Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate Voltage
150 V
ClassA;EachSection
Heater Warmup Time
11 s
Published specifically for 6BK7B
Voltage - Dual Triode (dissimilar) ·Triode-Triode
6BK7B
Medium-mu twin triode for cascode VHF tuner and RF amplifier service, with characteristics tailored to high-frequency receiving applications.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 9AJ
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 450 mA
Description
Medium-mu twin triode for cascode VHF tuner and RF amplifier service. The supplied datasheet was read for heater data, maximum ratings, characteristics, typical operating information, and interelectrode capacitances where published.
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
- 9AJ
- 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
9AJ - Terminal pinout
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 |
Section ratings
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 4600 Ω
- Transconductance
- 0.0093 S
- Amplification factor
- 43
- Max plate voltage
- 300 V
- Max plate dissipation
- 2.7 W
- Max cathode current
- 20 mA
Each section; representative row.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 5000 Ω
- Transconductance
- 0.0072 S
- Amplification factor
- 36
- Max plate voltage
- 250 V
- Max plate dissipation
- 2 W
- Max cathode current
- 20 mA
High-frequency twin triode for low-noise VHF cascode amplifiers.
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 Sylvania Electronic Tubes Vol3
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater voltage
6.3 V
Heater current
450 mA
Plate resistance
5000 ohm
Transconductance
7200 uS
Amplification factor
36
Other
Maximum plate voltage
250 V
Maximum cathode current
20 mA
Maximum plate dissipation
2 W
Capacitance
Grid-to-plate capacitance
1.15 pF
Plate-to-cathode capacitance
0.15 pF
SECTION 2
Triode
Characteristics
Heater voltage
6.3 V
Heater current
450 mA
Plate resistance
5000 ohm
Transconductance
7200 uS
Amplification factor
36
Other
Maximum plate voltage
250 V
Maximum cathode current
20 mA
Maximum plate dissipation
2 W
Capacitance
Grid-to-plate capacitance
1.15 pF
Plate-to-cathode capacitance
0.15 pF
Data set 03
1966 Tung Sol Electronic Tubes 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
GRID TO PLATE
1.8 µµf
Section 1 | GRID TO PLATE 1.8 1.8 µµf
GRID TO GRID (MAX.)
0.004 µµf
Section 1 | GRID TO GRID (MAX.) 0.004 µµf
PLATE TO PLATE (MAX.)
0.075 µµf
Section 1 | PLATE TO PLATE (MAX.) 0.075 µµf
PLATE TO CATHODE
0.22 µµf
Section 1 | PLATE TO CATHODE. 0.22 0.22 µµf
Other
HEATER VOLTAGE
6.3 V
Maximum Ratings | HEATER VOLTAGE 6.3 VOLTS
MAXIMUM NEGATIVE DC GRID VOLTAGE
50 V
Maximum Ratings | MAXIMUM NEGATIVE DC GRID VOLTAGE 50 voLTs
MAXIMUM PLATE DISSIPATION '
2.7 W
Maximum Ratings | MAXIMUM PLATE DISSIPATION '2.7 WATTS
RESPECT TO THE CATHODE AND AS NIGH AS j
0 V
Maximum Ratings | RESPECT TO THE CATHODE AND AS NIGH AS j00 VOLTS NA%I NUM FOR THE 6BN 7B.
HEATER VOLTAGE
6.3 V
Typical Operating Conditions | HEATER VOLTAGE 6.3 voLTs
HEATER CURRENT
450 mA
Typical Operating Conditions | HEATER CURRENT 0.45 AMP.
PLATE VOLTAGE
150 V
Typical Operating Conditions | PLATE VOLTAGE 150 VOLTS
CATHODE BIAS RESISTOR
56 ohm
Typical Operating Conditions | CATHODE BIAS RESISTOR 56 OHMS
PLATE RESISTANCE (APPROX.)
600 ohm
Typical Operating Conditions | PLATE RESISTANCE (APPROX.) 4 600 OHMS
PLATE CURRENT OF
18 mA
Typical Operating Conditions | PLATE CURRENT OF 18 MA.. A FREOU EN CY OF 200 MEGALY CL E S. A STAGE BANDWIDTH OF 7 MEGACYCLES. AND
Data set 04
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Typical Plate Voltage
150 V
ClassA
Typical Plate Current
18 mA
Data set 05
1971 RCA HB3 Binder 4 of 7
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Voltage
6.3 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Current — published value 1
0 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Current — published value 2
45 A
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid to plate — published value 1
1.8
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid to plate — published value 2
1.8
Published datasheet value; multiple values represent separate source-table limits or conditions.
shield, and heater — published value 1
3
Published datasheet value; multiple values represent separate source-table limits or conditions.
shield, and heater — published value 2
3
Published datasheet value; multiple values represent separate source-table limits or conditions.
shield, and heater — published value 1
1
Published datasheet value; multiple values represent separate source-table limits or conditions.
shield, and heater — published value 2
0.9
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater to cathode — published value 1
2.8
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater to cathode — published value 2
3
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate to cathode — published value 1
0.22
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate to cathode — published value 2
0.22
Published datasheet value; multiple values represent separate source-table limits or conditions.
shield, and heater — published value 1
6
Published datasheet value; multiple values represent separate source-table limits or conditions.
shield, and heater — published value 2
6
Published datasheet value; multiple values represent separate source-table limits or conditions.
shield, and heater — published value 1
2.4
Published datasheet value; multiple values represent separate source-table limits or conditions.
shield, and heater — published value 2
2.4
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate-Supply Voltage
150 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Resistance (Approx )
4600 ohm
Published datasheet value; multiple values represent separate source-table limits or conditions.
Transconductance
9300
Published datasheet value; multiple values represent separate source-table limits or conditions.
Plate Current
18 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid Volts (Approx.). for plate µa = 10 — published value 1
10 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Grid Volts (Approx.). for plate µa = 10 — published value 2
-11 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1 -Plate of — published value 1
1
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 1 -Plate of — published value 2
6
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 2 -Grid of — published value 1
2
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 2 -Grid of — published value 2
7
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 4 -Heater — published value 1
4
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 4 -Heater — published value 2
9
Published datasheet value; multiple values represent separate source-table limits or conditions.
Pin 5 -Heater
5
Published datasheet value; multiple values represent separate source-table limits or conditions.
permissible for this voltage Lo 6e as high as 300 volts — published value 1
6 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
permissible for this voltage Lo 6e as high as 300 volts — published value 2
300 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Other
PLATE VOLTAGE
300 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Negative-bias value
50 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
PLATE DISSIPATION
2.7 mA
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater negative with respect to cathode
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Heater positive with respect to cathode
200 V
Published datasheet value; multiple values represent separate source-table limits or conditions.
Data set 06
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
4.7
6.3 volts
Published datasheet value
0.6
0.45 ampere
Published datasheet value
Plate Voltage
300 volts
Published datasheet value
Grid Voltage, Negative-bias value
50 volts
Published datasheet value
Plate Supply Voltage
150 volts
Published datasheet value
Cathode-Bias Resistor
56 ohms
Published datasheet value
Plate Resistance (Approx.)
4600 ohms
Published datasheet value
Transconductance
0 A/V
Promoted from published datasheet table
Amplification Factor
43
Promoted from published datasheet table
Capacitance
2.8
3 pF
Published datasheet value
Other
Plate Dissipation
2.7 watts
Published datasheet value
Maximum Plate Voltage
300 V
Promoted from published datasheet table
Maximum Plate Dissipation
2.7 W
Promoted from published datasheet table