Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristics
Deflection method
Magnetic
Focusing method
Electrostatic
Specialized - Cathode Ray ·CathodeRay
5ZP15
Five-inch flying-spot-scanner CRT with electrostatic focusing, magnetic deflection, and a P15 blue-green extremely-short-persistence screen. High-voltage anode capability reaches about 27 kV for rapid optical scanning.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- B12A
- Base pins
- -
- Nominal heater
- 6.3 V / 600 mA
Description
Five-inch flying-spot-scanner CRT with electrostatic focus, magnetic deflection, and P15 blue-green, extremely short persistence.
Socket description
Duodecal 12-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B12A
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 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
- 27000 V
Published source values 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.
Data set 02
1965 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristic
Heater Voltage
6.3 V
Heater Current
600 mA
FocusingMethod
Electrostatic
DeflectionMethod
Magnetic
Deflection Angle
40 degree
Phosphor
P15 blue-green, extremely short persistence
MinimumUsefulScreenDiameter
4.25 in
Cathode To All Capacitance
8 pF
Grid1 To All Capacitance
5 pF
ExternalNeckCoatingToAnodeCapacitanceMinimum
100 pF
ExternalNeckCoatingToAnodeCapacitanceMaximum
500 pF
Other
Anode2VoltageMaximum
30000 V
Anode1VoltageMaximum
7700 V
Grid2VoltageMaximum
385 V
Grid1NegativeBiasMagnitudeMaximum
165 V
Grid1PositiveBiasMaximum
0 V
Grid1PositivePeakVoltageMaximum
2 V
HeaterCathodeVoltageMaximum
450 V
Warmup<=15s;HeaterNegative
HeaterCathodeVoltageMaximum
165 V
AfterWarmup;HeaterNegative
HeaterCathodeVoltageMaximum
165 V
HeaterPositive
Anode2Voltage
27000 V
Anode1VoltageForFocus
5550 to 7050 V
Grid2 Voltage
200 V
Grid1VoltageForCutoff
-42 to -98 V
Anode Current
15 uA
Anode1CurrentMaximum
25 uA
Grid2 Current
-15 to +15 uA
Grid1CircuitResistanceMaximum
1.5 Mohm