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Voltage - Triode (single high frequency) ·Triode

6AB4

High-frequency triode for UHF/VHF amplification, mixing, or oscillator service in television, FM, communications, or specialized RF equipment.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: E7-1
Socket code: B7G
Base pins: 7
Nominal heater: 6.3 V / 150 mA

Description

High-mu triode for cathode-drive amplification, frequency conversion, or oscillation to 300 MHz in television and FM receivers.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: E7-1
Socket code: B7G
Base pins: 7
Nominal heater voltage: 6.3 V
Nominal heater current: 150 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

E7-1 - 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

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 10900 Ω
Transconductance: 0.0055 S
Amplification factor: 60
Max plate voltage: 330 V
Max plate dissipation: 2.9 W
Max cathode current: 12 mA

Published promoted fields populated from the datasheet; identical repeated sections compressed where applicable.

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

Triode

Other

Maximum plate voltage
300 V
Published handbook rating
Plate voltage
250 V
ClassA
Control-grid bias
0 V
ClassA
Plate current
10 mA
ClassA

Characteristic

Plate resistance
10900 ohm
Published handbook characteristic
Transconductance
5500 µS
Published handbook characteristic
Amplification factor
60
Published handbook characteristic
Heater/filament voltage
6.3 V
Published heater/filament rating
Heater/filament current
150 mA
Published heater/filament rating

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Plate Voltage
250 V
Typical

Characteristic

Plate Current
10 mA
Typical

Data set 03

1966 Tung Sol Electronic Tubes 1 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

Grid-to-plate capacitance
1.5 pF
Section1
Input capacitance
2.2 pF
Section1
Output capacitance
1.4 pF
WithShield
Heater-to-cathode capacitance
2.9 pF
Section1

Other

Plate voltage
100 V
ClassA
Cathode resistor
270 Ω
ClassA
Plate current
3.7 mA
ClassA
Plate voltage
250 V
ClassA
Cathode resistor
200 Ω
ClassA
Plate current
10 mA
ClassA
Application
High-frequency oscillator, mixer, grounded-grid RF amplifier below about 300 MHz
Section1

Characteristic

Plate resistance
15000 Ω
100VPlate
Transconductance
4000 µS
100VPlate
Amplification factor
60
Section1
Plate resistance
10900 Ω
250VPlate
Transconductance
5500 µS
250VPlate

Data set 04

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

HeaterOrFilamentVoltageNominal
6.3 V
HeaterOrFilamentCurrentNominal
150 mA
Maximum Plate Voltage
300 V
Maximum Plate Dissipation
2.5 W
Typical Plate Voltage
250 V
ClassA
Typical Plate Current
10 mA
ClassA

Characteristic

Plate Resistance
10900 Ohm
Transconductance
5500 uS
Amplification Factor
60

Capacitance

Grid To Plate Capacitance
1.5 pF
Input Capacitance
2.2 pF
OutputCapacitanceWithShield
1.4 pF

Data set 05

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater voltage
6.3 V
Nominal
Heater current
150 mA
Nominal
Maximum plate voltage
330 V
Promoted published value
Maximum plate dissipation
2.9 W
Promoted published value
/^~ Voltage (AC or DC)
6.3 V
Heater Characteristics and Ratings (Absolute-Maximum Valuesl:
Current at heater volts =
150 V
Heater Characteristics and Ratings (Absolute-Maximum Valuesl:
respect to cathode
100 V
Heater Characteristics and Ratings (Absolute-Maximum Valuesl:
PLATE VOLTAGE
330 V
Maximum Ratings, Absolute -Maximum Values:
PLATE DISSIPATION
2.9 W
Maximum Ratings, Absolute -Maximum Values:
to voltage variations as great as t
20 V
Maximum Ratings, Absolute -Maximum Values:
With heater volts =
250 V
Maximum Ratings, Absolute -Maximum Values:
cathode resistor (ohms) bypassed =
200 ohm
Maximum Ratings, Absolute -Maximum Values:

Characteristic

Plate resistance
10900 ohm
Promoted published value
Transconductance
5500 uS
Promoted published value
Amplification factor
60
Promoted published value
Plate Supply Voltage
250 V
Characteristics, Clasa A I ,Ampl ifier:
Cathode Resistor
200 ohm
Characteristics, Clasa A I ,Ampl ifier:
Plate Resistance (Approx )
10900 ohm
Characteristics, Clasa A I ,Ampl ifier:
Transconductance
5500 uS
Characteristics, Clasa A I ,Ampl ifier:
Plate Current
10 mA
Characteristics, Clasa A I ,Ampl ifier:
r ' for plate µa =
-12 V
Characteristics, Clasa A I ,Ampl ifier:

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater Voltage
6.3 V
PublishedNominal
Heater Current
150 mA
PublishedNominal
Maximum Ratings / Characteristics
See type 12AT7
ReferenceEquivalenceSheet