Data set 01
1937 Standard Valves
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristic
SecondAnodeVoltage
800 to 2000 V
Published range
Other
MaximumFirstAnodeCurrent
300 uA
Published datasheet value
Specialized - Cathode Ray ·CathodeRay
4096AB
Compact electrostatic cathode-ray instrument tube with a 2.5-inch screen, approximately 2 kV second-anode operation, and published horizontal and vertical deflection sensitivity for waveform display.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- American Small Shell Octal
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 2 V / 1.7 A
Description
High-vacuum cathode-ray tube with electrostatic deflection, blue screen, and 800–2,000 V second-anode operation.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- American Small Shell Octal
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 2 V
- Nominal heater current
- 1.7 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
American Small Shell Octal - 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
- 2000 V
High-vacuum CRT; blue trace.
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
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
Data set 03
1947 Standard Valves
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Second anode voltage
800 to 2000 V
Maximum second-anode current
300 uA
Characteristics
Cutoff voltage
-45 to -35 V
At second anode 2000 V
X sensitivity
0.13 mm/V
At 2000 V
Y sensitivity
0.135 mm/V
At 2000 V
Dimensions
Screen diameter
2.5 in