Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Voltage - Triple Triode ·Triode-Triode-Triode

6MN8

High-mu triple triode for matrix-amplifier applications in color television receivers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
3
Base
EIA 12HU
Socket code
B12C
Base pins
12
Nominal heater
6.3 V / 900 mA

Description

High-mu triple triode for matrix-amplifier applications in color television receivers. Explicit heater variant/co-designation of 9MN8 in the approved source.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
EIA 12HU
Socket code
B12C
Base pins
12
Nominal heater voltage
6.3 V
Nominal heater current
900 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

EIA 12HU - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

3 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
10000 Ω
Transconductance
0.004 S
Amplification factor
40
Max plate voltage
330 V
Max plate dissipation
3 W

Representative row for identical Sections 1-3; promoted characteristics use the 200 V published operating point.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
6250 Ω
Transconductance
0.0075 S
Amplification factor
47
Max plate voltage
330 V

Published promoted values applied where applicable; additional ratings, characteristics, and operating data retained as parameters.

Section 3

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
10000 Ω
Transconductance
0.004 S
Amplification factor
40
Max plate voltage
200 V
Max plate dissipation
3 W

Published promoted values applied where applicable; additional ratings, characteristics, and operating data retained as parameters.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid-to-Plate Capacitance

    2.6 pF

    Section1

  • Input Capacitance

    4.6 pF

    Section1

  • Output Capacitance

    0.33 pF

    Section1

  • Grid-to-Plate Capacitance

    2.6 pF

    Section2

  • Input Capacitance

    4.6 pF

    Section2

  • Output Capacitance

    0.57 pF

    Section2

  • Grid-to-Plate Capacitance

    2.6 pF

    Section3

  • Input Capacitance

    4.6 pF

    Section3

  • Output Capacitance

    0.65 pF

    Section3

Other

  • Plate Voltage

    200 V

    ClassA

  • Grid Voltage

    -4 V

    ClassA

Characteristic

  • Plate Current

    4.8 mA

    ClassA

Data set 02

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Heater Voltage (ac or dc)

    6.3 V

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

  • Heater Current

    0.9

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

  • Amplification Factor — published value 1

    47 A

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

  • Amplification Factor — published value 2

    40 A

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

  • Plate Resistance (Approx.) — published value 1

    6250

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

  • Plate Resistance (Approx.) — published value 2

    10

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

  • Plate Resistance (Approx.) — published value 3

    0

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

  • Transconductance — published value 1

    7500

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

  • Transconductance — published value 2

    4000

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

  • Transconductance — published value 3

    1

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

  • Plate Current — published value 1

    11 mA

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

  • Plate Current — published value 2

    4.8 mA

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

  • Heater Voltage — published value 1

    6.3 V

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

  • Heater Voltage — published value 2

    6.3 V

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

  • Plate Voltage — published value 1

    125 V

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

  • Plate Voltage — published value 2

    200 V

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

  • Grid Voltage — published value 1

    -1 V

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

  • Grid Voltage — published value 2

    1 V

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

  • Plate Voltage

    330 V

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

  • Positive-bias value

    0

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

  • Plate Dissipation

    3

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

  • Heater Voltage , ac or do — published value 1

    5.7 V

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

  • Heater Voltage , ac or do — published value 2

    6.9 V

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

  • For fixed-bias operation

    1

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

  • current issue of EIA Standard RS-191

    191

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

  • As defined in the current issue of EIA Standard RS-239

    239

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

  • Pin 1 -Heater

    1

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

  • Pin 2 -Plate of Unit No.3

    2

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

  • Pin 3 -Cathode

    3

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

  • Pin 4 -Plate of Unit N o.2

    4

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

  • Pin 6 -Plate of Unit No.l

    6

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

  • Pin 8 -Grid of Unit N o.l

    8

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

  • Pin 10 -Grid of Unit No.2 — published value 1

    10

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

  • Pin 10 -Grid of Unit No.2 — published value 2

    12

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

  • Pin 11 -Grid of Unit No.3

    11

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

  • Pin 12 -Heater

    12

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

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • O.'J

    600 mA

    Other

  • Published value

    11 s

    Other

  • Peak value

    200 V

    Other;PublishedValue1

  • Peak value

    200 V

    Other;PublishedValue2

  • Average value

    100 V

    Other;PublishedValue1

  • Average value

    100 V

    Other;PublishedValue2

  • Plate Voltage

    330 V

    MaximumRating

  • Grid Voltage, Positive-bias valu

    0 V

    MaximumRating

  • Maximum Plate Voltage

    330 V

    Section1

Capacitance

  • Grid to Plate

    2.6 pF

    Capacitance;PublishedValue1

  • Grid to Plate

    2.6 pF

    Capacitance;PublishedValue2

  • Grid to Plate

    2.6 pF

    Capacitance;PublishedValue3

  • Grid to Cathode and Heater

    4.6 pF

    Capacitance;PublishedValue1

  • Grid to Cathode and Heater

    4.6 pF

    Capacitance;PublishedValue2

  • Grid to Cathode and Heater

    4.6 pF

    Capacitance;PublishedValue3

  • Plate to Cathode and Heater

    0.33 pF

    Capacitance;PublishedValue1

  • Plate to Cathode and Heater

    0.57 pF

    Capacitance;PublishedValue2

  • Plate to Cathode and Heater

    0.65 pF

    Capacitance;PublishedValue3

Characteristic

  • Plate Voltage

    125 V

    Characteristic;PublishedValue1

  • Plate Voltage

    200 V

    Characteristic;PublishedValue2

  • Grid Voltage .

    -1 V

    Characteristic;PublishedValue1

  • Grid Voltage .

    -4 V

    Characteristic;PublishedValue2

  • Plate Resistance (Approx.)

    6250 ohm

    Characteristic;PublishedValue1

  • Plate Resistance (Approx.)

    10000 ohm

    Characteristic;PublishedValue2

  • Plate Current

    11 mA

    Characteristic;PublishedValue1

  • Plate Current

    4.8 mA

    Characteristic;PublishedValue2

  • Grid Voltage (Approx.) for plate current f

    50 V

    Characteristic;PublishedValue1

  • Grid Voltage (Approx.) for plate current f

    -11 V

    Characteristic;PublishedValue2

  • Plate Resistance

    10000 ohm

    Section1

  • Transconductance

    4000 uS

    Section1

  • Amplification Factor

    40

    Section1

SECTION 3

Triode

Other

  • Heater Voltage

    9.6 volts

    Published value from supplied target entry

  • Plate Voltage

    330 volts

    Published value from supplied target entry

  • Grid Voltage, Positive-bias valu

    0 volt

    Published value from supplied target entry

  • Plate Voltage

    200 volts

    Published value from supplied target entry

  • Amplification Factor

    40

    Published value from supplied target entry

  • Plate Resistance (Approx.)

    10000 ohms

    Published value from supplied target entry

  • Transconductance

    4000 mhos

    Published value from supplied target entry

  • Plate Current

    4.8 mA

    Published value from supplied target entry

  • Grid Voltage (Approx.) for plate current f

    -11 volts

    Published value from supplied target entry

  • Heater Voltage (ac/dc)

    6.3 volts

    Published value from supplied target entry

  • Heater Current

    0.535 ampere

    Published value from supplied target entry

  • Heater Warm-up Time

    11 seconds

    Published value from supplied target entry

Capacitance

  • Direct Interelectrode Capacitances Unit No.l Unit No

    3

    Published value from supplied target entry

  • Grid to Plate

    2.6 pF

    Published value from supplied target entry

  • Grid to Cathode and Heater

    4.6 PF

    Published value from supplied target entry

  • Plate to Cathode and Heater

    0.65 PF

    Published value from supplied target entry

  • Grid to Plate

    1.7 pF

    Published value from supplied target entry