552

The 552 is the De Forest version of the UX-852 by RCA. It is a 100 watt dissipation triode with a mu of 12 and full ratings to 30 MHz.

Length = 8.81" Diameter = 4.59"
Max voltage = 2000
Max current = 75 ma
Fil voltage = 10
Fil current = 3.25 amps         GOTO INDEX