM.

Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.00%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright ©1999-2017 diyAudio