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Specialized - Photo Tube ·PhotoemissiveDetector

1640

High-sensitivity gas phototube with low dark current and low microphony for critical industrial photoelectric applications.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
0 V / 0 mA

Description

High-sensitivity low-dark-current low-microphonic gas phototube for critical industrial applications; also designated 1640.

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
0 V
Nominal heater current
0 mA
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.

Gas phototube photoemissive system.

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

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

PhotoemissiveDetector

Application

  • Application

    IndustrialGasPhototube text