Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Service
Mixer
PentodeSection
SECTION 2
Triode
Other
Service
Oscillator
TriodeSection
Voltage Radio Detector Converter ·Pentode-Triode
6FG7
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in VHF television receivers.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 9GF
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 450 mA
Description
Medium-mu triode plus sharp-cutoff pentode used as a combined oscillator and mixer in VHF television receivers.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 9GF
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9GF - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1Base Pin | B | G1 — Control Grid Literal label 2G1; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN2Base Pin | B | P — Plate (Anode) Literal label 2P; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN3Base Pin | A | G3 — Suppressor GridGroup 9GF3 Literal label 1G3; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN3Base Pin | — | K — CathodeGroup 9GF3 Literal label K; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN4Base Pin | — | H — Heater Literal label H; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN5Base Pin | — | H — Heater Literal label H; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN6Base Pin | A | P — Plate (Anode) Literal label 1P; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN7Base Pin | A | G2 — Screen Grid Literal label 1G2; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN8Base Pin | A | G3 — Suppressor GridGroup 9GF8 Literal label 1G3; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN8Base Pin | — | K — CathodeGroup 9GF8 Literal label K; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
| PIN9Base Pin | A | G1 — Control Grid Literal label 1G1; manufacturer confirmation pending | Unverified EIA Base Connections printed p132, 9GF |
Section ratings
2 physical sections, each with unique specifications.
Section 1
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 180000 Ω
- Transconductance
- 0.0074 S
- Max plate voltage
- 330 V
- Max screen voltage
- 150 V
- Max plate dissipation
- 3 W
- Max screen dissipation
- 0.55 W
Pentode section; promoted characteristic uses first published average operating column.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 5700 Ω
- Transconductance
- 0.0075 S
- Amplification factor
- 43
- Max plate voltage
- 330 V
- Max plate dissipation
- 2.5 W
Triode section.
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
1965 Westinghouse Data Book
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Pentode typical grid2 voltage
125 V
Grid2 input maximum
0.55 W
Characteristics
Pentode transconductance
6400 uS
Application
Application
Mixer / RF-IF amplifier
SECTION 2
Triode
Other
Triode typical plate voltage
125 V
Heater-cathode voltage maximum
200 V
Characteristics
Triode amplification factor
40
Triode transconductance
7400 uS
Application
Application
VHF oscillator
Data set 03
1966 Tung Sol Electronic Tubes 2 of 4
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Plate_voltage
125 V
ClassA
Screen_voltage
125 V
ClassA
Grid_1_voltage
-1 V
ClassA
Characteristic
Plate_current
11 mA
ClassA
Screen_current
4 mA
ClassA
SECTION 2
Triode
Other
Plate_voltage
125 V
ClassA
Grid_1_voltage
-1 V
ClassA
Heater_warmup_time
11 s
ClassA
Characteristic
Plate_current
13 mA
ClassA
Data set 04
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Plate Voltage
100 V
PentodeSection
Screen Voltage
100 V
PentodeSection
SECTION 2
Triode
Characteristic
Plate Voltage
125 V
TriodeSection
Plate Current
13 mA
TriodeSection
Data set 05
1971 RCA HB3 Binder 4 of 7
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Plate voltage
100 V
ClassA
Maximum plate voltage
330 V
Maximum screen-grid voltage
330 V
Characteristics
Pin 1 -Triode Grid — published value 1
1
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Pin 1 -Triode Grid — published value 2
7
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Pin 6 -Pentode Plate — published value 1
6
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Pin 6 -Pentode Plate — published value 2
9
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
SECTION 2
Triode
Other
Plate voltage
100 V
ClassA
Maximum plate voltage
330 V
respect to cathode
200 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
respect to cathode
200 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid No.l to plate — published value 1
0 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid No.l to plate — published value 2
2 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid No.l to plate — published value 3
0.01 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
PLATE VOLTAGE — published value 1
330 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
PLATE VOLTAGE — published value 2
330 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
SUPPLY VOLTAGE
330 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Positive-bias value — published value 1
0 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Positive-bias value — published value 2
0 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
PLATE DISSIPATION — published value 1
2 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
PLATE DISSIPATION — published value 2
5 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
PLATE DISSIPATION — published value 3
3 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Characteristics
Amplification factor
17
ClassA
Voltage (AC or DC) — published value 1
6.3 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Voltage (AC or DC) — published value 2
6.3 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Voltage (AC or DC) — published value 3
0.6 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Current — published value 1
0 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Current — published value 2
450 A
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Current — published value 3
30 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Current — published value 4
450 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid to plate — published value 1
1.8
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid to plate — published value 2
1.8
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
grid No.3, and heater — published value 1
3
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
grid No.3, and heater — published value 2
3
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
grid No.3, and heater — published value 1
1.3
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
grid No.3, and heater — published value 2
1.9
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
and heater — published value 1
5
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
and heater — published value 2
5
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
and heater — published value 1
2.4
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
and heater — published value 2
3.4
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
grid No 3 — published value 1
3
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
grid No 3 — published value 2
6
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
grid No 3 — published value 3
6
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Plate Voltage — published value 1
125 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Plate Voltage — published value 2
100 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Plate Voltage — published value 3
125 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid-No.2 Voltage — published value 1
100 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid-No.2 Voltage — published value 2
125 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid-No.l Voltage — published value 1
-1 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid-No.l Voltage — published value 2
0 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid-No.l Voltage — published value 3
-1 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Amplification Factor
43 A
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Plate Resistance (Approx.) — published value 1
5700 ohm
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Plate Resistance (Approx.) — published value 2
180000 ohm
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Transconductance — published value 1
7500
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Transconductance — published value 2
7400
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Transconductance — published value 3
6000
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Plate Current — published value 1
13 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Plate Current — published value 2
11 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Grid-No.2 Current
4 mA
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
for plate µa = 30 — published value 1
30 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
for plate µa = 30 — published value 2
-6.5 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
for plate µa = 30 — published value 3
-7.5 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Pin 2 -Triode Plate
2
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Pin 3-Cathode — published value 1
3
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Pin 3-Cathode — published value 2
8
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Pin 4 -Heater
4
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Pin 5-Heater
5
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
between 165 and 330 volts — published value 1
165 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
between 165 and 330 volts — published value 2
330 V
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
A With external Shield JEDEC No.315 connected to cathode except
95
Published datasheet value; multiple numbers on one source row represent separate limits or operating conditions.
Data set 06
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Heater Voltage (ac/dc) 4.7
6.3 V
Published in approved 6FG7 target entry; Section2
Heater Current 0.6
450 mA
Published in approved 6FG7 target entry; Section2
Heater Warm-up Time (Average) 11
11 seconds
Published in approved 6FG7 target entry; Section2
Plate Voltage 330
330 V
Published in approved 6FG7 target entry; Section2
Grid-No.2 (Screen-Grid) Supply Voltage
330 V
Published in approved 6FG7 target entry; Section2
Grid-No.l (Control-Grid) Voltage, Positive-bias value 0
0 V
Published in approved 6FG7 target entry; Section2
Plate Dissipation 2.5
3 W
Published in approved 6FG7 target entry; Section2
For grid-No.2 voltages up to
165 V
Published in approved 6FG7 target entry; Section2
For grid-No.2 voltages between 165 and
330 V
Published in approved 6FG7 target entry; Section2
For grid-No.2 voltages between 165 and 330 volts
0.55 W
Published in approved 6FG7 target entry; Section2
Plate Voltage 125 100
125 V
Published in approved 6FG7 target entry; Section2
Grid-No.2 Voltage 100
125 V
Published in approved 6FG7 target entry; Section2
Grid-No.l Voltage —1 0
-1 V
Published in approved 6FG7 target entry; Section2
Capacitance
Grid to Plate 1.8
1.8 pF
Published in approved 6FG7 target entry; Section2
Grid to Cathode, Pentode Grid No.3, and Heater 3
3 pF
Published in approved 6FG7 target entry; Section2
Plate to Cathode, Pentode Grid No.3, and Heater 1.3
1.9 pF
Published in approved 6FG7 target entry; Section2
and Heater 2.4
3.4 pF
Published in approved 6FG7 target entry; Section2
Characteristic
Plate Resistance (Approx.) 5700
180000 Ω
Published in approved 6FG7 target entry; Section2
Transconductance 7500 7400
6000 µS
Published in approved 6FG7 target entry; Section2
Grid-No.2 Current — 11
4 mA
Published in approved 6FG7 target entry; Section2
of 30 n& —6.6 —
-7.5 V
Published in approved 6FG7 target entry; Section2
SECTION 2
Triode
Other
Heater Voltage (ac/dc) 4.7
6.3 V
Published in approved 6FG7 target entry; Section1
Heater Current 0.6
450 mA
Published in approved 6FG7 target entry; Section1
Heater Warm-up Time (Average) 11
11 seconds
Published in approved 6FG7 target entry; Section1
Plate Voltage 330
330 V
Published in approved 6FG7 target entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage
330 V
Published in approved 6FG7 target entry; Section1
Grid-No.l (Control-Grid) Voltage, Positive-bias value 0
0 V
Published in approved 6FG7 target entry; Section1
Plate Dissipation 2.5
3 W
Published in approved 6FG7 target entry; Section1
For grid-No.2 voltages up to
165 V
Published in approved 6FG7 target entry; Section1
For grid-No.2 voltages between 165 and
330 V
Published in approved 6FG7 target entry; Section1
For grid-No.2 voltages between 165 and 330 volts
0.55 W
Published in approved 6FG7 target entry; Section1
Plate Voltage 125 100
125 V
Published in approved 6FG7 target entry; Section1
Grid-No.2 Voltage 100
125 V
Published in approved 6FG7 target entry; Section1
Grid-No.l Voltage —1 0
-1 V
Published in approved 6FG7 target entry; Section1
Capacitance
Grid to Plate 1.8
1.8 pF
Published in approved 6FG7 target entry; Section1
Grid to Cathode, Pentode Grid No.3, and Heater 3
3 pF
Published in approved 6FG7 target entry; Section1
Plate to Cathode, Pentode Grid No.3, and Heater 1.3
1.9 pF
Published in approved 6FG7 target entry; Section1
and Heater 2.4
3.4 pF
Published in approved 6FG7 target entry; Section1
Characteristic
Plate Resistance (Approx.) 5700
180000 Ω
Published in approved 6FG7 target entry; Section1
Transconductance 7500 7400
6000 µS
Published in approved 6FG7 target entry; Section1
Grid-No.2 Current — 11
4 mA
Published in approved 6FG7 target entry; Section1
of 30 n& —6.6 —
-7.5 V
Published in approved 6FG7 target entry; Section1