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Power - Beam Single (NOT sweep) (under 10W) ·BeamPower

6669

Beam-power output tube intended for audio-frequency power amplification and general power service, with ratings suited to demanding amplifier applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
7BZ
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 450 mA

Description

Industrial beam power output tube primarily for mobile communications equipment.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

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

7BZ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1Pin 1AG1 — Control GridVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN2Pin 2AG3 — Suppressor GridGroup BZ2Verified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN2Pin 2AK — CathodeGroup BZ2Verified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN3Pin 3—H — HeaterVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN4Pin 4—H — HeaterVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN5Pin 5AP — Plate (Anode)Verified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN6Pin 6AG2 — Screen GridVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN7Pin 7AG1 — Control GridVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
52000 Ω
Transconductance
0.0041 S
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
7 W
Max screen dissipation
2.5 W
Max cathode current
50 mA

Alias/co-designation of 6AQ5A;

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

Beam Power

Characteristic

  • Transconductance

    4900 µS

Other

  • Maximum Plate Voltage

    250 V

  • Maximum Screen Voltage

    250 V

  • Maximum Plate Dissipation

    12 W

  • Maximum Screen Dissipation

    2.5 W

  • Application

    Audio power amplifier

Data set 02

1960 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    450 mA

  • EquivalentType

    6AQ5A

    RenewalUse

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater current

    450 mA

    Nominal

Data set 04

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    450 mA

  • EquivalentElectricalType

    6AQ5A

Other

  • Plate Voltage

    250 V

    ClassA

  • Screen Voltage

    250 V

    ClassA

  • Plate Current

    45 mA

    ClassA

  • Load Resistance

    5000 ohm

    ClassA

  • Power Output

    4.5 W

    ClassA

Data set 05

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • 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

    1.25 V

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

  • PLATE VOLTAGE

    275 V

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

  • GRID 2 VOLTAGE

    275 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.

  • GRID 2 DISSIPATION

    2 W

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

  • WITH FIXED BIAS

    0.1 ohm

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

  • WITH CATHODE BIAS

    0.5 ohm

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

  • BULB TEMPERATURE AT HOTTEST POINT

    225

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

  • PLATE VOLTAGE

    250 V

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

  • GRID 2 VOLTAGE

    250 V

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

  • GRID 1 VOLTAGE

    12.5 V

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

  • PEAK AF GRID 1 VOLTAGE

    12.5 V

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

  • ZERO-SIGNAL PLATE CURRENT

    45 mA

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

  • ZERO-SIGNAL GRID 2 CURRENT

    4.5 mA

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

  • PLATE RESISTANCE,

    52000 ohm

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

  • TRANSCONDUCTANCE

    4100 uS

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

  • LOAD RESISTANCE

    5000 ohm

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

  • TOTAL HARMONIC DISTORTION,

    8 percent

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

  • GRID 1 VOLTAGE

    15 V

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

  • PEAK AF GRID TO GRID VOLTAGE

    30 V

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

  • ZERO-SIGNAL PLATE CURRENT

    70 mA

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

  • ZERO-SIGNAL GRID 2 CURRENT

    5 mA

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

Other

  • MAXIMUM-SIGNAL PLATE CURRENT

    47 mA

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

  • MAXIMUM-SIGNAL GRID 2 CURRENT

    7 mA

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

  • MAXIMUM-SIGNAL POWER OUTPUT

    4.5 W

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

  • MAXIMUM-SIGNAL PLATE CURRENT

    79 mA

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

Data set 06

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater voltage

    6.3 V

    Nominal

  • Heater current

    450 mA

    Nominal

  • Maximum plate voltage

    250 V

    Promoted published value

  • Maximum screen voltage

    250 V

    Promoted published value

  • Maximum plate dissipation

    12 W

    Promoted published value

  • Maximum screen dissipation

    2 W

    Promoted published value

  • PLATE VOLTAGE

    250 V

    Maximum Ratings, Design-Maximum Values:

  • GRID-No.2 (SCREEN-GRID) VOLTAGE

    250 V

    Maximum Ratings, Design-Maximum Values:

  • GRID-No.2 INPUT

    2 W

    Maximum Ratings, Design-Maximum Values:

  • PLATE DISSIPATION

    12 W

    Maximum Ratings, Design-Maximum Values:

  • Heater negative with respect to cathode.

    100 V

    Maximum Ratings, Design-Maximum Values:

  • Heater positive with respect tp cathode.

    100 V

    Maximum Ratings, Design-Maximum Values:

  • Heater Voltage

    6.3 V

    Typical Operation and Characteristics:

  • Plate Voltage

    250 V

    Typical Operation and Characteristics:

  • Grid-No.2 Voltage

    250 V

    Typical Operation and Characteristics:

  • Grid-No.l (Control-grid) Voltage

    -12.5 V

    Typical Operation and Characteristics:

  • Peak AF Grid-No.l Voltage

    12.5 V

    Typical Operation and Characteristics:

  • Zero-Signal Plate Current

    45 mA

    Typical Operation and Characteristics:

  • Max.-Signal Plate Current

    47 mA

    Typical Operation and Characteristics:

  • Zero-Signal Grid-No.2 Current

    4.5 mA

    Typical Operation and Characteristics:

  • Max.-Signal Grid-No.2 Current

    7 mA

    Typical Operation and Characteristics:

  • Plate Resistance (Approx )

    52000 ohm

    Typical Operation and Characteristics:

  • Load Resistance

    5000 ohm

    Typical Operation and Characteristics:

Characteristic

  • Plate resistance

    52000 ohm

    Promoted published value

  • Transconductance

    4100 uS

    Promoted published value

  • Voltage

    20 V

  • Current at

    0.45 V

Data set 07

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

  • Grid No.l to Plate

    0.4 pF

    Capacitance

  • Grid No.l to Cathode, Heater, Grid No.2, and Grid No.3

    8 pF

    Capacitance

  • Plate to Cathode, Heater, Grid No.2, and Grid No.3

    8.5 pF

    Capacitance

Other

  • Plate Voltage

    250 V

    MaximumRatings

  • Grid-No.2 (Screen-Grid) Voltage

    250 V

    MaximumRatings

  • Plate Dissipation

    12 W

    MaximumRatings

  • Grid-No.2 Input

    2 W

    MaximumRatings

  • Plate Voltage

    250 V

    TypicalOperation

  • Grid-No.2 Voltage

    250 V

    TypicalOperation

  • Grid-No.l (Control-Grid) Voltage

    -12.5 V

    TypicalOperation

  • Peak AF Grid-No.l Voltage

    12.5 V

    TypicalOperation

  • Zero-Signal Plate Current

    45 mA

    TypicalOperation

  • Max. -Signal Plate Current

    47 mA

    TypicalOperation

  • Zero-Signal Grid-No.2 Current

    4.5 mA

    TypicalOperation

  • Max. -Signal Grid-No.2 Current

    7 mA

    TypicalOperation

  • Plate Resistance (Approx. )

    52000 ohm

    TypicalOperation

  • Load Resistance

    5000 ohm

    TypicalOperation

  • Max. -Signal Power Output

    4.5 W

    TypicalOperation

  • For fixed-bias operation

    0.1 megohm

    MaximumCircuitValues

  • For cathode-bias operation

    0.5 megohm

    MaximumCircuitValues

  • Grid-No.2 Voltage

    250 V

    MaximumRatings

  • Grid-No.l (Control-Grid) Voltage

    -15 V

    MaximumRatings

  • Peak AF Grid-No. 1-to-Grid-No.l Voltage

    30 V

    MaximumRatings

  • Zero-Signal Plate Current

    70 mA

    MaximumRatings

  • Max. -Signal Plate Current

    79 mA

    MaximumRatings

  • Zero-Signal Grid-No.2 Current

    5 mA

    MaximumRatings

  • Max. -Signal Grid-No.2 Current

    13 mA

    MaximumRatings