GU78b
Transmitting power tetrode at frequencies up to 250 MHz.
Uh 27 +/- 1.3 V @ 4 +/- 0.2 A Input capacitance 120 +/- 20 pF Output capacitance 20 +/- 5pF Feed-through <= 0.25 pF Ua 3 kV Ug2 300 V Ug1 -150 V Ic 2.2 A Pa 2.5 kW Pg2 30 W Pg1 1 W total length 120 mm max. diameter 110 mm total weight 1.8 kg