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

Voltage - Triode (single) ·Triode

GMI34B

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 / -

Description

The GMI-34B triode is used for pulse power switching in RF equipment. It has a metal-ceramic envelope and air cooling.

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

Triode

X-ray radiationInterelectrode capacitances
Max plate voltage
40000 V
Max cathode current
120 A

Promoted-field audit performed from English ratings/characteristics; detailed electrical values retained in parameter table.

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

Other

  • temperature,°C [1]

    1470 C

    OOMHOYHbBIE YOAPHBIC .. .. .. ... ... ... ... ... 1470 Ambient temperature,°C .......... .. ... ... —60to +100

  • temperature,°C [2]

    -60 C

    OOMHOYHbBIE YOAPHBIC .. .. .. ... ... ... ... ... 1470 Ambient temperature,°C .......... .. ... ... —60to +100

  • temperature,°C [3]

    100 C

    OOMHOYHbBIE YOAPHBIC .. .. .. ... ... ... ... ... 1470 Ambient temperature,°C .......... .. ... ... —60to +100

  • voltage (ACorDC),V [1]

    26 V

    ... . 26 Heater voltage (ACorDC),V ................... 26

  • voltage (ACorDC),V [2]

    26 V

    ... . 26 Heater voltage (ACorDC),V ................... 26

  • voltage (DC), kV [1]

    6 kV

    HanpspkeHve aHoga noctosHHoe, kB ... ... ... ... 6 Anode voltage (DC), kV ......... ... ... ... ..... 6

  • voltage (DC), kV [2]

    6 kV

    HanpspkeHve aHoga noctosHHoe, kB ... ... ... ... 6 Anode voltage (DC), kV ......... ... ... ... ..... 6

  • voltage, kV

    1.3 kV

    Hanpspkerune ceTku B UMnynbce Peak (excess) grid voltage, kV .. ................ 1.3

  • current, A, atleast [1]

    13 A

    (M3bbiToqHoe), KB . . ... 1,3 Peak anode current, A, atleast ................. 120

  • current, A, atleast [2]

    120 A

    (M3bbiToqHoe), KB . . ... 1,3 Peak anode current, A, atleast ................. 120

  • current, A,atmost [1]

    120 A

    Tok aHoga B UMNynbce, A, HEMEHEE . . ... ........ 120 Peak grid current, A,atmost . .................. 0.1

  • current, A,atmost [2]

    100 mA

    Tok aHoga B UMNynbce, A, HEMEHEE . . ... ........ 120 Peak grid current, A,atmost . .................. 0.1

  • voltage, absolute value, V

    1 V

    Tok ceTkn B umnynece, A, Hebonee ............. 0,1 Negative cutoff voltage, absolute value, V,

  • Interelectrode capacitance, pF

    300 pF

    Bpems roTOBHOCTH, C, He bonee . ............... 300 Interelectrode capacitance, pF:

  • input [1]

    6

    MexanekTpogHble eMkocTu, nd, He 6onee: input ... 450

  • input [2]

    450

    MexanekTpogHble eMkocTu, nd, He 6onee: input ... 450

  • output [1]

    450

    BXOAHAS . . totiiie ittt 450 output .. ... 40

  • output [2]

    40

    BXOAHAS . . totiiie ittt 450 output .. ... 40

  • voltage (ACorDC),V [1]

    247 V

    HanpsxeHue Hakana (~uwnu =),B .............. 24,7-27,3 Heater voltage (ACorDC),V ................... 24.7-27.3

  • voltage (ACorDC),V [2]

    -273 V

    HanpsxeHue Hakana (~uwnu =),B .............. 24,7-27,3 Heater voltage (ACorDC),V ................... 24.7-27.3

  • voltage (ACorDC),V [3]

    24.7 V

    HanpsxeHue Hakana (~uwnu =),B .............. 24,7-27,3 Heater voltage (ACorDC),V ................... 24.7-27.3

  • voltage (ACorDC),V [4]

    -27.3 V

    HanpsxeHue Hakana (~uwnu =),B .............. 24,7-27,3 Heater voltage (ACorDC),V ................... 24.7-27.3

  • voltage, kV ........ ... ... ..o [1]

    40 kV

    ... ... 40 Anode voltage, kV ........ ... ... ..o 40

  • voltage, kV ........ ... ... ..o [2]

    40 kV

    ... ... 40 Anode voltage, kV ........ ... ... ..o 40

  • grid voitage, absolute value, V [1]

    250

    OTpuuaTensHoe HanpsXeHne CeTKn Negative peak grid voitage, absolute value, V ... ... 250-300

  • grid voitage, absolute value, V [2]

    -300

    OTpuuaTensHoe HanpsXeHne CeTKn Negative peak grid voitage, absolute value, V ... ... 250-300

  • BuMnynece, KB [1]

    19

    BuMnynece, KB . ... ... 1,9 at 1/duty factoratleast500 .. ................ 150

  • BuMnynece, KB [2]

    1

    BuMnynece, KB . ... ... 1,9 at 1/duty factoratleast500 .. ................ 150

  • BuMnynece, KB [3]

    0

    BuMnynece, KB . ... ... 1,9 at 1/duty factoratleast500 .. ................ 150

  • BuMnynece, KB [4]

    150

    BuMnynece, KB . ... ... 1,9 at 1/duty factoratleast500 .. ................ 150

  • Haunbonblumin TOK KaToAaa B UMnynece, A: at [1]

    1

    Haunbonblumin TOK KaToAaa B UMnynece, A: at 1/duty factor atleast1,000 ................ 200

  • Haunbonblumin TOK KaToAaa B UMnynece, A: at [2]

    0

    Haunbonblumin TOK KaToAaa B UMnynece, A: at 1/duty factor atleast1,000 ................ 200

  • Haunbonblumin TOK KaToAaa B UMnynece, A: at [3]

    200

    Haunbonblumin TOK KaToAaa B UMnynece, A: at 1/duty factor atleast1,000 ................ 200

  • Dissipation, W [1]

    1000 W

    NPU CKBaXKHOCTU He MeHee 1000 . ............ 200 Dissipation, W:

  • Dissipation, W [2]

    200 W

    NPU CKBaXKHOCTU He MeHee 1000 . ............ 200 Dissipation, W:

  • grid

    80

    Pacceusaemas HanbonbLLaA MOWHOCTb, BT: grid ... 80

  • pulse duration, s [1]

    3 s

    AHOMOM .« . ooeee e e e e 3-10° Maximum pulse duration, s ............ ... 50

  • pulse duration, s [2]

    -10 s

    AHOMOM .« . ooeee e e e e 3-10° Maximum pulse duration, s ............ ... 50

  • pulse duration, s [3]

    50 s

    AHOMOM .« . ooeee e e e e 3-10° Maximum pulse duration, s ............ ... 50

  • anode Uprimpy

    2 V

    _ — — — bias voltage Ugs _ _ — _ grid 2-anode Uprimpy