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Tube Tinker — Electron Tube Database
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Specialized - Photo Tube ·PhotoemissiveDetector

5652

S-4 vacuum phototube with composite anode-cathode electrodes.

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

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 0

PhotoemissiveDetector

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

S-4 vacuum phototube; maximum anode supply 250 V, average cathode current 4 microamperes.

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

9999 Mixed H 1000

Published operating points and test conditions from this source.

SECTION 0

PhotoemissiveDetector

Other

  • Maximum plate voltage

    250 V

    Maximum anode supply voltage

Characteristics

  • Wavelength of maximum response

    400 nm

    Peak S-4 spectral response