Russian miniature pentode 1J29B-R / 1Zh29B-R (1Ж29Б-Р). High reliability, long life non less 10000 hours.

Name: 1Zh29B-R;

Type: pentode;

Application: HF voltage amplification;

Cathode type: oxide, direct heating;

Filament voltage, V: 1,2;

Filament current, A: 0,056-0,068;

Anode voltage, V: 60;

Grid1 voltage, V: 0;

Grid2 voltage, V: 45;

Steepness, mA/V: 1,2;

Reverse grid current, uA: 0,3;

Microphnic noise, mV: 130;

Socket type: flexible.