311CH

The 311CH is a 125 watt triode with a mu of 12 designed for diathermy service by United. It can be operated at full ratings to 30 MHz.

Length = 8.75" Diameter = 2.50"
Max voltage = 1750
Max current = 200 ma
Fil voltage = 10
Fil current = 3.25 amps
Data sheet:

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