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Voltage Pentode - Remote Cutoff (single) ·Pentode

6660

Remote- or semi-remote-cutoff pentode designed for RF, IF, variable-mu, or controlled-gain amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B7G
Base pins: 7
Nominal heater: 6.3 V / 300 mA

Description

Remote-cutoff miniature pentode for wide-band high-frequency amplification in mobile communications equipment. Electrical ratings, characteristics, operating data, and special environmental information were extracted from the supplied source.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
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

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 1000000 Ω
Transconductance: 0.0044 S
Max plate voltage: 330 V
Max screen voltage: 150 V
Max plate dissipation: 3.3 W
Max screen dissipation: 0.75 W
Max cathode current: 25 mA

Alias/co-designation of 6BA6;

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

Pentode

Characteristic

Plate Resistance
1000000 ohm
Transconductance
4400 µS

Other

Maximum Plate Voltage
330 V
Maximum Screen Voltage
330 V
Maximum Plate Dissipation
3.3 W
Maximum Screen Dissipation
0.65 W

Data set 02

1960 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Heater Voltage
6.3 V
Heater Current
150 mA
EquivalentType
6BA6
RenewalUse

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heater voltage
6.3 V
Nominal
Heater current
300 mA
Nominal
Plate voltage
330 V
Published operating table; OperatingPoint1
Plate voltage
100 V
Published operating table; OperatingPoint1
Plate voltage
250 V
Published operating table; OperatingPoint2
Screen voltage
100 V
Published operating table; OperatingPoint1
Screen voltage
100 V
Published operating table; OperatingPoint2

Characteristic

Plate current
10.8 mA
Published operating table; OperatingPoint1
Plate current
1 mA
Published operating table; OperatingPoint2
Transconductance
4300 uS
Published operating table; OperatingPoint1
Transconductance
4400 uS
Published operating table; OperatingPoint2

Data set 04

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Heater Voltage
6.3 V
Heater Current
150 mA
EquivalentElectricalType
6BA6
Grid1ToPlateCapacitanceMaximum
0.035 pF
Input Capacitance
5.5 pF
Output Capacitance
5 pF
Transconductance
4400 uS

Other

Plate Voltage
250 V
ClassA
Screen Voltage
100 V
ClassA

Data set 05

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

VOLTAGE OPERATION — published value 1
6.3 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
VOLTAGE OPERATION — published value 2
1.3 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE VOLTAGE
330 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
GRID 2 SUPPLY VOLTAGE
330 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
POSITIVE DC GRID 1 VOLTAGE
0 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
NEGATIVE DC GRID 1 VOLTAGE
55 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE DISSIPATION
3.3 W
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
GRID2 DISSIPATION
0.65 W
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE VOLTAGE — published value 1
100 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE VOLTAGE — published value 2
250 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
GRiD 3 VOLTAGE — published value 1
0 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
GRiD 3 VOLTAGE — published value 2
0 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
GRID 2 VOLTAGE — published value 1
100 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
GRID 2 VOLTAGE — published value 2
100 V
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
CATHODE-BIAS RESISTOR — published value 1
68 ohm
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
CATHODE-BIAS RESISTOR — published value 2
68 ohm
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE CURRENT — published value 1
10.8 mA
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE CURRENT — published value 2
11 mA
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
GRID 2 CURRENT — published value 1
4.4 mA
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
GRID 2 CURRENT — published value 2
4.2 mA
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE RESISTANCE, APPROXIMATE — published value 1
0.25 ohm
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE RESISTANCE, APPROXIMATE — published value 2
1 ohm
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
PLATE RESISTANCE, APPROXIMATE — published value 3
0 ohm
Published datasheet table value; multiple values on a source row represent separate limits or operating conditions.
Plate resistance
1000000 ohm
Promoted section value from the supplied datasheet.

Other

Maximum plate voltage
330 V
Promoted section value from the supplied datasheet.
Maximum plate dissipation
3.3 W
Promoted section value from the supplied datasheet.

Data set 06

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heater voltage
6.3 V
Nominal
Heater current
300 mA
Nominal
Maximum plate voltage
330 V
Promoted published value
Maximum screen voltage
330 V
Promoted published value
Maximum plate dissipation
3.3 W
Promoted published value
Maximum screen dissipation
0.65 W
Promoted published value
Grid No.1 to plate
0.0035 mA
Direct Interelectrode Capacitances:
Heater Voltage
6.3 V
Characteristics, Claaa A I A~plifisr:
PLATE VOLTAGE. . .
330 V
Maximum Ratings, Design-Maximum Values:
VOLTAGE
330 V
Maximum Ratings, Design-Maximum Values:
GRID-No.2 VOLTAGE See Grid-No.a Inyvt Rating Chart
2 V
Maximum Ratings, Design-Maximum Values:
For grid-No.2 voltages up
2 V
Maximum Ratings, Design-Maximum Values:
For grid-No.2 voltages be
2 V
Maximum Ratings, Design-Maximum Values:
tween
330 V
Maximum Ratings, Design-Maximum Values:
PLATE DISSIPATION
3.3 W
Maximum Ratings, Design-Maximum Values:
cathode ~
100 V
Maximum Ratings, Design-Maximum Values:
cathode
100 V
Maximum Ratings, Design-Maximum Values:
much as
35 V
Maximum Ratings, Design-Maximum Values:
volts =
7.5 V
Maximum Ratings, Design-Maximum Values:
135 volts positive with respect to cathode, and ai l other
135 V
Maximum Ratings, Design-Maximum Values:
With heater volts =
3 V
Maximum Ratings, Design-Maximum Values:
connected to cathode at socket, grid-No.2 supply volts =
2 V
Maximum Ratings, Design-Maximum Values:
100, and cathode resistor lohmsl bypassed =
68 ohm
Maximum Ratings, Design-Maximum Values:

Characteristic

Plate resistance
1000000 ohm
Promoted published value
Transconductance
4400 uS
Promoted published value
Voltage
20 V
Current at
0.3 V
Plate Supply Voltage
250 V
Characteristics, Claaa A I A~plifisr:
Grid-~,No.2 Supply Voltage
100 V
Characteristics, Claaa A I A~plifisr:
Cathode Resistor
68 ohm
Characteristics, Claaa A I A~plifisr:
Plate Resistance (Approx )
1 megohm
Characteristics, Claaa A I A~plifisr:
Transconductance
4400 uS
Characteristics, Claaa A I A~plifisr:
Plate Current
11 mA
Characteristics, Claaa A I A~plifisr:
Grid-No.2 Current
4.2 mA
Characteristics, Claaa A I A~plifisr:
transconductance = d0 µmhos
-20 V
Characteristics, Claaa A I A~plifisr: