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Power - Triode ·Triode

GI49B

Russian RF/pulse power triode; maximum anode voltage 2400 V.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12.6 V / 960 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
12.6 V
Nominal heater current
960 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
Transconductance
0.015 S
Max plate voltage
2400 V

75 W CW; pulse output incomplete; gm 0.015 A/V; filament 0.88–1.04 A; 2.4 kV continuous, 4 kV pulse; 10 cm wavelength.

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

    12.6 V

    Nominal heater voltage

  • Heater/filament current

    960 mA

    Nominal heater current

  • Maximum plate voltage

    2400 V

    Maximum anode voltage