Specialized - Photo Tube ·PhotoemissiveDetector
Photoemissive phototube designed for light measurement, relay, or industrial photoelectric detection.
Vacuum photoelectric cell with a caesium-oxygen-silver cathode, most sensitive in the red and infrared.
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
No fixed ratings are recorded for this section.
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.
Sensitivity
20 uA/lm
MaximumWorkingVoltage
250 V
MaximumDarkCurrent
0.1 uA
Maximum Average Cathode Current
8 uA
Maximum Peak Cathode Current
5 uA
Anode Cathode Capacitance
1.9 pF
Data set 02
Published operating points and test conditions from this source.
Maximum working voltage
250 V
Maximum average cathode current
8 uA
Maximum peak cathode current
25 uA
Approximate sensitivity
20 uA/lumen