7909

Compact ten-stage S-11 multiplier phototube with an integral potted voltage-divider network. The built-in divider simplifies high-gain low-light detection systems by integrating the dynode bias network with the photomultiplier.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

Compact ten-stage multiplier phototube with S-11 spectral response and integral potted voltage-divider network.

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