503A

The 503A is a 100 watt triode with a mu of 25. Maximum frequency for full power is 15 MHz. This is the de Forest version of the UV203A/203A.

Length = 7.87" Diameter = 2.20"
Max voltage = 1250
Max current = 220
Fil voltage = 10
Fil current = 3.25 amps         GOTO INDEX