Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Power - Beam (NOT sweep) (over 1000V 100W) ·BeamPower

GS3A

Water-cooled Russian beam-power tetrode designed for high-power radio-frequency operation over approximately 300–800 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
26 V / -

Description

Water-cooled beam-power tetrode for 300–800 MHz.

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
26 V
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

Beam Power

X-ray radiationInterelectrode capacitances
Max plate voltage
2700 V
Max screen voltage
700 V
Max plate dissipation
3000 W
Max grid dissipation
60 W
Max cathode current
2.6 A

English text primary; Russian used only as secondary cross-check.

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

1968 Electronintorg

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Operating Frequency

    300-800 MHz

  • Maximum Anode Voltage

    2700 V

  • Maximum Grid 2 Voltage

    700 V

  • Maximum Anode Dissipation

    3000 W

  • Maximum Grid Dissipation

    60 W

  • Cathode Current Limit

    2.6 A

  • Maximum Driving Power

    300 W

Characteristic

  • Heater/Filament Voltage

    26 V

  • Warm-up Time Maximum

    120 s