Data set 01
1958 Brimar Radio Valve No 7
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristic
Heater Voltage
6.3 V
Heater Current
300 mA
Voltage - Triode (with diode, heptode or hexode) ·Diode-Diode-Triode
6AV6
Double-diode very-high-mu triode widely used for radio detector, AVC, and first audio-amplifier service. Its paired diodes perform signal and control-voltage rectification while the triode provides substantial voltage gain.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 3
- Base
- 7BT
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 300 mA
Description
Combined dual-diode and triode tube intended for detector and audio-frequency amplifier service.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7BT
- 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
7BT - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN11G1 | A | G1 — Control Grid EIA source label 1G1; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BT |
| PIN2K | A | K — Cathode EIA source label K; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BT |
| PIN3H | — | H — Heater EIA source label H; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BT |
| PIN4H | — | H — Heater EIA source label H; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BT |
| PIN52P | B | P — Plate (Anode) EIA source label 2P; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BT |
| PIN63P | C | P — Plate (Anode) EIA source label 3P; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BT |
| PIN71P | A | P — Plate (Anode) EIA source label 1P; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BT |
Section ratings
3 physical sections, each with unique specifications.
Section 1
Diode
X-ray radiationInterelectrode capacitances
- Max cathode current
- 1 mA
Promoted from published ratings/characteristics; identical repeated sections compressed where applicable.
Section 2
Diode
X-ray radiationInterelectrode capacitances
- Max cathode current
- 1 mA
Promoted from published ratings/characteristics; identical repeated sections compressed where applicable.
Section 3
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 62500 Ω
- Transconductance
- 0.0016 S
- Amplification factor
- 100
- Max plate voltage
- 300 V
- Max plate dissipation
- 0.5 W
- Rectifier max heater-cathode voltage
- 90 V
Promoted from published ratings/characteristics; 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 02
195X General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 2
Diode
Other
Plate voltage
250 V
ClassA
Control-grid voltage
-2 V
ClassA
Plate current
1.2 mA
ClassA
Characteristic
Plate resistance
62500 Ω
ClassA
Transconductance
1600 µS
ClassA
Amplification factor
100
ClassA
SECTION 3
Triode
Other
Plate voltage
250 V
ClassA
Control-grid voltage
-2 V
ClassA
Plate current
1.2 mA
ClassA
Characteristic
Plate resistance
62500 Ω
ClassA
Transconductance
1600 µS
ClassA
Amplification factor
100
ClassA
Data set 03
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Heater voltage
6.3 V
Heater current
300 mA
SECTION 2
Diode
Other
Heater voltage
6.3 V
Heater current
300 mA
SECTION 3
Triode
Other
Heater voltage
6.3 V
Heater current
300 mA
Plate current
0.5 mA
Typical operating conditions
Data set 04
1963 Amperex Condensed
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Plate voltage
250 V
Published table
Control-grid bias
-2 V
Published table
Plate current
1.2 mA
Published table
Characteristic
Transconductance
1600 µS
Published table
Amplification factor
100
Published table
Plate resistance
62500 ohm
Published table
Heater voltage
6.3 V
Published heater rating
Heater current
300 mA
Published heater rating
Data set 05
1965 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristics
Heater voltage
6.3 V
Heater current
300 mA
Other
Maximum DC diode current
1 mA
SECTION 2
Diode
Characteristics
Heater voltage
6.3 V
Heater current
300 mA
Other
Maximum DC diode current
1 mA
SECTION 3
Triode
Characteristics
Heater voltage
6.3 V
Heater current
300 mA
Amplification factor
100
Plate resistance
62500 ohm
Transconductance
1600 uS
Other
Maximum plate voltage
330 V
Maximum plate dissipation
0.55 W
Typical plate voltage
250 V
Typical grid voltage
-2 V
Plate current
1.2 mA
Capacitance
Grid-to-plate capacitance
2 pF
Input capacitance
2.2 pF
Output capacitance
0.8 pF
Data set 06
1966 Tung Sol Electronic Tubes 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristic
Heater voltage
6.3 V
Published table
Heater current
300 mA
Published table
Triode plate resistance
62500 ohm
TriodeSection
Triode transconductance
1600 µS
TriodeSection
Triode amplification factor
100
TriodeSection
Other
Triode plate voltage
250 V
TriodeSection
Triode grid voltage
-2 V
TriodeSection
Triode plate current
1.2 mA
TriodeSection
Average diode current
2 mA
EachDiode At10VDC
Data set 07
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Continuous Diode Current
1 mA
EachDiode
Data set 08
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Heater voltage …....…ceoseeeserenenensmnnsnnnns VÊ
6.3 V
Heater current ... .…..…ceererescessecseensnn IË
300 mA
Tension d'ANOd@ | ..…osscersreneasecenmencemensassrroseseses VA
300 V
Tension de grille … Ve
0 V
Plate dissipation….……… … . Pa
0.5 W
Tension entre f11ament et cathode Vfk
90 V
Plate current (par diod@).....…...…...eeerseeeee TB
1 mA
Tension d'Anod@ .....….…reeeeeenenennsesnsenennnnnnnsns V 100
250 V
Tension de grille …… » VE -1
-2 V
Plate resistance.… - p 80
62.5 kΩ
Transconductance . .S 1,25
1.6 mA/V
Courant dan0de … Ia 0,5
1.2 mA
Characteristic
Capacitance grille/anode ……s CG/à
2 pF
InterelectrodeCapacitance
Capacitance grille/ cathode, filament …… Cg/Kkf
2.2 pF
InterelectrodeCapacitance
Capacitance anode/ cathode, filament …… Ca/ kf
0.8 pF
InterelectrodeCapacitance
Capacitance anode Diode n° 2/ grille Triode …… CaD,/ gT
0.04 pF
InterelectrodeCapacitance
Data set 09
1971 RCA HB3 Binder 4 of 7
Published operating points and test conditions from this source.
SECTION 1
Diode
Other
Heater voltage nominal
6.3 V
Heater current
300 mA
Maximum plate current
1 mA
Characteristics
Plate current at 10 V
2 mA
SECTION 2
Diode
Other
Heater voltage nominal
6.3 V
Heater current
300 mA
Maximum plate current
1 mA
Characteristics
Plate current at 10 V
2 mA
SECTION 3
Triode
Other
Heater voltage nominal
6.3 V
Heater current
300 mA
Maximum plate voltage
330 V
ClassA1
Maximum plate dissipation
0.55 W
ClassA1
Characteristics
Plate voltage
250 V
ClassA1
Amplification factor
100
ClassA1
Plate resistance
62500 ohm
ClassA1
Transconductance
1600 µS
ClassA1
Plate current
1.2 mA
ClassA1
Data set 10
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 2
Diode
Other
Heater Voltage (ac/dc) 4.2 6.3
12.6 V
Published in approved 6AV6 target entry; Section2
Heater Current 0.45 0.3
150 mA
Published in approved 6AV6 target entry; Section2
Capacitance
Triode Grid to Triode Plate
2 pF
Published in approved 6AV6 target entry; Section2
Triode Grid to Cathode and Heater
2.2 pF
Published in approved 6AV6 target entry; Section2
This value is
1.2 pF
Published in approved 6AV6 target entry; Section2
Plate Voltage
330 V
Published in approved 6AV6 target entry; Section2
Grid Voltage, Positive-bias value
0 V
Published in approved 6AV6 target entry; Section2
Plate Dissipation
0.55 W
Published in approved 6AV6 target entry; Section2
Characteristic
Plate Voltage 100
250 V
Published in approved 6AV6 target entry; Section2
— 1
-2 V
Published in approved 6AV6 target entry; Section2
Plate Resistance 80000
62500 Ω
Published in approved 6AV6 target entry; Section2
Plate Current 0.50
1.2 mA
Published in approved 6AV6 target entry; Section2
Plate Current (Each Unit)
1 mA
Published in approved 6AV6 target entry; Section2
SECTION 3
Triode
Other
Heater Voltage (ac/dc) 4.2 6.3
12.6 V
Published in approved 6AV6 target entry; Section1
Heater Current 0.45 0.3
150 mA
Published in approved 6AV6 target entry; Section1
Capacitance
Triode Grid to Triode Plate
2 pF
Published in approved 6AV6 target entry; Section1
Triode Grid to Cathode and Heater
2.2 pF
Published in approved 6AV6 target entry; Section1
This value is
1.2 pF
Published in approved 6AV6 target entry; Section1
Plate Voltage
330 V
Published in approved 6AV6 target entry; Section1
Grid Voltage, Positive-bias value
0 V
Published in approved 6AV6 target entry; Section1
Plate Dissipation
0.55 W
Published in approved 6AV6 target entry; Section1
Characteristic
Plate Voltage 100
250 V
Published in approved 6AV6 target entry; Section1
— 1
-2 V
Published in approved 6AV6 target entry; Section1
Plate Resistance 80000
62500 Ω
Published in approved 6AV6 target entry; Section1
Plate Current 0.50
1.2 mA
Published in approved 6AV6 target entry; Section1
Plate Current (Each Unit)
1 mA
Published in approved 6AV6 target entry; Section1