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Triode - HV Shunt Regulator ·Triode

6877

High-voltage triode designed for electronic voltage-regulator service, controlling or shunting current to stabilize demanding power supplies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 800 mA

Description

Low-mu miniature power triode for series-pass or regulator service in military and industrial airborne power supplies. Electrical ratings, characteristics, operating data, and special environmental information were extracted from the supplied source.

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
9
Nominal heater voltage
6.3 V
Nominal heater current
800 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
2000 Ω
Transconductance
0.0065 S
Amplification factor
3.75
Max plate voltage
200 V
Max plate dissipation
12 W
Max cathode current
100 mA

Published ratings and characteristics promoted from the approved datasheet.

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater current

    800 mA

    Nominal

  • Plate voltage

    200 V

    Published operating table; OperatingPoint1

  • Plate voltage

    150 V

    Published operating table; OperatingPoint1

Characteristic

  • Plate current

    75 mA

    Published operating table; OperatingPoint1

  • Transconductance

    6500 uS

    Published operating table; OperatingPoint1

  • Plate resistance

    2000 ohm

    Published operating table; OperatingPoint1

Data set 02

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • CATHODE HEATING TIME

    30 s

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • LIMITS OF APPLIED VOLTAGE — published value 1

    6.3 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • LIMITS OF APPLIED VOLTAGE — published value 2

    3 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE VOLTAGE

    200 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • POSITIVE DC GRID VOLTAGE

    5 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • NEGATIVE DC GRID VOLTAGE

    150 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE DISSIPATION

    12 W

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • DC CATHODE CURRENT

    100 mA

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • DC GRID CURRENT

    5 mA

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • GRID CIRCUIT RESISTANCE

    1 Mohm

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE VOLTAGE

    150 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • GRID VOLTAGE

    -12 V

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE CURRENT

    75 mA

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • TRANSCONDUCTANCE

    6500 uS

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • AMPLIFICATION FACTOR

    3.75

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • PLATE RESISTANCE

    2000 ohm

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • Plate resistance

    2000 ohm

    Promoted section value from the supplied datasheet.

  • Transconductance

    0.0065 A/V

    Promoted section value from the supplied datasheet.

  • Amplification factor

    3.75

    Promoted section value from the supplied datasheet.

Other

  • BULB TEMPERATURE —ABSOLUTE MAX.

    300

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • ALTITUDE —ABSOLUTE MAX.

    80000

    Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.

  • Maximum plate voltage

    200 V

    Promoted section value from the supplied datasheet.

  • Maximum plate dissipation

    12 W

    Promoted section value from the supplied datasheet.