55AVP

Amperex photomultiplier designed for sensitive photoelectric measurement. Multiple electron-multiplication stages amplify photocathode current internally, providing high gain for low-light optical detection.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: BIDECAL 20-p
Socket code: -
Base pins: 20
Nominal heater: -

Description

55AVP is listed in the supplied Amperex material as a photomultiplier tube. Published ratings and operating characteristics were captured from the supplied table.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: BIDECAL 20-p
Socket code: -
Base pins: 20
Nominal heater voltage: -
Nominal heater current: -
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

BIDECAL 20-p - 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: 0.5 W

Published ratings and operating/characteristic data 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
44 mm
Photomultiplier
Number of dynodes
15
Photomultiplier
Maximum spectral response
4200 angstrom
Photomultiplier
Minimum photocathode sensitivity
25 uA/lm
Photomultiplier
Average photocathode sensitivity
50 uA/lm
Photomultiplier
Luminous-flux linearity lower ratio
30
Photomultiplier
Luminous-flux linearity upper ratio
100
Photomultiplier

Other

Maximum direct dark current
5000 nA
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
15

Characteristics

Minimum useful photocathode diameter
44 mm
Wavelength at maximum response
4200 angstrom
Linear-response anode pulse current
30 mA
CircuitFigure1
Linear-response anode pulse current
100 mA
CircuitFigure2
Amplification
100000000
SupplyVoltage=2000V

Other

Maximum total supply voltage
2000 V
Maximum anode current
1 mA
Maximum anode dissipation
0.5 W
Minimum cathode to first dynode voltage
180 V
Minimum consecutive dynode voltage
80 V

Capacitance

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