Russian 6D20P damping diode tube. Equivalents to the 6V3A. Similar tubes: EY81.

Name: 6D20P;

Type: damping diode;

Filament voltage, V: 6,3;

Heater current, A: 1,8;

Cathode: indirectly heated, oxide-coated;

Anode voltage opposite limit (pulse amplitude), kV: 6.5;

Anode current limiting (pulse amplitude), mA: 600;

Rectified current limit (average), mA: 220;

The power dissipated by the anode, the maximum, W: 5;

The voltage between the cathode and heater limit (amplitude pulse) at a negative potential of the heater, kv: 7;

The voltage between the cathode and heater limit (continued):
- at a negative potential heater, V: 750;
- at a positive potential heater, V: 100;

Horizontal Frequency, kHz: 12;

Capacitance cathode - heater, pF: 2,8;

Capacity anode - cathode, pF: 9;

Design: miniature glass;

Weight, g: 25.