Data set 01
195X Tesla
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
AcceleratingVoltage
4000 V
Characteristic
UsefulScreenDiameter
100 mm
Specialized - Cathode Ray ·CathodeRay
12QR50
High-writing-speed electrostatic cathode-ray oscilloscope tube with a green screen and low deflection-plate capacitance. Typical accelerating voltage is about 4 kV, and the useful screen diameter is approximately 100 mm.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 700 mA
Description
High-writing-speed electrostatic cathode-ray oscilloscope tube with green screen and low deflection-plate capacitance.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 700 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
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 2200 V
Cathode-ray electron-gun/deflection system; accelerating and deflection data published.
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.