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From: John Larkin <jlar...@highlandtechnology.com>
Newsgroups: alt.binaries.schematics.electronic,sci.electronics.design,sci.electronics.basics
Subject: Re: Discrete TRIAC Suggestion?
Date: Wed, 03 Oct 2012 10:44:31 -0700
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On Wed, 03 Oct 2012 10:12:07 -0700, Jim Thompson
<To-Email-Use-The-Envelope-I...@On-My-Web-Site.com> wrote:

>On Wed, 03 Oct 2012 08:46:31 -0700, John Larkin
><jjlar...@highNOTlandTHIStechnologyPART.com> wrote:
>
>>On Wed, 03 Oct 2012 08:33:01 -0700, Jim Thompson
>><To-Email-Use-The-Envelope-I...@On-My-Web-Site.com> wrote:
>>
>>>On Wed, 03 Oct 2012 07:45:38 -0700, Jim Thompson
>>><To-Email-Use-The-Envelope-I...@On-My-Web-Site.com> wrote:
>>>
>>>>On Wed, 3 Oct 2012 07:10:49 -0500, "Rick" <rik...@bellsouth.net>
>>>>wrote:
>>>>
>>>>>
>>>>>"Jim Thompson" <To-Email-Use-The-Envelope-I...@On-My-Web-Site.com> wrote in 
>>>>>message news:8bij68dcunvc58qqa82b1r03qu9bqt4990@4ax.com...
>>>>>> Back dabbling in the discrete world...
>>>>>>
>>>>>> I need a TRIAC:
>>>>>>
>>>>>>     450Vmin (peak) standoff
>>>>>>     3Amp Peak, but non-repetitive
>>>>>>     Irms ~ 100mA
>>>>>>     Cheap ;-)
>>>>>>
>>>>>> Suggestions?
>>>>>>
>>>>>>                                        ...Jim Thompson
>>>>[snip]
>>>>>
>>>>>How are you going to trigger it?  They have different triggering quadrants. 
>>>>>
>>>>
>>>>That ended up being the snag... chicken-egg event, no gate power
>>>>source available to start it up :-(
>>>>		
>>>>                                        ...Jim Thompson
>>>
>>>Thanks for the nudge.  I always liked the TRIAC idea.  So I went back
>>>and was scratching my... and I saw a way ;-)
>>>		
>>>                                        ...Jim Thompson
>>
>>
>>Right. It will remain another of your little secrets.
>
>Absolutely!  Otherwise how could you play banty rooster ?:-)
>
>Anyone else want to see it?  E-mail and I'll send the schematic right
>out (restrictions apply... Jamie sure isn't getting a copy :-)
>		
>                                        ...Jim Thompson

The more people you show it to, the more bugs we'll find. You'd rather
your customer find them?




-- 

John Larkin         Highland Technology, Inc

jlarkin at highlandtechnology dot com
http://www.highlandtechnology.com

Precision electronic instrumentation
Picosecond-resolution Digital Delay and Pulse generators
Custom laser drivers and controllers
Photonics and fiberoptic TTL data links
VME thermocouple, LVDT, synchro   acquisition and simulation