Russian pentode 6J38P-EV tube. Equivalent to the EF190, 6BH6. Made by Reflector factory.

Name: 6J38P-EV / 6Zh38P-EV;

Type: HF pentode;

Application: wide-band voltage amplification up to 300MHz;

Cathode type: oxide, indirect heating;

Envelope: glass, miniature;

Mass, g: 15;

Filament voltage, V: 6.3;

Filament current, A: 0.17-0.21;

Anode voltage, V: 150;

Anode current, A: 0.008-0.014;

Anode power, W: 3;

Grid2 voltage, V: 100;

Grid3 voltage, V: 0;

Steepness, mA/V: 10.6;

Reverse grid current, uA: 0.2;

Microphnic noise, mV: 150;

Socket type: rsh4.