Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Heater Voltage
6.3 V
Nominal
Heater Current
300 mA
Nominal
Specialized - Cathode Ray ·CathodeRay
5BCP1
Five-inch magnetically focused and deflected cathode-ray display tube with a P1 green medium-persistence screen. Its magnetic scanning system and phosphor characteristics support specialized instrument and oscillographic display service.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- 9HD
- Socket code
- NINAR9
- Base pins
- 9
- Nominal heater
- 6.3 V / 300 mA
Description
Sylvania 5-inch cathode-ray tube with magnetic focus, magnetic deflection, and P1 green, medium persistence. Published electrical ratings, capacitances, and operating conditions were extracted from the supplied datasheet.
Socket description
Ninar 9-contact CRT/photomultiplier base family (JEDEC E9-37)
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 9HD
- Socket code
- NINAR9
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9HD - 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
- 11400 V
Cathode-ray electron-gun/display 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
1965 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristic
Heater Voltage
6.5 V
Heater Current
300 mA
FocusingMethod
Magnetic
DeflectionMethod
Magnetic
Phosphor
P1 green, medium persistence
MinimumUsefulScreen
4.25 in
Cathode To All Capacitance
3.7 pF
GridToAllCapacitance
3.5 pF
LineWidthMaximum
0.011 in
BeamCurrent=200uA
SpotPositionMaximum
0.25 in
Other
FinalAnodeVoltageMaximum
11000 V
FinalAnodeVoltage
8000 V
FocusCoilCurrentApproximate
56 to 84 mA
GridVoltageForCutoff
-25 to -75 V
GridCircuitResistanceMaximum
1.5 Mohm
AnodeInputMaximum
6 W
GridNegativeBiasMagnitudeMaximum
220 V