Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Specialized - Photo Tube ·PhotoconductiveDetector

6957

Cadmium-sulfide photoconductive cell with peak response near 580 nm.

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

PhotoconductiveDetector

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

CdS photoconductive detector, peak response 580 nm; maximum polarizing voltage 250 V, dissipation 0.5 W fully illuminated.

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 G 2000

Published operating points and test conditions from this source.

SECTION 0

PhotoconductiveDetector

Characteristics

  • Wavelength of maximum response

    580 nm

    CdS peak response

Other

  • Maximum plate voltage

    250 V

    Maximum polarizing voltage, not anode voltage