Specialized - Cathode Ray ·CathodeRay
Twenty-four-inch direct-view monochrome television picture tube with a P4 screen and magnetic deflection. Manufacturer documentation provides the high-voltage operating, focusing, optical, and capacitance characteristics required for receiver display service.
Direct-view cathode-ray picture tube intended for television display service. The supplied Tung-Sol datasheet provides electrical ratings, operating conditions, capacitances, optical characteristics, focusing and deflection information. Features an aluminized screen where specified by this designation.
Duodecar 12-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
CRT electrode, focus, deflection and optical data preserved in parameter rows.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Maximum Anode Voltage
20000 V
Typical Anode Voltage
16000 V
Maximum Grid2 Voltage
500 V
Typical Grid2 Voltage
300 V
FocusingMethod
Electrostatic
DeflectingMethod
Magnetic
DiagonalDeflectionAngleApproximate
91 degree
PhosphorNumber
4
FluorescentColor
White
Faceplate
Gray filter; aluminized screen
IonTrapRequired
No
Data set 02
Published operating points and test conditions from this source.
DOES NOT REQUIRE ION TRAP
10
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
DIRECT INTERELECTRODE CAPACITANCES (APPROX.)
1
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
GRID #1 TO ALL OTHER ELECTRODES — value 1
1
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
GRID #1 TO ALL OTHER ELECTRODES — value 2
0
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
GRID #1 TO ALL OTHER ELECTRODES — value 3
1
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MINIMUM EXTERNAL CONDUCTIVE COATING TO ANODE
500
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
PHOSPHOR NUMBER
4
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
HEATER VOLTAGE
3 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
HEATER CURRENT — value 1
0 mA
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
HEATER CURRENT — value 2
0 mA
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
SBft ILLI AXCE AND OEf INITION DECREASE WITN OELRE A$ING ANODE VOLTAGE. IN GENERAL, THE ANODE VOLTAGE — value 1
0 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
SBft ILLI AXCE AND OEf INITION DECREASE WITN OELRE A$ING ANODE VOLTAGE. IN GENERAL, THE ANODE VOLTAGE — value 2
1 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
SBft ILLI AXCE AND OEf INITION DECREASE WITN OELRE A$ING ANODE VOLTAGE. IN GENERAL, THE ANODE VOLTAGE — value 3
1 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
C VI SU AL E%TINLTION OF FOCUSED RASTER.
0
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM EXTERNAL CONDUCTIVE COATING TO ANODE — value 1
750
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM EXTERNAL CONDUCTIVE COATING TO ANODE — value 2
1
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM DC ANODE VOLTAGE
20000 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM DC GRID #4 VOLTAGE — value 1
4 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM DC GRID #4 VOLTAGE — value 2
-500 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM DC GRID #4 VOLTAGE — value 3
1000 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MA%IMUM DC GRID #2 VOLTAGE — value 1
1 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MA%IMUM DC GRID #2 VOLTAGE — value 2
2 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MA%IMUM DC GRID #2 VOLTAGE — value 3
500 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM GRID #i VOLTAGE
1 V
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM GRID #1 CIRCUIT RESISTANCE — value 1
1 Mohm
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM GRID #1 CIRCUIT RESISTANCE — value 2
1 Mohm
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.
MAXIMUM GRID #1 CIRCUIT RESISTANCE — value 3
5 Mohm
Published CRT datasheet value; multiple values on one source row represent separate conditions, limits, or nominal values.