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Specialized - Photo Tube ·PhotoemissiveDetector

1P23

Gas-filled two-electrode phototube with S-1 photocathode for photoelectric light detection.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
2K
Socket code
-
Base pins
-
Nominal heater
-

Description

The 1P23 is a gas-filled two-electrode phototube with an S-1 cathode photosurface.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
2K
Socket code
-
Base pins
-
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

2K - 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.

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 01

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

PhotoemissiveDetector

Characteristic

  • Luminous sensitivity at 90 V 0 cycles

    50 uA/lm

  • Relative luminous sensitivity at 90 V 10000 cycles

    70 %

  • Interelectrode capacitance

    245 pF

  • Leakage resistance minimum

    900 Mohm

  • Wavelength of maximum response

    7500 angstrom

  • Sensitivity at maximum response

    60 uA/uW

  • Anode current density

    102 uA/in2

Other

  • Anode voltage

    100 V

  • Ambient temperature maximum

    100 C