KR 300B

KR 300B 
 
Maximum Plate Voltage: 550 V
Maximum Plate Current: 120 mA
Plate Dissipation: 50 Watts
Va: 450 V
Ia: 100 mA
Vg: -90 V
Transconductance: 6.2 mW
Amplification Factor: 3.9
Filament Voltage: 5 V (DC/AC)
Filament Current: 1.2 A