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Voltage - Triode (single) ·Triode

F9116

Triode for general electronic service. Available source material does not establish a narrower functional application confidently.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 150 mA

Description

High-insulation electrometer tube intended for high-voltage measurements using an inverted-triode connection.

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
6.3 V
Nominal heater current
150 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

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
1260 Ω
Amplification factor
0.08

Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed where applicable.

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Maximum internal-shield voltage

    -250 V

  • Maximum grid 1 voltage

    10 V

Data set 02

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Heater or filament voltage

    6.3 V

    Published nominal or stated operating value

  • Heater or filament current

    150 mA

    Published nominal or stated operating value

  • Grid-1 current

    1 mA

    Inverted-triode nominal condition

  • Grid-2 current

    0.0005 mA

    Maximum