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Voltage - Dual Triode (similar) ·Triode-Triode

6829

Rugged high-current dual triode developed for pulse, amplifier, and switching applications, combining two robust triode sections for demanding high-current electronic control service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B9A
Base pins
-
Nominal heater
6.3 V / 450 mA

Description

Rugged high-current dual triode for pulse, amplifier, and switching service.

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
6.3 V
Nominal heater current
450 mA
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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
7000 Ω
Transconductance
0.0067 S
Amplification factor
47
Max plate voltage
275 V
Max plate dissipation
2.2 W
Max cathode current
160 mA

Published maximum ratings and typical characteristics promoted from the approved source; identical repeated sections compressed where applicable.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
7000 Ω
Transconductance
0.0067 S
Amplification factor
47
Max plate voltage
275 V
Max plate dissipation
2.2 W
Max cathode current
160 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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    450 mA

    Nominal

  • Maximum Plate Voltage

    275 V

  • Maximum Plate Dissipation

    2.2 W

  • Maximum Cathode Current

    160 mA

Characteristic

  • Transconductance

    6700 µS

    Typical

  • Amplification Factor

    47

    Typical

  • Plate Resistance

    7000 ohm

    Typical