SIDAC better than an SCR?

• To: tesla-at-pupman-dot-com
• Subject: SIDAC better than an SCR?
• From: "Ross W. Overstreet" <ross-o-at-mindspring-dot-com> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Fri, 02 Apr 1999 11:42:21 -0700
• Approved: twf-at-verinet-dot-com

The April issue of Popular Electronics has an article on pg. 38 entitled
"Super-Simple High-Voltage Circuit".  It discuses switching 120VAC into
any small step down transformer that has been "wired backwards".  It
goes on to discuss two ways of switching the 120VAC - an SCR based
circuit and a SIDAC based circuit.

The article describes a SIDAC as a silicon, bilateral, voltage-triggered
switch.  The SIDAC circuit appears to have a much lower circuit
component count, only requiring a resistor and capacitor to set the
phase at which the device switches.  The article goes on to say that
Motorola  MK series is rated at 20 Amps.  The ref part #'s are MK1V-115,
MK1V-125, MK1V-135.

I 'm no SIDAC authority - just regurgitating what I read in the
article.  Have any of you SCR guys looked into these?

Making arcs in Huntington Beach, CA
--
Ross Overstreet
ICQ# 20762411
http://www.geocities-dot-com/CapeCanaveral/Cockpit/3377/

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