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Specialized - Photo Tube ·Photomultiplier

51UVP

Amperex photomultiplier designed for sensitive photoelectric measurement. Its multiplier stages amplify the primary photocathode current internally, allowing detection of optical signals far weaker than ordinary single-stage phototubes can measure.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
DUQDECAL 12-p
Socket code
-
Base pins
12
Nominal heater
-

Description

51UVP 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
DUQDECAL 12-p
Socket code
-
Base pins
12
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

DUQDECAL 12-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

    32 mm

    Photomultiplier

  • Number of dynodes

    11

    Photomultiplier

  • Maximum spectral response

    4000 angstrom

    Photomultiplier

  • Minimum photocathode sensitivity

    25 uA/lm

    Photomultiplier

  • Average photocathode sensitivity

    50 uA/lm

    Photomultiplier

  • Minimum anode sensitivity

    60 A/lm

    Photomultiplier

  • Average anode sensitivity

    500 A/lm

    Photomultiplier

  • Minimum 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 direct dark current

    50 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

    11

Characteristics

  • Minimum useful photocathode diameter

    32 mm

  • Wavelength at maximum response

    4000 angstrom

  • Linear-response anode pulse current

    30 mA

    CircuitFigure1

  • Linear-response anode pulse current

    100 mA

    CircuitFigure2

  • Typical anode sensitivity

    500 A/lm

  • Minimum anode sensitivity

    60 A/lm

  • Maximum anode dark current

    0.00005 mA

Other

  • Maximum total supply voltage

    1800 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