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

Heptode ·Heptode

6BY6

Pentagrid gated-amplifier tube used in color television receivers as a combined sync separator and sync clipper, with dual-control grids for pulse processing.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
7CH
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 300 mA

Description

Pentagrid gated-amplifier tube used in color television receivers as a combined sync separator and sync clipper.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7CH
Socket code
B7G
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7CH - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1G1AG1 — Control Grid

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

PIN2G5AG5 — Fifth GridGroup 7CH2

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

PIN2KAK — CathodeGroup 7CH2

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

PIN3H—H — Heater

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

PIN4H—H — Heater

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

PIN5PAP — Plate (Anode)

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

PIN6G2AG2 — Screen GridGroup 7CH6

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

PIN6G4AG4 — Fourth GridGroup 7CH6

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

PIN7G3AG3 — Suppressor Grid

Chart transcription; independent manufacturer verification pending

Unverified

EIA Base Connections, printed page 128, 7CH

Section ratings

1 physical section, each with unique specifications.

Section 1

Heptode

X-ray radiationInterelectrode capacitances
Transconductance
0.0019 S
Max plate voltage
300 V
Max screen voltage
300 V
Max plate dissipation
2 W
Max screen dissipation
1 W
Max grid dissipation
0.1 W

Grid 1 transconductance promoted.

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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Heptode

Other

  • Maximum plate voltage

    300 V

    Published handbook rating

  • Maximum screen voltage

    150 V

    Published handbook rating

  • Plate voltage

    250 V

    ClassA

  • Screen voltage

    100 V

    ClassA

  • Control-grid bias

    2.5 V

    ClassA

  • Plate current

    6.5 mA

    ClassA

  • Screen current

    9 mA

    ClassA

Characteristic

  • Transconductance

    1900 µS

    Published handbook characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    300 mA

    Published heater rating

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Heptode

Other

  • Plate Voltage

    250 V

    Published operating/characteristic table

Characteristic

  • Plate Current

    6.5 mA

    Published operating/characteristic table

Data set 03

1966 Tung Sol Electronic Tubes 1 of 4

Published operating points and test conditions from this source.

SECTION 1

Heptode

Capacitance

  • Grid1-to-plate capacitance

    - to 0.08 pF

    Maximum

  • Grid3-to-plate capacitance

    - to 0.35 pF

    Maximum

  • Grid1-to-grid3 capacitance

    - to 0.22 pF

    Maximum

Other

  • Plate voltage

    250 V

    GatedAmplifier

  • Plate current

    6.5 mA

Characteristic

  • Grid3-to-plate transconductance

    500 uS

  • Grid1-to-plate transconductance

    2900 uS

Data set 04

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Heptode

Characteristic

  • Grid3 Transconductance

    500 uS

Other

  • Typical Plate Voltage

    250 V

    ClassA

  • Typical Screen Voltage

    100 V

    ClassA

Data set 05

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Heptode

Characteristics

  • Voltage

    63 V

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

  • Current

    3 A

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

  • and Heater

    5.4

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

  • and Heater

    6.9

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

  • and Heater

    7.6

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

  • Plate Voltage

    250 V

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

  • Grids-No.2-and-No.4 Voltage

    100 V

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

  • Grid-No.3 Voltage

    -2.5 V

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

  • Grid-No.l Voltage

    -2.5 V

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

  • Grid-No.3-to-Plate Transconductance

    500

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

  • Grid-No.l-to-Plate Transconductance

    1900

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

  • Plate Current

    6.5 mA

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

  • Grids-No.2-and-No.4 Current

    9 mA

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

  • current of 35 µamp and grid-No.l

    35 A

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

  • current of 35 µamp and grid-No.3

    35 A

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

  • Pin 1: Grid No.l — published value 1

    1

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

  • Pin 1: Grid No.l — published value 2

    5

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

  • Pin 2: Cathode, — published value 1

    2

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

  • Pin 2: Cathode, — published value 2

    6

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

  • Pin 3: Heater — published value 1

    3

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

  • Pin 3: Heater — published value 2

    7

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

  • Pin 4: Heater

    4

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

  • Plate Voltage

    10 V

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

  • Grid-No.3 Voltage

    0 V

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

  • Grids-No.2-and-No.4 Voltage

    25 V

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

  • Grid-No.l Voltage

    0 V

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

Other

  • Grid No.l to Plate

    0.08 mA

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

  • Grid No.3 to Plate

    0.35 mA

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

  • Grid No.l to Grid No.3

    0.15 mA

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

  • PLATE VOLTAGE

    300 V

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

  • GRIDS-No.2-and-No.4 SUPPLY VOLTAGE

    300 V

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

  • Negative Bias Value

    50 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.

  • Negative Bias Value

    100 V

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

  • PLATE DISSIPATION

    2 mA

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

  • GRIDS-No.2-and-No.4 INPUT

    1 mA

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

  • GRID-No.l INPUT

    0.1 mA

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

  • Heater negative with respect to cathode

    200 V

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

  • Heater positive with respect to cathode

    200 V

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

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Heptode

Other

  • Heater Voltage (ac/dc)

    6.3 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Heater Current

    300 mA

    Published in approved 6BY6 target datasheet entry; Section1

  • grid-No

    3 V

    Published in approved 6BY6 target datasheet entry; Section1

  • grid-No.3 volts = 0

    -12 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Plate Voltage

    330 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grids-No. 2-and-No.4 Supply Voltage

    330 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Negative-bias value

    55 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Positive-bias value

    0 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Positive peak value

    27 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.l Voltage, Negative bias value

    110 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Plate Dissipation

    2.3 W

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.3 Input

    0.1 W

    Published in approved 6BY6 target datasheet entry; Section1

  • For grids-No.2-and-No.4 voltages up to

    165 V

    Published in approved 6BY6 target datasheet entry; Section1

  • For grids-No.2-and-No.4 voltages up to 165 volts

    1.1 W

    Published in approved 6BY6 target datasheet entry; Section1

  • For grids-No.2-and-No.4 voltages between 165 and

    330 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.l Input

    0.1 W

    Published in approved 6BY6 target datasheet entry; Section1

Capacitance

  • Grid No. 1 to All Other Electrodes

    5.4 pF

    Published in approved 6BY6 target datasheet entry; Section1

  • Gr-d No.3 to AH Other Electrodes

    6.9 pF

    Published in approved 6BY6 target datasheet entry; Section1

  • Plate to AH Other Electrodes

    7.6 pF

    Published in approved 6BY6 target datasheet entry; Section1

Characteristic

  • Plate Voltage

    250 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.3 Voltage

    -100 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.3-to-Plate Transconductance

    500 µS

    Published in approved 6BY6 target datasheet entry; Section1

  • Plate Current

    6.5 mA

    Published in approved 6BY6 target datasheet entry; Section1

  • Grids-No. 2-and-No. 4 Current

    9 mA

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No

    3 V

    Published in approved 6BY6 target datasheet entry; Section1

  • grid-No

    1 V

    Published in approved 6BY6 target datasheet entry; Section1

  • grid-No. 1 volts =— 4

    15 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Plate Voltage

    10 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.3 Voltage

    0 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grids-No.2-and-No.4 Voltage

    25 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.l Voltage

    0 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Plate Current

    1.4 mA

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.3 Volts (Approx.) for plate voltage of

    25 V

    Published in approved 6BY6 target datasheet entry; Section1

  • and-No.4 voltage of

    25 V

    Published in approved 6BY6 target datasheet entry; Section1

  • and-No.4 voltage of 25 volts, grid-No.l voltage of

    0 V

    Published in approved 6BY6 target datasheet entry; Section1

  • plate current of 60 liA

    2.5 V

    Published in approved 6BY6 target datasheet entry; Section1

  • Grid-No.l Volts (Approx.) for plate voltage of

    25 V

    Published in approved 6BY6 target datasheet entry; Section1

  • and-No.4 voltage of 25 volts, grid-No.3 voltage of

    0 V

    Published in approved 6BY6 target datasheet entry; Section1

  • plate current of 50 #A

    2.3 V

    Published in approved 6BY6 target datasheet entry; Section1