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Power - Beam (NOT sweep) ·BeamPower

6046

Beam-power pentode designed for applications requiring relatively high plate current from low plate and screen supply voltages.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
7AC
Socket code
B7G
Base pins
7
Nominal heater
25 V / 300 mA

Description

Power pentode for applications requiring relatively high plate current at low plate and screen supply voltages.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7AC
Socket code
B7G
Base pins
7
Nominal heater voltage
25 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7AC - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1Pin 1—NCVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN2Pin 2—H — HeaterVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN3Pin 3AP — Plate (Anode)Verified

12L6GT/25L6GT manufacturer basing, 7AC

PIN4Pin 4AG2 — Screen GridVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN5Pin 5AG1 — Control GridVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN7Pin 7—H — HeaterVerified

12L6GT/25L6GT manufacturer basing, 7AC

PIN8Pin 8ABP — Beam-Forming PlateGroup AC8Verified

12L6GT/25L6GT manufacturer basing, 7AC

PIN8Pin 8AK — CathodeGroup AC8Verified

12L6GT/25L6GT manufacturer basing, 7AC

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
13000 Ω
Transconductance
0.008 S
Max plate voltage
200 V
Max screen voltage
125 V
Max plate dissipation
10 W
Max screen dissipation
1.9 W
Rectifier max heater-cathode voltage
150 V

Beam-power amplifier; Class-A and relay-energizer conditions preserved 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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Plate voltage

    200 V

    ClassA

  • Screen voltage

    125 V

    ClassA

  • Control-grid bias or cathode resistor

    180 V

    ClassA

  • Plate current

    46 mA

    ClassA

  • Screen current

    2.2 mA

    ClassA

  • Plate resistance

    28000 ohm

    ClassA

  • Transconductance

    8000 uS

    ClassA

  • Load resistance

    1000 ohm

    ClassA

  • Power output

    3.8 W

    ClassA

  • Plate voltage

    110 V

    ClassA

  • Screen voltage

    110 V

    ClassA

  • Control-grid bias or cathode resistor

    -7.5 V

    ClassA

  • Plate current

    49 mA

    ClassA

  • Screen current

    4 mA

    ClassA

  • Plate resistance

    13000 ohm

    ClassA

  • Transconductance

    8000 uS

    ClassA

  • Load resistance

    2000 ohm

    ClassA

  • Power output

    2.1 W

    ClassA

  • Plate supply voltage

    115 V

    RelayEnergizer

  • Screen supply voltage

    115 V

    RelayEnergizer

  • Control-grid bias

    0 V

    RelayEnergizer

  • Plate current

    105 mA

    RelayEnergizer

  • Screen current

    12.8 mA

    RelayEnergizer

  • Load resistance

    500 ohm

    RelayEnergizer

Data set 02

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • HeaterOrFilamentVoltageNominal

    25 V

  • HeaterOrFilamentCurrentNominal

    300 mA

  • PlateVoltage200Volts

    200 V

    Published datasheet table

  • SereenVoltage125Volts

    125 V

    Published datasheet table

  • PlateDissipation10Watts

    10 W

    Published datasheet table

  • ScreenDissipation19Watts

    1.9 W

    Published datasheet table

  • PeakHeaterCathodeVoltage150Volts

    150 V

    Published datasheet table

Characteristic

  • PlateVoltage110200VoltsValue1

    110 V

    Published datasheet table

  • PlateVoltage110200VoltsValue2

    200 V

    Published datasheet table

  • ScreenVoltage110125VoltsValue1

    110 V

    Published datasheet table

  • ScreenVoltage110125VoltsValue2

    125 V

    Published datasheet table

  • GridNo1Voltage75VoltsValue1

    1 V

    Published datasheet table

  • GridNo1Voltage75VoltsValue2

    -7.5 V

    Published datasheet table

  • CathodeBiasResistor180Ohms

    180 Ohm

    Published datasheet table

  • PeakAFGridNo1Voltage7585VoltsValue1

    1 V

    Published datasheet table

  • PeakAFGridNo1Voltage7585VoltsValue2

    7.5 V

    Published datasheet table

  • PeakAFGridNo1Voltage7585VoltsValue3

    8.5 V

    Published datasheet table

  • PlateResistanceApproximate1300028000OhmsValue1

    13000 Ohm

    Published datasheet table

  • PlateResistanceApproximate1300028000OhmsValue2

    28000 Ohm

    Published datasheet table

  • Transconductance80008000MicromhesValue1

    8000

    Published datasheet table

  • Transconductance80008000MicromhesValue2

    8000

    Published datasheet table

  • MaximumSignalPlateCurrent5047MilliamperesValue1

    50 mA

    Published datasheet table

  • MaximumSignalPlateCurrent5047MilliamperesValue2

    47 mA

    Published datasheet table

  • ZeroSignalScreenCurrent4022MilliamperesValue1

    4 mA

    Published datasheet table

  • ZeroSignalScreenCurrent4022MilliamperesValue2

    2.2 mA

    Published datasheet table

  • MaximumSignhalScreenCurrent10035MilliamperesValue1

    10 mA

    Published datasheet table

  • MaximumSignhalScreenCurrent10035MilliamperesValue2

    3.5 mA

    Published datasheet table

  • LoadResistance20004000OhmsValue1

    2000 Ohm

    Published datasheet table

  • LoadResistance20004000OhmsValue2

    4000 Ohm

    Published datasheet table

  • TotalHarmonicDistortionApproximate1010PercentValue1

    10 %

    Published datasheet table

  • TotalHarmonicDistortionApproximate1010PercentValue2

    10 %

    Published datasheet table

  • PowerOutput2138WattsValue1

    2.1 W

    Published datasheet table

  • PowerOutput2138WattsValue2

    3.8 W

    Published datasheet table

  • PlateSupplyVoltage115Volts

    115 V

    Published datasheet table

  • ScreenSupplyVoltage115Volts

    115 V

    Published datasheet table

  • GridNo1CircuitResistance2MegohmsValue1

    1 MOhm

    Published datasheet table

  • GridNo1CircuitResistance2MegohmsValue2

    2 MOhm

    Published datasheet table

  • GridNc1BlasVoltage0VoltValue1

    1 V

    Published datasheet table

  • GridNc1BlasVoltage0VoltValue2

    0 V

    Published datasheet table

  • PlateCurrent105Milliamperes

    105 mA

    Published datasheet table

  • ScreenCurrent128Milliamperes

    12.8 mA

    Published datasheet table

  • PlateCurrentForEcq25VoltsApproximate01MilllampereValue1

    -25 V

    Published datasheet table

  • PlateCurrentForEcq25VoltsApproximate01MilllampereValue2

    0.1 V

    Published datasheet table

  • NotExceed01MegohmForFixedBlasOperatlonAnd05MegohmForCathodeBiasValue1

    0 megohm

    Published datasheet table

  • NotExceed01MegohmForFixedBlasOperatlonAnd05MegohmForCathodeBiasValue2

    1 megohm

    Published datasheet table

  • NotExceed01MegohmForFixedBlasOperatlonAnd05MegohmForCathodeBiasValue3

    0.5 megohm

    Published datasheet table

  • SCREENCURRENT102OrORIDNUMBER1CURRENTIINMILLIAMPERESValue1

    102 mA

    Published datasheet table

  • SCREENCURRENT102OrORIDNUMBER1CURRENTIINMILLIAMPERESValue2

    1 mA

    Published datasheet table