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
600 mA
Other
Maximum Anode Voltage
22000 V
Grid2 Voltage
550 V
Specialized - Cathode Ray ·CathodeRay
24AMP4
Large P4 monochrome television picture tube in the 24-inch class, designed for high-voltage direct-view service with manufacturer-specified focusing, magnetic deflection, and beam-control characteristics for type 24AMP4.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- 7FA
- Socket code
- NEOEIGHTAR7
- Base pins
- -
- Nominal heater
- 6.3 V / 600 mA
Description
Twenty-four-inch lightweight rectangular television CRT with 110-degree magnetic deflection, electrostatic focus, gray-filter glass, and aluminized P4 screen.
Socket description
Small-button Neoeightar 7-contact CRT base family
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7FA
- Socket code
- NEOEIGHTAR7
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7FA - 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.