Data set 01
1946 Standard Telephone and Cables
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristics
Interelectrode capacitances published
1
See source table for individual capacitances
Specialized - Cathode Ray ·CathodeRay
VLS492AB
Electrostatic monitor cathode-ray tube with a blue display screen. Its electrostatic focusing and deflection system provides a compact direct-view monitor display for electronic equipment.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 2 V / 1.8 A
Description
Blue-screen electrostatic monitor cathode-ray tube.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 2 V
- Nominal heater current
- 1.8 A
- 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
- 1000 V
Monitor CRT; blue screen.
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
1947 Standard Valves
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Second anode voltage
250 to 1000 V
First anode voltage
130 to 500 V
Characteristics
X sensitivity
110 mm/V
Y sensitivity
120 mm/V