Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
PhotoemissiveDetector
Characteristic
LuminousSensitivity
0.9 uA/lm
At90V
MaximumGasAmplification
8
InterelectrodeCapacitance
2 pF
Specialized - Photo Tube ·PhotoemissiveDetector
GL868
Photoemissive phototube designed for light measurement, relay, or industrial photoelectric detection.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- -
Description
Gas-filled two-electrode phototube for photoelectric control, primarily sensitive to red and infrared radiation.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- -
- Nominal heater current
- -
- 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
PhotoemissiveDetector
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Phototube has no dedicated canonical SectionType; published electrical ratings and characteristics are preserved in TUBE_SECTION_PARAMETER.
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.