[AMPS] High Voltage Rectifier tube 866A replacement .... SEMTECH STR4B32 ... any data please

[zs6arf@telkomsa.net (Wynand van Wyk)]

Hi all,

I was today given two items at a flea market ... "you are the only one I
know that will appreciate and use this in you amp projects" I was told.

It turns out to be two items with a 4 pin base (fits into the 866A & 811A
sockets) have hefty heatsinks and anode cap on top.

About as tall as a 811A tube.

Markings ..SEMTECH STR4B32

My guess it is a replacement solid state rectifier for the 866A mercury
valve rectifiers.

Any info and how I can utilise this in my High Voltage supplies appreciated.

Wynand

ZS6ARF


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