The 211D is a 65 watt general purpose triode that was designated VT-4B by the Signal Corps. Length = 7.25" Diameter = 2.00" Max voltage = 1000 Max current = 85 ma Fil voltage = 10 Fil current = 3 amps Data sheet: GOTO INDEX
The 211D is a 65 watt general purpose triode that was designated VT-4B by the Signal Corps.