The 2C21 or 1642 was a twin-triode with a mu of 10.4 and rated at 5 watts. Also known as the military 38233. Length = 4.53" Diameter = 1.56" Max voltage = 250 Max current = 8.1 ma Fil voltage = 6.3 Fil current = .6 amps GOTO INDEX
The 2C21 or 1642 was a twin-triode with a mu of 10.4 and rated at 5 watts. Also known as the military 38233.