Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristics
Focusing method
Magnetic
Deflection method
Magnetic
Specialized - Cathode Ray ·CathodeRay
7UPA
Seven-inch direct-view CRT with magnetic focusing and magnetic deflection. No manufacturer artifact is attached in this pass, so the more specific application and screen characteristics are not inferred.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 600 mA
Description
Direct-view CRT with magnetic focusing and deflection.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- 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
- 13200 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.