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Re: SCR wire question



Original poster: "David Sharpe by way of Terry Fritz <twftesla-at-qwest-dot-net>" <sccr4us-at-erols-dot-com>

Rick

The RED wire is internally wired to the cathode of the SCR.  The
WHITE wire is normally the gate lead.  Wires should be twisted
to gate drive circuitry to prevent external EMI from causing false
triggering of the device.

Regards
Dave Sharpe, TCBOR
Chesterfield, VA. USA

Tesla list wrote:

 > Original poster: "Richard W. by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
<potluck-at-xmission-dot-com>
 >
 > Hi List,
 > I have 8 SCRs, 161RM60, rated at 160 amps, ( It max=195 amps ) -at- 600 volts.
 > I've tested them and all work as expected.
 > These are the stud type but along with the small gauge white gate wire
 > there is also a similar gauge red wire. Does anyone have any idea what this
 > red wire is for?
 >
 > Thx!
 >
 > Rick W.
 > Salt Lake City