Quality Russian 6J51P tube was made in USSR for the military equipment. Equivalent to the 6EJ7, EF184.
Name: 6J51P;
Type: HF pentode;
Application: application in wide-band IF amplifiers;
Cathode type: oxide, indirect heating;
Envelope: glass, miniature;
Mass, g: 18;
Filament voltage, V: 6,3;
Filament current, A: 0,275-0,325;
Anode voltage, V: 200;
Anode current, A: 0,006-0,011;
Anode power, W: 2,5;
Grid2 voltage, V: 200;
Grid3 voltage, V: 0;
Steepness, mA/V: 11,5-19,5;
Reverse grid current, uA: 0,5;
Socket type: rsh8.