Russian Miniature 6H7B-V (6Х7Б-В) HF double diode tube. High reliability, long life. Made by MELZ factory.
Type: double diode;
Application: HF detection;
Cathode type: oxide, indirect heating;
Envelope: glass, miniature;
Mass, g: 4;
Filament voltage, V: 6,3;
Filament current, A: 0,275-0,325;
Anode power, W: 4,5;
Max.reverse anode voltage, kV: 0,45.