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Power - Triode ·Triode

G811

Directly heated tungsten-cathode transmitting triode designed primarily as an RF oscillator. Rated around 1.25 kV plate operation and 40 W dissipation, its rugged construction suits professional radio-frequency equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4B
Base pins
-
Nominal heater
6.3 V / 4 A

Description

The G-811 triode is used as an oscillator in RF equipment and has a directly heated tungsten cathode.

Socket description

Medium 4-pin bayonet

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B4B
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
4 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 plate voltage
1250 V
Max plate dissipation
40 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

  • eHepaTopHLIN Tpuog [1]

    -811

    eHepaTopHLIN Tpuog -811 npegHasHaqeH ana re- The '-811 triode is used as an oscillator in RF equip-

  • eHepaTopHLIN Tpuog [2]

    -811

    eHepaTopHLIN Tpuog -811 npegHasHaqeH ana re- The '-811 triode is used as an oscillator in RF equip-

  • grid [1]

    167

    Height: at most 167 mm. A - anode; 1, 4 - cathode; 3 - grid;

  • grid [2]

    1

    Height: at most 167 mm. A - anode; 1, 4 - cathode; 3 - grid;

  • grid [3]

    4

    Height: at most 167 mm. A - anode; 1, 4 - cathode; 3 - grid;

  • grid [4]

    3

    Height: at most 167 mm. A - anode; 1, 4 - cathode; 3 - grid;

  • temperature,°C ...................... — [1]

    -60 C

    Temneparypa okpyxaiowei cpeabl, °C .. ......... Ambient temperature,°C ...................... —-60to +70

  • temperature,°C ...................... — [2]

    70 C

    Temneparypa okpyxaiowei cpeabl, °C .. ......... Ambient temperature,°C ...................... —-60to +70

  • anode [1]

    0 V

    KoadcbuuymeHT yeuneHus (npy Hanps>KeHUsAX CeTKK Gain coefficient (at grid voltages 0 and —2 V and anode

  • anode [2]

    -2 V

    KoadcbuuymeHT yeuneHus (npy Hanps>KeHUsAX CeTKK Gain coefficient (at grid voltages 0 and —2 V and anode

  • grid [1]

    2 A

    Tok aHoAa (npu HanpskeHusax aHoga 2 kB, ceTku Anode current (at anode voltage 2 kV and grid

  • grid [2]

    2 A

    Tok aHoAa (npu HanpskeHusax aHoga 2 kB, ceTku Anode current (at anode voltage 2 kV and grid

  • voltage [1]

    16 V

    MUHYC2B),MA ... ... 16-36 voltage —2V), mA ... .. .. ... ... .. ..., 16-36

  • voltage [2]

    -36 V

    MUHYC2B),MA ... ... 16-36 voltage —2V), mA ... .. .. ... ... .. ..., 16-36

  • voltage [3]

    -2 V

    MUHYC2B),MA ... ... 16-36 voltage —2V), mA ... .. .. ... ... .. ..., 16-36

  • voltage [4]

    16 V

    MUHYC2B),MA ... ... 16-36 voltage —2V), mA ... .. .. ... ... .. ..., 16-36

  • voltage [5]

    -36 V

    MUHYC2B),MA ... ... 16-36 voltage —2V), mA ... .. .. ... ... .. ..., 16-36

  • output [1]

    4

    BbIXOOAHAS ... ..ottt 0,4-0,8 output . ... . 0.4-038

  • output [2]

    -8

    BbIXOOAHAS ... ..ottt 0,4-0,8 output . ... . 0.4-038

  • output [3]

    0.4

    BbIXOOAHAS ... ..ottt 0,4-0,8 output . ... . 0.4-038

  • output [4]

    -38

    BbIXOOAHAS ... ..ottt 0,4-0,8 output . ... . 0.4-038

  • anode [1]

    15 W

    MouwHocTb BbixoAHAasA (Npy Hanps>keHun aHoaa 1,5 kB, Output power (at anode voltage 1.5 kV and anode

  • anode [2]

    1.5 W

    MouwHocTb BbixoAHAasA (Npy Hanps>keHun aHoaa 1,5 kB, Output power (at anode voltage 1.5 kV and anode

  • current [1]

    150 mA

    TOKe aHoga 150 MA), BT, He MeHee: current 150 mA), W, atleast:

  • current [2]

    150 mA

    TOKe aHoga 150 MA), BT, He MeHee: current 150 mA), W, atleast:

  • voltage, kV [1]

    125 kV

    ... L. 1,25 Anode voltage, kV ....... ... ... ... ... ... ... 1.25

  • voltage, kV [2]

    1.25 kV

    ... L. 1,25 Anode voltage, kV ....... ... ... ... ... ... ... 1.25

  • current (DC component), mA [1]

    50 mA

    Tok ceTku (NOCTOAHHANA cocTasnsAwas), MA . ... .. 50 Grid current (DC component), mA ............... 50

  • current (DC component), mA [2]

    50 mA

    Tok ceTku (NOCTOAHHANA cocTasnsAwas), MA . ... .. 50 Grid current (DC component), mA ............... 50

  • dissipation, W [1]

    40 W

    Paccevsaemas aHO4OM MOWHOCTL, BT ........... 40 Anode dissipation, W ......................... 40

  • dissipation, W [2]

    40 W

    Paccevsaemas aHO4OM MOWHOCTL, BT ........... 40 Anode dissipation, W ......................... 40