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Power - Triode (over 1000V 100W) ·Triode

GI27AM

Power transmitting triode intended for RF amplification, oscillation, or modulation. Manufacturer documentation emphasizes professional transmitter or industrial RF service with substantial plate voltage, current, and output capability.

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

Description

The GI-27AM directly heated metal-ceramic triode is used in self-excited oscillator and RF power-amplifier circuits with pulsed anode modulation; its anode is water cooled and other envelope elements are air cooled.

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
-
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 plate dissipation
25000 W
Max grid dissipation
250 W

Promoted-field completeness audit performed from English ratings/characteristics.

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

  • UMnynbcHbI reHepaTopHbiv Tpuog, M'N [1]

    27

    UMnynbcHbI reHepaTopHbiv Tpuog, M'N-27AM npea- The "'N-27AM triode is used in self-excited oscillator

  • UMnynbcHbI reHepaTopHbiv Tpuog, M'N [2]

    27

    UMnynbcHbI reHepaTopHbiv Tpuog, M'N-27AM npea- The "'N-27AM triode is used in self-excited oscillator

  • temperature,°C [1]

    147 C

    YCKOPEHMEM, M/CZ . .. ... . i 147 Ambient temperature,°C ...................... 1-55

  • temperature,°C [2]

    1 C

    YCKOPEHMEM, M/CZ . .. ... . i 147 Ambient temperature,°C ...................... 1-55

  • temperature,°C [3]

    -55 C

    YCKOPEHMEM, M/CZ . .. ... . i 147 Ambient temperature,°C ...................... 1-55

  • voltage [1]

    3 kV

    HanpsixxeHue 3anupaHus oTpularensHoe (Npu Negative cutoff voltage (at anode voltage 10 kV,

  • voltage [2]

    10 kV

    HanpsixxeHue 3anupaHus oTpularensHoe (Npu Negative cutoff voltage (at anode voltage 10 kV,

  • current [1]

    10 A

    HanpsbkeHuy aHoaa 10 kB, Toke aHopa 0,1 A), anode current 0.1 A), absolute value,

  • current [2]

    1 A

    HanpsbkeHuy aHoaa 10 kB, Toke aHopa 0,1 A), anode current 0.1 A), absolute value,

  • current [3]

    100 mA

    HanpsbkeHuy aHoaa 10 kB, Toke aHopa 0,1 A), anode current 0.1 A), absolute value,

  • anode

    3 kV

    HarnpsHKeHUsIX aHOAA N CETKU B UMNYTbCe grid voltages 3 kV, with interconnected anode

  • voltages

    4 V

    KoadhdpuumeHT yecuneHus (npu HanpspkeHnsx aHopa Gain coefficient (at anode voltages 4 and

  • voltage

    40 W

    BbixogHas MOWHOCTb B My bce (Npn Peak power output (at peak anode voltage 40 kV,

  • pulse duration [1]

    40 us

    Hanpsi>XeHuv aHoaa B umnyrnsce 40 kB, pulse duration 300 us, at up to 150 MHz),

  • pulse duration [2]

    300 us

    Hanpsi>XeHuv aHoaa B umnyrnsce 40 kB, pulse duration 300 us, at up to 150 MHz),

  • pulse duration [3]

    150 us

    Hanpsi>XeHuv aHoaa B umnyrnsce 40 kB, pulse duration 300 us, at up to 150 MHz),

  • anode [1]

    0 uS

    0o 150 M), MBT, He meHee . . ... .............. Mutual conductance (at anode voltage 5 kV, anode

  • anode [2]

    150 uS

    0o 150 M), MBT, He meHee . . ... .............. Mutual conductance (at anode voltage 5 kV, anode

  • anode [3]

    5 uS

    0o 150 M), MBT, He meHee . . ... .............. Mutual conductance (at anode voltage 5 kV, anode

  • Interelectrode capacitance, pF [1]

    5 pF

    aHopa 5 kB, Tokax aHoaa 2,51 4,5 A), Interelectrode capacitance, pF:

  • Interelectrode capacitance, pF [2]

    251 pF

    aHopa 5 kB, Tokax aHoaa 2,51 4,5 A), Interelectrode capacitance, pF:

  • Interelectrode capacitance, pF [3]

    45 pF

    aHopa 5 kB, Tokax aHoaa 2,51 4,5 A), Interelectrode capacitance, pF:

  • input,atmost [1]

    75

    75-110 input,atmost ... . 200

  • input,atmost [2]

    -110

    75-110 input,atmost ... . 200

  • input,atmost [3]

    200

    75-110 input,atmost ... . 200

  • voltage (DC), kV

    40 kV

    Hanpsixenue aHoaa B UMNynsce Peak anode voltage (DC), kV . .................. 40

  • grid voitage, absolute value, V

    4800

    (noctosiHHoe), KB . .. ... .. Negative grid voitage, absolute value, V. . ......... 4,800

  • dissipation, kW . ... ... .. .. . L

    25 kW

    HanpsixeHue ceTku oTpuuaTtensHoe (abconoTHoe Anode dissipation, kW . ... ... .. .. . L. 25

  • current (peak value), A [1]

    3 A

    3Hauenue), B . ... ... Filament starting current (peak value), A .......... 1,100

  • current (peak value), A [2]

    1100 A

    3Hauenue), B . ... ... Filament starting current (peak value), A .......... 1,100

  • frequency, MHz, atmost [1]

    1100 MHz

    BHAYGHME), A . ... e 1100 Operating frequency, MHz, atmost . ............. 200

  • frequency, MHz, atmost [2]

    200 MHz

    BHAYGHME), A . ... e 1100 Operating frequency, MHz, atmost . ............. 200

  • Temperature at the hottest point of envelope, °C [1]

    250 C

    PacceuBaemasi MOWHOCTb CETKOR, BT . ........... 250 Temperature at the hottest point of envelope, °C . . .. 175

  • Temperature at the hottest point of envelope, °C [2]

    175 C

    PacceuBaemasi MOWHOCTb CETKOR, BT . ........... 250 Temperature at the hottest point of envelope, °C . . .. 175

  • grid [1]

    80

    _ - grid . 80 P J | |4

  • grid [2]

    4

    _ - grid . 80 P J | |4