 Mystery component identification
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klugesmith
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Registered Member #2099
Joined: Wed Apr 29 2009, 12:22AM
Location: Los Altos, California
Posts: 1716
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Electroholic wrote ...
It looks like a CW doubler, feeding the doorknob cap?
The whole thing seems to be an HID ignitor, the black thing at the top seems to be the inline pulse transformer.
and im guessing the white thing is a sparkgap of some sort.
Yes, the white thing looks exactly like a "gas tube surge arrester" (sealed spark gap) -- I have never seen anything else in that style package.
For example,  Digikey sells them in voltages from 75 to many thousands -- in this case probably well over 1 kV because of the style of associated components.
And yes, how can the black diodes and flying capacitor not be a CW voltage doubler? I wager it's an engineering change
because the original design couldn't charge the red doorknob cap high enough to fire whatever the trigger transformer goes to.
Rich
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