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Voltage - Triode (with diode, heptode or hexode) ·Diode-Diode-Triode

6CN7

Double-diode high-mu triode for detector, discriminator, control-voltage, and voltage-amplifier service. Paired diodes provide complementary rectification while the triode supplies substantial subsequent gain.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
3
Base
9EF
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 300 mA

Description

Miniature type used as combined horizontal phase de- OLIM/ ®y372 -MK© ZvfL-, ^JJiET tector and reactance tube in color and black-and-white pd,(£a\/J^^AS)p t television receivers. The triode unit is used in sync- p°2 0-^0HM separator, sync-amplifier, or audio amplifier circuits.

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
9EF
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
3.15 V
Parallel heater current
600 mA
Series capable
Yes

9EF - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1Base PinBP — Plate (Anode)

Original chart label: 2P; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EF

PIN3Base PinBG1 — Control Grid

Original chart label: 2G1; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EF

PIN4Base Pin—H — Heater

Original chart label: H; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EF

PIN5Base Pin—H — Heater

Original chart label: H; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EF

PIN6Base PinAP — Plate (Anode)

Original chart label: 1P; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EF

PIN7Base PinAG1 — Control Grid

Original chart label: 1G1; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EF

PIN8Base PinAK — Cathode

Original chart label: 1K; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EF

PIN9Base PinBK — Cathode

Original chart label: 2K; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EF

Section ratings

3 physical sections, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances
Max cathode current
20 mA

Representative of two identical diode sections; 5 mA continuous current rating retained as parameter.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
58000 Ω
Transconductance
0.0012 S
Amplification factor
70
Max plate voltage
300 V
Max plate dissipation
1 W

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

Section 3

Diode

X-ray radiationInterelectrode capacitances
Max cathode current
5 mA

Detector diode #2; maximum continuous diode current 5 mA.

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

1965 Westinghouse Data Book

Published operating points and test conditions from this source.

SECTION 1

Diode

Characteristics

  • Heater Voltage Series

    6.3 V

  • Heater Current Series

    300 mA

  • Heater Voltage Parallel

    3.15 V

  • Heater Current Parallel

    600 mA

  • Diode Plate-Cathode Capacitance

    3.6 pF

    EachDiode

SECTION 2

Triode

Other

  • Maximum Plate Voltage

    330 V

  • Maximum Plate Dissipation

    1.1 W

Characteristics

  • Grid-Plate Capacitance

    1.8 pF

  • Input Capacitance

    1.5 pF

  • Output Capacitance

    0.5 pF

Data set 02

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Maximum continuous diode current

    5 mA

Capacitance

  • Plate-to-cathode-and-heater capacitance

    3.6 pF

SECTION 2

Triode

Other

  • Plate voltage

    100 V

    ClassA

  • Grid voltage

    -1 V

    ClassA

  • Plate voltage

    250 V

    ClassA

  • Grid voltage

    -3 V

    ClassA

  • Heater warm-up time

    11 s

Characteristic

  • Plate current

    0.8 mA

    ClassA

  • Plate current

    1.6 mA

    ClassA

Capacitance

  • Grid-to-plate capacitance

    1.8 pF

  • Input capacitance

    1.5 pF

  • Output capacitance

    0.5 pF

SECTION 3

Diode

Other

  • Maximum continuous diode current

    5 mA

Capacitance

  • Plate-to-cathode-and-heater capacitance

    3.6 pF

Data set 03

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

  • Heater Voltage Series

    6.3 V

    Series

  • Heater Current Series

    300 mA

    Series

  • Heater Voltage Parallel

    3.15 V

    Parallel

  • Heater Current Parallel

    600 mA

    Parallel

  • MaximumContinuousDiodeCurrentEach

    5 mA

    EachDiode

Characteristic

  • Average Diode Current At5 V

    20 mA

    EachDiode;PlateVoltage=5V

SECTION 2

Triode

Characteristic

  • Plate Resistance

    58000 Ohm

  • Transconductance

    1200 uS

  • Amplification Factor

    70

Data set 04

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 2

Triode

Characteristics

  • Current — published value 1

    40 mA

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

  • Current — published value 2

    300 mA

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

  • Current — published value 3

    20 mA

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

  • Current — published value 4

    300 mA

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

  • Grid to plate

    1.8 pF

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

  • Grid to cathode and heater

    1.5 pF

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

  • Plate to cathode and heater

    0.5 pF

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

  • and No.2 & internal shield, and heater

    3.6 pF

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

  • and No.2 6 internal shield, and heater — published value 1

    6 pF

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

  • and No.2 6 internal shield, and heater — published value 2

    3.6 pF

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

  • Triode grid to either diode plate — published value 1

    0 pF

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

  • Triode grid to either diode plate — published value 2

    6 pF

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

  • Plate Voltage — published value 1

    100 V

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

  • Plate Voltage — published value 2

    250 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

    3 V

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

  • Plate Resistance (Approx ) — published value 1

    54000 ohm

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

  • Plate Resistance (Approx ) — published value 2

    58000 ohm

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

  • Transconductance — published value 1

    1300

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

  • Transconductance — published value 2

    1200

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

  • Plate Current — published value 1

    0.8 mA

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

  • Plate Current — published value 2

    1 mA

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

  • Pin 1 -Diode-No.2 — published value 1

    1

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

  • Pin 1 -Diode-No.2 — published value 2

    4

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

  • Plate

    5

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

  • Pin 3 -Cathode of — published value 1

    3

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

  • Pin 3 -Cathode of — published value 2

    7

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

  • Diodes No.1

    8

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

  • & No.2,

    9

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

  • Plate Current for plate volts = 5 — published value 1

    5 V

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

  • Plate Current for plate volts = 5 — published value 2

    20 V

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

  • heater amperes = 0.600

    600 mA

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

  • heater amperes = 0.3D0

    300 mA

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

Other

  • respect to cathode

    200 V

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

  • respect to cathode

    200 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 V

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

  • PLATE DISSIPATION — published value 1

    1 mA

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

  • PLATE DISSIPATION — published value 2

    1 mA

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

  • PLATE CURRENT — published value 1

    5 mA

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

  • PLATE CURRENT — published value 2

    5 mA

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

Data set 05

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Diode

Capacitance

  • Grid to Plate

    1.8 pF

    Published datasheet value

  • Grid to Cathode and Heater

    1.5 pF

    Published datasheet value

  • Plate to Cathode and Heater

    0.5 pF

    Published datasheet value

  • Diode-No.l Plate to Cathode of Diodes No.l and No

    2

    Published datasheet value

  • Diode-No

    2

    Published datasheet value

  • Triode Grid to Either Diode Plate

    0.006 pF

    Published datasheet value

Characteristic

  • Plate Voltage

    330 volts

    Published datasheet value

  • Grid Voltage, Positive-bias value

    0 volts

    Published datasheet value

  • Plate Dissipation

    1.1 watt

    Published datasheet value

  • Plate Voltage

    250 volts

    Published datasheet value

  • Plate Resistance (Approx.)

    58000 ohms

    Published datasheet value

  • Transconductance

    1200

    Published datasheet value

  • Plate Current

    1 mA

    Published datasheet value

  • Plate Current (Each Unit)

    5.5

    Published datasheet value