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Specialized - Photo Tube ·PhotoemissiveDetector

FW114

Biplanar high-current photodiode intended for close optical coupling to scintillators. Designed for measuring intense gamma radiation, cosmic rays, X-rays, and nuclear particles through fast scintillation-light detection.

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

Description

The FW-114 is a biplanar high-current photodiode intended for close optical coupling to scintillators and measurement of intense gamma radiation, cosmic rays, X rays, and nuclear particles.

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

PhotoemissiveDetector

X-ray radiationInterelectrode capacitances
Max plate voltage
2500 V
Max cathode current
25 A

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

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

PhotoemissiveDetector

Characteristic

  • Operating Voltage

    2500 V

  • Average Dark Current

    0.000001 mA

  • Maximum Linear Output Current

    25 A

  • Dynamic Range

    25000000000

  • Photocathode Construction

    Biplanar

  • Scintillator Coupling

    Flat disc in faceplate cavity

  • Radiation Monitoring

    Gamma, cosmic rays, X rays, nuclear particles