Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 0
Cathode Ray
Other
Maximum first-anode voltage
1700 V
Maximum third-anode voltage
10000 V
Specialized - Cathode Ray ·CathodeRay
30E11
Twelve-inch long-afterglow cathode-ray tube designed for marine radar PPI display. Its persistent screen retains plotted echoes between sweeps, while the high-voltage display system provides the brightness required for radar observation.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 4 V / 750 mA
Description
12-inch long-afterglow cathode-ray tube for marine radar PPI display.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 4 V
- Nominal heater current
- 750 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
1700 V
MaximumSecondAnodeVoltage
1700 V
MaximumThirdAnodeVoltageDesignCentre
10000 V
AbsoluteMaximumThirdAnodeVoltage
12000 V
TypicalThirdAnodeVoltage
10000 V
TypicalSecondAnodeVoltageForFocus
1500 V
TypicalFirstAnodeVoltage
1550 V
GridBiasForCutoff
-80 V
Data set 03
1961 Associated Electrical Industries
Published operating points and test conditions from this source.
SECTION 0
Cathode Ray
Other
MaximumFirstAnodeVoltage
1700 V
MaximumSecondAnodeVoltage
1700 V
MaximumThirdAnodeVoltageDesignCentre
10000 V
AbsoluteMaximumThirdAnodeVoltage
12000 V
TypicalThirdAnodeVoltage
10000 V
TypicalSecondAnodeVoltageForFocus
1500 V
TypicalFirstAnodeVoltage
1550 V
GridBiasForCutoff
-80 V