Quote:
Originally Posted by radiotron
any idea what these are inside the high voltage cage theres no ib3, but 2 glass rods with 3 connections caps? 
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Type 5642 HV diodes:
http://www.r-type.org/exhib/aai0016.htm
Widely used in Tektronix oscilloscopes of the era, and a few TVs.
Here are a few on the 'bay:
http://www.ebay.com/sch/i.html?_trks...diode&_sacat=0
Not affiliated,
jr