Specialized - Cathode Ray ·CathodeRay
T975D
English Electric/Ferranti cathode-ray display tube documented for specialized technical visual service, with manufacturer-defined screen, electron-optical, focusing, deflection, and accelerating characteristics for type T975D.
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- 12
- Nominal heater
- 6.3 V / 300 mA
Description
Radar cathode-ray tube with electrostatic focusing, magnetic deflection and nominal 15 kV EHT operation.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- 12
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- 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
Cathode Ray
- Max plate voltage
- 18000 V
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.