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Voltage - Triode (single) ·Triode

GMI46B

Russian high-current pulse-switching triode designed as the power switch in RF pulse modulators and related pulsed-power equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
26 V / 8 A

Description

The GMI46B is a high-current pulse switching triode.

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
8 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
Max cathode current
55 A

Promoted from published pulse switching limits; non-promoted pulse quantities retained as parameters.

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

Triode

Characteristic

  • Heater current

    7.6 A to 8.4 A

Other

  • Peak anode current

    55 A

  • Peak cathode current

    55 A

  • Negative cutoff/bias voltage

    300 V

  • Peak excess grid voltage

    1500 V

  • Maximum pulse duration

    1000 us

Capacitance

  • Input capacitance maximum

    210 pF