Voltage - Dual Triode (similar high frequency) ·Triode-Triode
Low-noise high-frequency twin triode for VHF cascode amplification in television tuners and push-pull cathode-drive RF amplifier service.
Medium-mu twin triode used as a cascode amplifier in VHF television tuners and in push-pull cathode-drive RF amplifiers.
Small-button Noval 9-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN12P | B | P — Plate (Anode) Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN22G1 | B | G1 — Control Grid Source label preserved; pending confirmation | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN32K | B | K — Cathode Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN4H | — | H — Heater Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN5H | — | H — Heater Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN61P | A | P — Plate (Anode) Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN71G1 | A | G1 — Control Grid Source label preserved; pending confirmation | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN81K | A | K — Cathode Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
| PIN9IS | A | IS — Internal Screen Numbered source electrode preserved; manufacturer verification pending | Unverified EIA Base Connections, printed page 131, 9AJ |
2 physical sections, each with unique specifications.
Section 1
Each section; representative row.
Section 2
Low-noise high-frequency twin triode for VHF cascode amplifiers.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Plate Voltage
150 V
Published operating/characteristic table
Grid Voltage
2 V
Published operating/characteristic table
Plate Current
10 mA
Published operating/characteristic table
Transconductance
7200 uS
Published operating/characteristic table
Plate Resistance
5000 ohm
Published operating/characteristic table
Data set 02
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Heater current
400 mA
Plate resistance
5000 ohm
Transconductance
7200 uS
Amplification factor
36
Maximum plate voltage
150 V
Maximum cathode current
20 mA
Maximum plate dissipation
2 W
Grid-to-plate capacitance
1.15 pF
Plate-to-cathode capacitance
0.15 pF
Heater voltage
6.3 V
Heater current
400 mA
Plate resistance
5000 ohm
Transconductance
7200 uS
Amplification factor
36
Maximum plate voltage
150 V
Maximum cathode current
20 mA
Maximum plate dissipation
2 W
Grid-to-plate capacitance
1.15 pF
Plate-to-cathode capacitance
0.15 pF
Data set 03
Published operating points and test conditions from this source.
Plate voltage
150 V
EachUnit; Cascode
Plate current
10 mA
EachUnit; Cascode
Amplification factor
36
EachUnit
Plate resistance
5 kOhm
EachUnit
Cascode transconductance
10000 uS
Cascode
Data set 04
Published operating points and test conditions from this source.
Typical Plate Voltage
150 V
ClassA
Data set 05
Published operating points and test conditions from this source.
Heater Voltage (ac/dc) 4.2 5.6
6.3 V
Published in approved 6BZ7 target datasheet entry; Section1
Heater Current 0.45
400 mA
Published in approved 6BZ7 target datasheet entry; Section1
Cathode Current
20 mA
Published in approved 6BZ7 target datasheet entry; Section1
Plate Dissipation
2 W
Published in approved 6BZ7 target datasheet entry; Section1
Plate Supply Voltage
150 V
Published in approved 6BZ7 target datasheet entry; Section1
Cathode-Bias Resistor
220 Ω
Published in approved 6BZ7 target datasheet entry; Section1
Plate Resistance (Approx.)
5900 Ω
Published in approved 6BZ7 target datasheet entry; Section1
Transconductance
6400 µS
Published in approved 6BZ7 target datasheet entry; Section1
Plate Current
9 mA
Published in approved 6BZ7 target datasheet entry; Section1
Grid-Circuit Resistance
0.5 MΩ
Published in approved 6BZ7 target datasheet entry; Section1
* Rating may be high as
300 V
Published in approved 6BZ7 target datasheet entry; Section1
Grid to Plate 1.2
1.2 pF
Published in approved 6BZ7 target datasheet entry; Section1
—
-5 pF
Published in approved 6BZ7 target datasheet entry; Section1
Plate to Grid, Heater, and Internal Shield
2.2 pF
Published in approved 6BZ7 target datasheet entry; Section1
Plate to Cathode 0.12
0.12 pF
Published in approved 6BZ7 target datasheet entry; Section1
Heater to Cathode 2.6
2.6 pF
Published in approved 6BZ7 target datasheet entry; Section1
* Rating: may be high as
300 V
Published in approved 6BZ7 target datasheet entry; Section1
For plate current of 100
-6.5 V
Published in approved 6BZ7 target datasheet entry; Section1