57AVP

Amperex photomultiplier tube designed for high-sensitivity optical detection. Its internal electron-multiplication chain amplifies weak photocathode signals for photometric, scientific, or instrumentation applications.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: B14
Base pins: -
Nominal heater: -

Description

57AVP is listed in the supplied Amperex material as a photomultiplier tube. Published ratings and characteristics were captured from the supplied table.

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 dissipation: 1 W

Published ratings/characteristics reviewed.

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

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Photomultiplier

Characteristic

Minimum useful photocathode diameter
200 mm
Photomultiplier
Number of dynodes
11
Photomultiplier
Maximum spectral response
4200 angstrom
Photomultiplier
Minimum anode sensitivity
60 A/lm
Photomultiplier
Luminous-flux linearity lower ratio
30
Photomultiplier
Luminous-flux linearity upper ratio
100
Photomultiplier

Other

Supply voltage
1800 V
Photomultiplier
Maximum anode dissipation
0.5 W
Photomultiplier

Data set 02

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Photomultiplier

Construction

Multiplier stages
11
Useful photocathode diameter
200 mm

Other

Maximum/typical total voltage
2500 V

Capacitance

Anode-to-final-dynode capacitance
3 pF
Anode-to-all-other-electrodes capacitance
5 pF

Characteristics

Typical anode sensitivity
250 A/lm
Maximum anode dark current
0.001 mA
Typical photocathode sensitivity
50 uA/lm
Wavelength of maximum response
4200 angstrom