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Voltage - Dual Triode (similar) ·Triode-Triode

5814A

Improved special-quality medium-mu twin triode for industrial amplifier, oscillator, phase-inverter, and control service, designed for dependable operation under demanding conditions.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
9A
Socket code
B9A
Base pins
9
Nominal heater
12.6 V / 175 mA

Description

Premium medium-mu twin triode for mixers, oscillators, multivibrators and synchronizing amplifiers in industrial control equipment. Extracted from the supplied RCA Receiving Tube Manual excerpt.

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
9A
Socket code
B9A
Base pins
9
Nominal heater voltage
12.6 V
Nominal heater current
175 mA
Parallel heater voltage
6.3 V
Parallel heater current
350 mA
Series capable
Yes

9A - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN12PBP — Plate (Anode)

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

PIN22G1BG1 — Control Grid

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

PIN32KBK — Cathode

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

PIN4H—H — Heater

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

PIN5H—H — Heater

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

PIN61PAP — Plate (Anode)

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

PIN71G1AG1 — Control Grid

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

PIN81KAK — Cathode

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

PIN9HCT—HCT — Heater Center Tap

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9A

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
7700 Ω
Transconductance
0.0022 S
Amplification factor
17
Max plate voltage
330 V
Max plate dissipation
3 W
Max cathode current
22 mA
Rectifier max heater-cathode voltage
700 V

Published promoted fields populated semantically; identical repeated sections compressed.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
7700 Ω
Transconductance
0.0022 S
Amplification factor
17
Max plate voltage
330 V
Max plate dissipation
3 W
Max cathode current
22 mA

Second physical triode restored under current one-row-per-physical-section policy.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Transconductance

    2200 µS

  • Amplification Factor

    17

Other

  • Maximum Plate Voltage

    330 V

  • Maximum Plate Dissipation

    3 W

  • Maximum Cathode Current

    22 mA

  • Heater Voltage Series

    12.6 V

  • Heater Current Series

    175 mA

  • Heater Voltage Parallel

    6.3 V

  • Heater Current Parallel

    350 mA

  • Plate Voltage

    250 V

    ClassA,EachSection

  • Grid Voltage

    -8.5 V

    ClassA,EachSection

  • Plate Current

    10.5 mA

    ClassA,EachSection

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Plate Resistance

    7700 ohm

    EachSection

  • Transconductance

    2200 uS

    EachSection

  • Amplification Factor

    17

    EachSection

Data set 03

1963 Siemens

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater voltage

    6.3 V

  • Heater current

    350 mA

Characteristics

  • Transconductance

    2200 µS

    Nominal/Bogey

  • Amplification factor

    17

    Nominal/Bogey

Data set 04

1966 Tung Sol Electronic Tubes 3 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater voltage

    6.3 V

  • Heater current

    350 mA

  • Maximum heater-cathode voltage, heater positive

    700 V

  • Maximum heater-cathode voltage, heater negative

    100 V

  • Plate current

    11.8 mA

    100VPlate

  • Plate current

    10.5 mA

    250VPlate

  • Maximum plate voltage

    330 V

  • Maximum plate dissipation

    3 W

  • Maximum cathode current

    22 mA

Characteristic

  • Transconductance

    3100 uS

    100VPlate

  • Transconductance

    2200 uS

    250VPlate

  • Amplification factor

    19.5

    100VPlate

  • Amplification factor

    17

    250VPlate

  • Plate resistance

    6250 ohm

    100VPlate

  • Plate resistance

    7700 ohm

    250VPlate

Capacitance

  • Grid-to-plate capacitance

    1.5 pF

    Section1

  • Grid-to-plate capacitance

    1.5 pF

    Section2

  • Input capacitance

    1.6 pF

    Section1

  • Input capacitance

    1.6 pF

    Section2

  • Output capacitance

    0.5 pF

    Section1

  • Output capacitance

    0.4 pF

    Section2

Data set 05

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Voltage — published value 1

    6 V

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

  • Voltage — published value 2

    10 V

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

  • Voltage — published value 3

    6.3 V

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

  • Voltage — published value 4

    10 V

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

  • Current — published value 1

    0 mA

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

  • Current — published value 2

    175 A

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

  • Current — published value 3

    350 mA

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

  • Grid to prate — published value 1

    1.5

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

  • Grid to prate — published value 2

    1.5

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

  • Grid to cathode and heater — published value 1

    1.6

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

  • Grid to cathode and heater — published value 2

    1.6

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

  • Plate to cathode and heater — published value 1

    0.5

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

  • Plate to cathode and heater — published value 2

    0.4

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

  • Plate Voltage — published value 1

    100 V

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

  • Plate Voltage — published value 2

    250 V

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

  • Grid Voltage — published value 1

    0 V

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

  • Grid Voltage — published value 2

    -8.5 V

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

  • Plate Resistance (Approx.) — published value 1

    6250 ohm

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

  • Plate Resistance (Approx.) — published value 2

    7700 ohm

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

  • Transconductance — published value 1

    3100

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

  • Transconductance — published value 2

    2200

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

  • Plate Current — published value 1

    11.8 mA

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

  • Plate Current — published value 2

    10.5 mA

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

  • plate current of 10 µamp — published value 1

    10 V

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

  • plate current of 10 µamp — published value 2

    -22 V

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

  • Pin 1 -Plate of — published value 1

    1

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

  • Pin 1 -Plate of — published value 2

    6

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

  • Pin 2 -Grid of — published value 1

    2

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

  • Pin 2 -Grid of — published value 2

    7

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

  • Pins 4 & 9 -Heater of — published value 1

    4

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

  • Pins 4 & 9 -Heater of — published value 2

    9

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

  • Pins 4 & 9 -Heater of — published value 3

    9

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

  • Pins 5 d 9 -Heater of — published value 1

    5

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

  • Pins 5 d 9 -Heater of — published value 2

    9

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

  • Heater Current — published value 1

    1 A

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

  • Heater Current — published value 2

    160 mA

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

  • Heater Current — published value 3

    190 mA

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

  • Grid to plate — published value 1

    2

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

  • Grid to plate — published value 2

    1.2

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

  • Grid to plate — published value 3

    1.8

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

  • heater — published value 1

    2

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

  • heater — published value 2

    1.25

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

  • heater — published value 3

    1.95

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

  • heater (Unit No. l) — published value 1

    2

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

  • heater (Unit No. l) — published value 2

    0.3

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

  • heater (Unit No. l) — published value 3

    0.7

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

Other

  • PLATE VOLTAGE

    330 V

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

  • CATHODE CURRENT

    22 mA

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

  • PLATE DISSIPATION

    3 mA

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

  • Heater negative with respect to cathode

    100 V

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

  • Heater positive with respect to cathode

    100 V

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

  • For fixed-bias operation — published value 1

    0 Mohm

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

  • For fixed-bias operation — published value 2

    25 Mohm

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

  • For cathode-bias operation

    1 mA

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

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid-to-plate capacitance

    1.5 pF

    EachSection

  • Grid-to-cathode/heater capacitance

    1.6 pF

    EachSection

  • Plate-to-cathode/heater capacitance

    0.5 pF

    Section1

  • Plate-to-cathode/heater capacitance

    0.4 pF

    Section2

Characteristic

  • Transconductance alternate condition

    3100 uS

    ClassA

  • Plate current

    10.5 mA

    ClassA