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

5512

Water-cooled high-power RF transmitting triode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.2 V / 435 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
6.2 V
Nominal heater current
435 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 0

Triode

X-ray radiationInterelectrode capacitances
Amplification factor
38
Max plate dissipation
23000 W

Water cooled RF transmitting triode; narrative cites 25 kW dissipation but maximum ratings table states 23 kW. Table used as maximum.

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 H 1000

Published operating points and test conditions from this source.

SECTION 0

Triode

Characteristic

  • Plate Voltage

    7000 V

    Grounded grid RF operation at 108 MHz

Other

  • Heater/filament voltage

    6.2 V

    Filament voltage

  • Heater/filament current

    435 A

    Filament current