Specialized - Cathode Ray ·CathodeRay
Five-inch special-purpose CRT with electrostatic focusing, magnetic deflection, and a special blue-emitting screen. Sylvania specifies high-voltage operation to approximately 11 kV.
The Sylvania SC2854 is a 5-inch special-purpose CRT with electrostatic focus, magnetic deflection, and a special blue-emitting screen.
International Octal
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
Published ratings and characteristics promoted semantically from the approved source.
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 Plate Voltage
11000 V
Typical Anode Voltage
7000 V
Phosphor
Special Aluminized Phosphor
Focusing Method
Electrostatic
Deflecting Method
Magnetic
Data set 02
Published operating points and test conditions from this source.
Heater Voltage
6.3 V
Heater Current
600 mA
Focusing Method
Electrostatic text
Deflection Method
Magnetic text
Deflection Angle
53 deg
Approximate
Fluorescence
Blue text
Maximum Line Width
0.4 mm
Maximum Anode Voltage
11000 V
Focus Electrode Voltage Minimum
-550 V
Focus Electrode Voltage Maximum
1100 V
Maximum Grid2 Voltage
770 V
Maximum Grid1 Negative Bias
200 V
Maximum Heater-Cathode Voltage
200 V
EitherPolarity
Anode Voltage
7000 V
Focus Voltage Minimum
0 V
Focus Voltage Maximum
250 V
Grid2 Voltage
300 V
Grid1 Cutoff Voltage Minimum
-77 V
Grid1 Cutoff Voltage Maximum
-33 V
Maximum Grid1 Circuit Resistance
1.5 Mohm