Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 0
Cathode Ray
Other
Maximum first-anode voltage
2500 V
Maximum second-anode voltage
1000 V
Maximum third-anode voltage
6000 V
Specialized - Cathode Ray ·CathodeRay
30C3
All-electrostatic precision-measurement cathode-ray tube documented by Mazda and AEI. Its focusing and deflection system is intended for accurate laboratory and industrial waveform or indicator presentation.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- 12
- Nominal heater
- 4 V / 720 mA
Description
All-electrostatic precision-measurement cathode-ray tube.
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
- 4 V
- Nominal heater current
- 720 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 0
Cathode Ray
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
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.
Data set 02
1961 AEI Industrial Valves
Published operating points and test conditions from this source.
SECTION 0
Cathode Ray
Other
MaximumFirstAnodeVoltage
2500 V
MaximumSecondAnodeVoltage
1000 V
MaximumThirdAnodeVoltage
6000 V
TypicalThirdAnodeVoltage
2000 to 6000 V
TypicalSecondAnodeVoltageForFocus
440 to 960 V
TypicalFirstAnodeVoltage
2000 V
GridBiasForCutoff
-60 V
XPlateSensitivityAt2000V
0.3 mm/V
XPlateSensitivityAt6000V
0.1 mm/V
YPlateSensitivityAt2000V
0.57 mm/V
YPlateSensitivityAt6000V
0.19 mm/V
Capacitance
X1ToAllCapacitance
6 pF
X2ToAllCapacitance
6 pF
Y1ToAllCapacitance
8.6 pF
Y2ToAllCapacitance
8.6 pF
GridToAllCapacitance
8.2 pF
X1ToX2Capacitance
2.5 pF
Y1ToY2Capacitance
3.2 pF
Data set 03
1961 Associated Electrical Industries
Published operating points and test conditions from this source.
SECTION 0
Cathode Ray
Other
MaximumFirstAnodeVoltage
2500 V
MaximumSecondAnodeVoltage
1000 V
MaximumThirdAnodeVoltage
6000 V
TypicalThirdAnodeVoltage
2000 to 6000 V
TypicalSecondAnodeVoltageForFocus
440 to 960 V
TypicalFirstAnodeVoltage
2000 V
GridBiasForCutoff
-60 V
XPlateSensitivityAt2000V
0.3 mm/V
XPlateSensitivityAt6000V
0.1 mm/V
YPlateSensitivityAt2000V
0.57 mm/V
YPlateSensitivityAt6000V
0.19 mm/V
Capacitance
X1ToAllCapacitance
6 pF
X2ToAllCapacitance
6 pF
Y1ToAllCapacitance
8.6 pF
Y2ToAllCapacitance
8.6 pF
GridToAllCapacitance
8.2 pF
X1ToX2Capacitance
2.5 pF
Y1ToY2Capacitance
3.2 pF