Data set 01
196X Ericsson Telephones Ltd
Published operating points and test conditions from this source.
SECTION 1
Voltage Regulator
Other
Maximum striking voltage
115 V
Published datasheet value
Voltage Regulator ·VoltageRegulator
GD90M
Cold-cathode glow-discharge voltage stabilizer for heaterless shunt regulation or reference service in electronic power supplies.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- -
Description
Cold-cathode gas-filled voltage stabilizer/reference tube.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- -
- Nominal heater current
- -
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Voltage Regulator
X-ray radiationInterelectrode capacitances
- Regulator starting voltage
- 115 V
Published cold-cathode ratings and characteristics promoted where applicable.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.