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Specialized - Photo Tube ·ImageConverterIntensifier

1P25

Infrared-sensitive electrostatic image-converter tube that transforms a photocathode image into a visible fluorescent image.

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

Description

Infrared-sensitive electrostatic viewing tube that converts a photocathode image to a visible fluorescent image.

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

ImageConverterIntensifier

X-ray radiationInterelectrode capacitances
Max plate voltage
4500 V

Published maximum ratings and electrical characteristics promoted from the approved source.

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

ImageConverterIntensifier

Other

  • Maximum Plate Voltage

    4500 V

  • AcceleratingElectrodeVoltageMaximum

    800 V

    Grid No.3

  • FocusingElectrodeVoltageMaximum

    250 V

    Grid No.2

  • PhotocathodeIlluminationMaximum

    50 foot-candle