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Specialized - Photo Tube ·PhotoemissiveDetector

1P24

Two-electrode vacuum cartridge phototube for compact photoelectric light-detection applications.

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

Description

The 1P24 is a two-electrode vacuum phototube of cartridge construction.

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.

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 minimum at 135 V 0 cycles

    40 uA/lm

  • Maximum gas amplification

    1.1

  • Interelectrode capacitance

    0.5 pF

  • Maximum dark current at 250 V

    0.05 uA

  • Wavelength of maximum response

    4500 angstrom

  • Sensitivity at maximum response

    0.04 uA/uW

Other

  • Anode voltage

    500 V

  • Cathode current density

    100 uA/in2

  • Ambient temperature maximum

    50 C