3538

Gas-filled red- and infrared-sensitive phototube using a cesium-on-oxidized-silver photocathode with approximately 1.35 cm² sensitive area. Gas filling enhances output for longer-wavelength optical detection.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

Gas-filled red and infrared phototube with cesium-on-oxidized-silver cathode and 1.35 square-centimeter sensitive area.

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

Max plate voltage: 100 V

Published ratings and characteristics promoted semantically from the approved Philips 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

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

PhotoemissiveDetector

Characteristic

Projected Sensitive Area
1.35 cm2
Dark Current Maximum
0.1 uA
At 50 C
Sensitivity
120 uA/lm
2700 K lamp

Other

Operating Voltage
85 V
Maximum Anode Voltage
100 V
Maximum Cathode Current Density
0.02 uA/mm2
Maximum Ambient Temperature
50 C

Data set 02

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

PhotoemissiveDetector

Other

Anode voltage . . . . . . Vg
100 V
Anode voltage . . . . . . Vg = 100 V
Sensitivity . . . . . . . . N
150 uA/lm
Sensitivity . . . . . . . . N = 150 uA/lm
Anode-to-cathode capacity. . Cak
25 pF
Anode-to-cathode capacity. . Cak = 25 pF
Maximum anode voltage . . . Vamax
100 V
Maximum anode voltage . . . Vamax = 100 V
Maximum anode current . . . lamax
75 uA
Maximum anode current . . . lamax = 75 uA
100% corresponds to a sensitivity of
8000 uA
100% corresponds to a sensitivity of 8000 uA/W. That is to say a current of
Published electrical value
8000 uA
8000 uA will flow through the cell when it is touched by a radiation