Russian tiny voltage regulator tube SG5B-V. Zener SG5B is designed to stabilize the DC voltage. It is used in small-sized equipment for various purposes. The cathode is cold. The container is filled with argon-helium mixture. Works in any position. Available in a tiny glass design. The service life of at least 500 hours.
Name: SG5B-V;
Type: Gas stabilizer;
Cathode type: cold;
Filling: argon-helium;
Envelope: glass miniature;
Weight, gr: 5;
Ignition voltage, V: 170;
Stabilized voltage, V: 142-155;
Current, mA: 5,0-10,0;
Ready time: 3.