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Specialized - Photo Tube ·Photomultiplier

6903

Ten-stage ultraviolet-sensitive photomultiplier for scintillation counting and low-level nuclear-radiation measurement.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B14
Base pins
-
Nominal heater
-

Description

Ten-stage head-on multiplier phototube for ultraviolet detection, scintillation counting, and low-level radiation measurement.

Socket description

Small-shell Diheptal 14-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B14
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

Photomultiplier

X-ray radiationInterelectrode capacitances
Max plate voltage
1250 V
Max cathode current
0.75 mA

Published maximum ratings and electrical characteristics promoted from 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

Photomultiplier

Other

  • Maximum Plate Voltage

    1250 V

  • Maximum Cathode Current

    0.75 mA

  • AnodeSupplyVoltageMaximum

    1250 V

  • AverageAnodeCurrentMaximum

    0.75 mA

Characteristic

  • CurrentMultiplicationMedian

    400000

    At 1000 V supply