7908

Ten-stage S-11 multiplier phototube designed for reliable operation under severe military environmental conditions. It combines high-gain optical detection with rugged construction for demanding field instrumentation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

Ten-stage multiplier phototube with S-11 response, designed for reliable operation under severe military environmental conditions.

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

Photomultiplier

X-ray radiationInterelectrode capacitances

Max plate dissipation: 2 W
Max cathode current: 5 mA

Published electrical limits and characteristics promoted from the approved source; non-schema quantities are retained in TUBE_SECTION_PARAMETER.

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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

Photomultiplier

Other

Maximum Plate Dissipation
2 W
Maximum Cathode Current
5 mA
AverageAnodeCurrentMaximum
1 mA
PeakAnodeCurrentMaximum
5 mA

Characteristic

CurrentAmplification
150000
105 V per stage