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Tube Tinker — Electron Tube Database
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Specialized - Photo Tube ·CameraPickup

7389B

S-10 image orthicon with high signal-to-noise ratio.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 600 mA

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
6.3 V
Nominal heater current
600 mA
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 0

CameraPickup

X-ray radiationInterelectrode capacitances
Max plate voltage
1650 V

S-10 image orthicon; typical anode supply 1250 V, max 1650 V.

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

9999 Mixed D 1000

Published operating points and test conditions from this source.

SECTION 0

CameraPickup

Other

  • Maximum plate voltage

    1650 V

    Maximum anode supply

Characteristic

  • Plate Voltage

    1250 V

    Typical anode supply

Characteristics

  • Wavelength of maximum response

    450 nm

    S-10 peak response