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

Power - Triode ·Triode

GI48

Russian RF/pulse power triode; maximum anode voltage 2000 V.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 415 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
415 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

Triode

X-ray radiationInterelectrode capacitances
Max plate voltage
2000 V

15 W CW / 1 kW pulse; gm source 10+3.5-2.5 mA/V (nominal 0.010 A/V); filament 0.36–0.47 A; 900 MHz max.

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

2026 Russian Power

Published operating points and test conditions from this source.

SECTION 0

Triode

Other

  • Heater/filament voltage

    6.3 V

    Nominal heater voltage

  • Heater/filament current

    415 mA

    Nominal heater current

  • Maximum plate voltage

    2000 V

    Maximum anode voltage

Characteristic

  • Center/operating frequency

    900 MHz

    Maximum operating frequency stated by manufacturer; not a typical center frequency