SG201S is a 86-92V regulator. Ignition voltage - 150V (max), current 4...15 mA. Glass design with octal base. NOS.
Name: SG201S;
Type: Gas stabilizer;
Cathode type: cold;
Filling: neon-krypton;
Envelope: glass;
Weight, g: 40;
Ignition voltage, V: 150;
Stabilized voltage, V: 86-92;
Current, mA: 4,0-15,0;
Voltage recurrence, V: 0,2;
Noise, mV: 30.