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Power - Triode ·Triode-Triode

7119

High-current industrial twin triode with series/parallel heater connection, designed for applications requiring substantial cathode-current capability and moderate amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B9A
Base pins
-
Nominal heater
12.6 V / 400 mA

Description

7119 is listed in the supplied Amperex material as a high-current twin triode. Published electrical ratings and operating data were captured from the supplied table.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
-
Nominal heater voltage
12.6 V
Nominal heater current
400 mA
Parallel heater voltage
6.3 V
Parallel heater current
800 mA
Series capable
Yes

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
15500 Ω
Amplification factor
24
Max plate voltage
330 V
Max cathode current
120 mA

Published ratings and characteristics promoted from the supplied Rogers/Rogers Majestic source.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
15500 Ω
Amplification factor
24
Max plate voltage
330 V
Max cathode current
120 mA

Second physical triode section; electrically identical twin section.

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

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum plate voltage

    330 V

    Published Amperex table

  • Maximum plate current

    60 mA

    Published Amperex table

  • Maximum cathode current

    120 mA

    Published Amperex table

Characteristic

  • Plate resistance

    15500 ohm

    Published Amperex table

  • Heater/filament voltage

    6.3 V

    Published Amperex table

  • Heater/filament current

    800 mA

    Published Amperex table

  • Series heater voltage

    12.6 V

    Published Amperex table

  • Series heater current

    400 mA

    Published Amperex table

Data set 02

1959 Rogers

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • HeaterOrFilamentVoltage

    12.6 V

  • HeaterOrFilamentCurrent

    320 mA

Data set 03

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater voltage

    6.3 V

    Published rating

  • Heater current

    800 mA

    Published rating

  • Series heater voltage

    12.6 V

    SeriesHeater

  • Series heater current

    400 mA

    SeriesHeater

  • Published characteristic value

    6.7

    PremiumQuality

Other

  • Maximum plate voltage

    300 V

    PremiumQuality

  • Maximum plate current

    60 mA

    PremiumQuality