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Tube Tinker — Electron Tube Database
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Power - Triode (over 1000V 100W) ·Triode

31000Z

No short description is recorded for this tube.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
7.5 V / 20 A

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
7.5 V
Nominal heater current
20 A
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

Triode

X-ray radiationInterelectrode capacitances
Amplification factor
200
Max plate voltage
6000 V
Max plate dissipation
1000 W
Max grid dissipation
50 W

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

1976 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Grid To Plate Capacitance

    7.5 pF

    Capacitance: consult datasheet for grounded-electrode configuration

  • Input Capacitance

    17 pF

    Capacitance: consult datasheet for grounded-electrode configuration

  • Output Capacitance

    0.2 pF

    Capacitance: consult datasheet for grounded-electrode configuration