SG4S soviet Argon Helium voltage regulator gas discharge tube USSR Ar He Lamp

Description

SG4S is designed to stabilize constant voltage. It is used in special and measuring equipment. The cathode is cold. The cylinder is filled with an argon-helium mixture. Works in any position. Available in glass design.
Service life is not less than 500 hours. Octal base with key. Pins 4.
Rated electrical data:
Stabilization voltage, in ..... 145 - 160
Ignition voltage, in ..... no more than 180
The current passing through the Zener diode, mA ..... 5 - 30
Stabilization voltage (voltage drop across the zener diode) when the current changes from 5 to 30 mA, in ..... 152.5 ± 7.5
Ballast resistance in the Zener diode circuit, ohm ..... 2500
Maximum permissible electrical values
The largest change in the stabilization voltage when the current changes from 5 to 30 mA, in .......... 4
The highest current passing through the zener diode, ma ...... 30
The smallest current passing through the zener diode, ma ... 5