Data set 01
196X Ericsson Telephones Ltd
Published operating points and test conditions from this source.
SECTION 1
Thyratron
Other
Minimum supply voltage
315 V
Published datasheet value
Maximum cathode current
25 mA
Published datasheet value
Specialized - Switching Tube ·Thyratron
GDT120T
Cold-cathode gas-filled trigger tube for switching, counting, and logic applications. Its heaterless discharge provides rapid electronic control.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- -
Description
Cold-cathode gas-filled trigger tube for switching, counting, and logic applications.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- 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
Thyratron
X-ray radiationInterelectrode capacitances
- Regulator maximum current
- 25 mA
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.