Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristic
Heater Voltage
6.3 V
Heater Current
450 mA
Other
Maximum Anode Voltage
22000 V
Grid2 Voltage
550 V
Specialized - Cathode Ray ·CathodeRay
23EWP4
Twenty-three-inch direct-view monochrome television picture tube with electrostatic focusing, magnetic deflection, and high-voltage operation. Manufacturer data documents its large-screen receiver-display construction, optical characteristics, and picture-tube operating limits.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- 8HR
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 450 mA
Description
Sylvania 23EWP4 is a direct-view television picture cathode-ray tube using magnetic deflection and electrostatic focusing. The supplied data publishes a 6.3 V heater, high-voltage anode and grid ratings, interelectrode capacitances, and X-ray precautions.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 8HR
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
8HR - 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
- 22000 V
- Max screen voltage
- 550 V
High-voltage CRT ratings promoted from source. Sylvania source includes X-ray radiation precautions/warning.
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.