Skip to main content

Power - Triode ·Triode

GK5A

High-power RF triode for oscillator, amplifier, or transmitting service.

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

Description

The 'K-5A triode is used for amplification or genera- Cathode: directly heated, carbonized thoriated tungsten. Envelope: glass-to-metal. Cooling: foced (water for anode, air for stem, air for en-

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
18 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

No fixed ratings are recorded for this section.

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

  • cathode [1]

    12

    1,2, 3, 4 - cathode

  • cathode [2]

    3

    1,2, 3, 4 - cathode

  • cathode [3]

    4

    1,2, 3, 4 - cathode

  • amplification or genera

    5

    The 'K-5A triode is used for amplification or genera-

  • temperature,°C [1]

    -10 C

    Temnepatypa okpy>xatowew cpegbl, °C . .......... -10-+55 Ambient temperature,°C ...................... —101o +55

  • temperature,°C [2]

    55 C

    Temnepatypa okpy>xatowew cpegbl, °C . .......... -10-+55 Ambient temperature,°C ...................... —101o +55

  • temperature,°C [3]

    -101 C

    Temnepatypa okpy>xatowew cpegbl, °C . .......... -10-+55 Ambient temperature,°C ...................... —101o +55

  • temperature,°C [4]

    55 C

    Temnepatypa okpy>xatowew cpegbl, °C . .......... -10-+55 Ambient temperature,°C ...................... —101o +55

  • voltage

    10 uS

    KpyTuana xapaktepucTiki (NPpy HaNps>XeHu aHoAa Mutual conductance (at anode voltage 10kV and

  • currents [1]

    10 mA

    10 kB, Tokax aHoga6 M8 A),MA/B .............. 70-110 anode currents 6and 8 A), mA/V ... ... ... 70-110

  • currents [2]

    70 mA

    10 kB, Tokax aHoga6 M8 A),MA/B .............. 70-110 anode currents 6and 8 A), mA/V ... ... ... 70-110

  • currents [3]

    -110 mA

    10 kB, Tokax aHoga6 M8 A),MA/B .............. 70-110 anode currents 6and 8 A), mA/V ... ... ... 70-110

  • currents [4]

    6 mA

    10 kB, Tokax aHoga6 M8 A),MA/B .............. 70-110 anode currents 6and 8 A), mA/V ... ... ... 70-110

  • currents [5]

    8 mA

    10 kB, Tokax aHoga6 M8 A),MA/B .............. 70-110 anode currents 6and 8 A), mA/V ... ... ... 70-110

  • currents [6]

    70 mA

    10 kB, Tokax aHoga6 M8 A),MA/B .............. 70-110 anode currents 6and 8 A), mA/V ... ... ... 70-110

  • currents [7]

    -110 mA

    10 kB, Tokax aHoga6 M8 A),MA/B .............. 70-110 anode currents 6and 8 A), mA/V ... ... ... 70-110

  • voltages [1]

    8 kV

    KoadcbuumeHT yeunenms (npy HanpsiXxeHnax aHoaa Gain coefficient (at anode voltages 8 and 10 kV

  • voltages [2]

    10 kV

    KoadcbuumeHT yeunenms (npy HanpsiXxeHnax aHoaa Gain coefficient (at anode voltages 8 and 10 kV

  • Interelectrode capacitance, pF, at most

    6 pF

    MexonekTpoaHbie emkocTy, Nd, He 6onee: Interelectrode capacitance, pF, at most:

  • input [1]

    220

    BXOAHASA ..o iiit i nnie it ii e 220 input .. ... 220

  • input [2]

    220

    BXOAHASA ..o iiit i nnie it ii e 220 input .. ... 220

  • output [1]

    5

    BBIXOAHAS . .o ovtn it ie e et 5 output . ... 5

  • output [2]

    5

    BBIXOAHAS . .o ovtn it ie e et 5 output . ... 5

  • anode modulation [1]

    3

    B UMNynbce (NKosoe 3HaqeHune npn 100 % peak value at 100-% anode modulation ........... 20

  • anode modulation [2]

    100

    B UMNynbce (NKosoe 3HaqeHune npn 100 % peak value at 100-% anode modulation ........... 20

  • anode modulation [3]

    100

    B UMNynbce (NKosoe 3HaqeHune npn 100 % peak value at 100-% anode modulation ........... 20

  • anode modulation [4]

    20

    B UMNynbce (NKosoe 3HaqeHune npn 100 % peak value at 100-% anode modulation ........... 20

  • current, A [1]

    20 A

    QHOAHON MOAYNAUMM) . . ... oo 20 Filament startingcurrent, A ....................... 863

  • current, A [2]

    863 A

    QHOAHON MOAYNAUMM) . . ... oo 20 Filament startingcurrent, A ....................... 863

  • Dissipation, kW

    863 kW

    MyckoBOM TOKHaKana, A . ...........cuvenvnnen... 863 Dissipation, kW:

  • anode .............. e

    200

    PaccenBaemas MowHOCTb, KBT: anode .............. e 200

  • frequency, MHz [1]

    10 MHz

    COTKOM . oottt ettt i 10 Operating frequency, MHz ........................ 26

  • frequency, MHz [2]

    26 MHz

    COTKOM . oottt ettt i 10 Operating frequency, MHz ........................ 26

  • Temperature at envelope and seals,°C [1]

    26 C

    Pabouasyactota, My .............. ... ... .. ... 26 Temperature at envelope and seals,°C .............. 150

  • Temperature at envelope and seals,°C [2]

    150 C

    Pabouasyactota, My .............. ... ... .. ... 26 Temperature at envelope and seals,°C .............. 150