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
70 V
Specialized - Cathode Ray ·CathodeRay
24AJP4
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 24AJP4.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- 12L
- Socket code
- DUODECAL6
- Base pins
- -
- Nominal heater
- 6.3 V / 600 mA
Description
Twenty-four-inch rectangular television picture tube with electrostatic focus, magnetic deflection, gray-filter faceplate, aluminized P4 screen, low grid-2 voltage, and no ion trap.
Socket description
Small-shell Duodecal 6-contact CRT base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 12L
- Socket code
- DUODECAL6
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
12L - 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
- 70 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.
Data set 02
1965 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Anode voltage
22000 V
Anode voltage .......... . . 22000Volts dc
After Equipment Warm-up Period
200 V
After Equipment Warm-up Period . 200 Volts
CircuitValue
Grid No. 1 Circuit Resistance
1.5 Mohm
Grid No. 1 Circuit Resistance 1.5 Megohms Max.