TO3 bushes - diyAudio
Go Back   Home > Forums > Design & Build > Parts
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Parts Where to get, and how to make the best bits. PCB's, caps, transformers, etc.

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 16th September 2011, 10:51 PM   #1
bwg is offline bwg  Scotland
diyAudio Member
Join Date: Jan 2009
Default TO3 bushes

Am rebuilding a vintage amp. Anyone know where to obtain larger type nylon insulating bushes for TO3 transistors (in UK) which as far as I can remember were standard about 30 years ago. The ones on sale now are too small and nearly disappear through the hole in the heatsink. The ones I am looking for measure approx 9.5mm large diameter while the part that sits through the heat sink is 6.2mm outside diameter and the centre hole through the bush takes a 4BA screw (3.6mm diameter).
Can't find any reference to them on web so worst case may need to improvise.
  Reply With Quote
Old 19th September 2011, 12:12 AM   #2
ArtG is offline ArtG  United States
diyAudio Member
Join Date: Nov 2006
Location: Central PA
These may be available from your local distributors it they carry the brand "Eagle Plastic Devices". Look under "screw insulators". Other manufacturers that may have suitable items are RAF, and Keystone Electronics. You may be able to find nylon bushings that are the correct size, but are too long and can be shortened to fit. An alternative could be simply a piece of Teflon tubing that's cut to fit.
  Reply With Quote
Old 19th September 2011, 12:16 AM   #3
diyAudio Member
nigelwright7557's Avatar
Join Date: Apr 2008
Location: Carlisle, England
RS Components | Electronic and Electrical Components
world-leading distributor of electronic and maintenance, repair and operations products. | Farnell United Kingdom

You might get away with using a metal washer to take up the slack ?
Murton-Pike Systems PCBCAD51 pcb design software.
  Reply With Quote
Old 19th September 2011, 12:41 AM   #4
diyAudio Member
Join Date: Nov 2008
Send me a PM with qty. required and will I mail you some. E
  Reply With Quote
Old 21st September 2011, 03:36 PM   #5
bwg is offline bwg  Scotland
diyAudio Member
Join Date: Jan 2009
Many thanks for replies
  Reply With Quote


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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
is a TO3 case better? Jonny Hotnuts Car Audio 31 2nd October 2013 08:08 AM
Who knows this TO3? jan.didden Solid State 2 9th June 2010 10:40 AM
TO3 for my LP manina Car Audio 2 18th November 2008 05:00 PM
TO3 puzzle Zen Mod Parts 2 3rd December 2006 10:45 AM
TO3 Mosfets Bernhard Parts 0 25th March 2003 09:32 PM

New To Site? Need Help?

All times are GMT. The time now is 10:40 AM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2