Russian tiny voltage regulator tube SG5B. 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;

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.