Svetlana specifies this tube to 500MHz also the russian databook says 75 MHz !!! Uh 6.3 +/- 0.6 V @ 3.15 +/- 0.2 A Input capacitance 24 +/- 6 pF Output capacitance 7 +/- 2 pF Feed-through <= 0.08 pF Ua 2.1 kV Ug2 325 V Ug1 -60 V Ic 0.4 A Pa 400 W Pg2 8 W Pg1 0.2 W total length 67 mm max. diameter 51 mm total weight 220 g |