Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 2
Pentode
Other
Plate Voltage
250 V
Grid2 Voltage
250 V
Power - Beam (NOT sweep) ·BeamPower-Pentode
6AL11
Duodecar combination tube containing a beam-power section and sharp-cutoff pentode for television FM detection and audio-frequency output amplification.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 12BU
- Socket code
- B12C
- Base pins
- 12
- Nominal heater
- 6.3 V / 900 mA
Description
Duodecar combination beam-power tube and sharp-cutoff pentode used for FM detection and audio-frequency output in television receivers.
Socket description
Duodecar 12-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 12BU
- Socket code
- B12C
- Base pins
- 12
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 900 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
12BU - Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 275 V
- Max screen voltage
- 275 V
- Max plate dissipation
- 10 W
Power pentode section.
Section 2
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 100000 Ω
- Transconductance
- 0.0065 S
- Max plate voltage
- 30 V
- Max screen voltage
- 330 V
- Max plate dissipation
- 1.7 W
Dual-control detector pentode 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
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Heater Voltage (ac/dc) 6.3 9.8
12.6 V
Published in approved 6AL11 target entry; Section1
Heater Current 0.9 0.6
450 mA
Published in approved 6AL11 target entry; Section1
Heater Warm-up Time (Average) — 11
11 seconds
Published in approved 6AL11 target entry; Section1
Pentode Plate to Beam Power Plate
0.12 pF
Published in approved 6AL11 target entry; Section1
Plate Voltage
275 V
Published in approved 6AL11 target entry; Section1
Grid-No.2 (Screen-Grid) Voltage
275 V
Published in approved 6AL11 target entry; Section1
Plate Dissipation
10 W
Published in approved 6AL11 target entry; Section1
Grid-No.2 Input
2 W
Published in approved 6AL11 target entry; Section1
Plate Voltage
250 V
Published in approved 6AL11 target entry; Section1
Grid-No.2 Voltage
250 V
Published in approved 6AL11 target entry; Section1
Grid-No.l (Control-Grid) Voltage
-8 V
Published in approved 6AL11 target entry; Section1
Peak AF Grid-No.l Voltage
8 V
Published in approved 6AL11 target entry; Section1
Zero-Signal Plate Current
35 mA
Published in approved 6AL11 target entry; Section1
Maximum-Signal Plate Current
39 mA
Published in approved 6AL11 target entry; Section1
Zero-Signal Grid-No.2 Current
2.5 mA
Published in approved 6AL11 target entry; Section1
Maximum-Signal Grid-No.2 Current
7 mA
Published in approved 6AL11 target entry; Section1
Plate Resistance (Approx.)
0.1 MΩ
Published in approved 6AL11 target entry; Section1
Transconductance
6500 µS
Published in approved 6AL11 target entry; Section1
Load Resistance
5000 Ω
Published in approved 6AL11 target entry; Section1
Total Harmonic Distortion
10 %
Published in approved 6AL11 target entry; Section1
Maximum-Signal Power Output 4
-2 W
Published in approved 6AL11 target entry; Section1
For fixed-bias operation
0.25 MΩ
Published in approved 6AL11 target entry; Section1
For cathode-bias operation
0.5 MΩ
Published in approved 6AL11 target entry; Section1
Plate Supply Voltage
150 V
Published in approved 6AL11 target entry; Section1
Grid-No.3 (Suppressor-Grid) Voltage
0 V
Published in approved 6AL11 target entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage
100 V
Published in approved 6AL11 target entry; Section1
Cathode-Bias Resistor
560 Ω
Published in approved 6AL11 target entry; Section1
Plate Resistance (Approx.)
0.15 MΩ
Published in approved 6AL11 target entry; Section1
Plate Voltage
330 V
Published in approved 6AL11 target entry; Section1
Grid-No.3 Voltage
28 V
Published in approved 6AL11 target entry; Section1
Grid-No.2 Supply Voltage
330 V
Published in approved 6AL11 target entry; Section1
Grid-No.l (Control-Grid) Voltage, Positive-bias value
0 V
Published in approved 6AL11 target entry; Section1
Plate Dissipation 1
-7 W
Published in approved 6AL11 target entry; Section1
For grid-No.2 voltages up to
165 V
Published in approved 6AL11 target entry; Section1
For grid-No.2 voltages up to 165 volts
1.1 W
Published in approved 6AL11 target entry; Section1
For grid-No.2 voltages between 165 and
330 V
Published in approved 6AL11 target entry; Section1
Capacitance
Grid No.l to Plate
0.26 pF
Published in approved 6AL11 target entry; Section1
and Internal Shield
11 pF
Published in approved 6AL11 target entry; Section1
and Internal Shield
12 pF
Published in approved 6AL11 target entry; Section1
Grid No.l to Plate
0.034 pF
Published in approved 6AL11 target entry; Section1
Grid No.3 to Plate
3.2 pF
Published in approved 6AL11 target entry; Section1
and Internal Shield
6.5 pF
Published in approved 6AL11 target entry; Section1
Plate, and Internal Shield
7.5 pF
Published in approved 6AL11 target entry; Section1
Grid No.l to Grid No.3
0.24 pF
Published in approved 6AL11 target entry; Section1
Characteristic
Transconductance, Grid No.l to Plate
1000 µS
Published in approved 6AL11 target entry; Section1
Plate Current
1.3 mA
Published in approved 6AL11 target entry; Section1
Grid-No.2 Current
2.1 mA
Published in approved 6AL11 target entry; Section1
SECTION 2
Pentode
Other
Heater Voltage (ac/dc) 6.3 9.8
12.6 V
Published in approved 6AL11 target entry; Section2
Heater Current 0.9 0.6
450 mA
Published in approved 6AL11 target entry; Section2
Heater Warm-up Time (Average) — 11
11 seconds
Published in approved 6AL11 target entry; Section2
Pentode Plate to Beam Power Plate
0.12 pF
Published in approved 6AL11 target entry; Section2
Plate Voltage
275 V
Published in approved 6AL11 target entry; Section2
Grid-No.2 (Screen-Grid) Voltage
275 V
Published in approved 6AL11 target entry; Section2
Plate Dissipation
10 W
Published in approved 6AL11 target entry; Section2
Grid-No.2 Input
2 W
Published in approved 6AL11 target entry; Section2
Plate Voltage
250 V
Published in approved 6AL11 target entry; Section2
Grid-No.2 Voltage
250 V
Published in approved 6AL11 target entry; Section2
Grid-No.l (Control-Grid) Voltage
-8 V
Published in approved 6AL11 target entry; Section2
Peak AF Grid-No.l Voltage
8 V
Published in approved 6AL11 target entry; Section2
Zero-Signal Plate Current
35 mA
Published in approved 6AL11 target entry; Section2
Maximum-Signal Plate Current
39 mA
Published in approved 6AL11 target entry; Section2
Zero-Signal Grid-No.2 Current
2.5 mA
Published in approved 6AL11 target entry; Section2
Maximum-Signal Grid-No.2 Current
7 mA
Published in approved 6AL11 target entry; Section2
Plate Resistance (Approx.)
0.1 MΩ
Published in approved 6AL11 target entry; Section2
Transconductance
6500 µS
Published in approved 6AL11 target entry; Section2
Load Resistance
5000 Ω
Published in approved 6AL11 target entry; Section2
Total Harmonic Distortion
10 %
Published in approved 6AL11 target entry; Section2
Maximum-Signal Power Output 4
-2 W
Published in approved 6AL11 target entry; Section2
For fixed-bias operation
0.25 MΩ
Published in approved 6AL11 target entry; Section2
For cathode-bias operation
0.5 MΩ
Published in approved 6AL11 target entry; Section2
Plate Supply Voltage
150 V
Published in approved 6AL11 target entry; Section2
Grid-No.3 (Suppressor-Grid) Voltage
0 V
Published in approved 6AL11 target entry; Section2
Grid-No.2 (Screen-Grid) Supply Voltage
100 V
Published in approved 6AL11 target entry; Section2
Cathode-Bias Resistor
560 Ω
Published in approved 6AL11 target entry; Section2
Plate Resistance (Approx.)
0.15 MΩ
Published in approved 6AL11 target entry; Section2
Plate Voltage
330 V
Published in approved 6AL11 target entry; Section2
Grid-No.3 Voltage
28 V
Published in approved 6AL11 target entry; Section2
Grid-No.2 Supply Voltage
330 V
Published in approved 6AL11 target entry; Section2
Grid-No.l (Control-Grid) Voltage, Positive-bias value
0 V
Published in approved 6AL11 target entry; Section2
Plate Dissipation 1
-7 W
Published in approved 6AL11 target entry; Section2
For grid-No.2 voltages up to
165 V
Published in approved 6AL11 target entry; Section2
For grid-No.2 voltages up to 165 volts
1.1 W
Published in approved 6AL11 target entry; Section2
For grid-No.2 voltages between 165 and
330 V
Published in approved 6AL11 target entry; Section2
Capacitance
Grid No.l to Plate
0.26 pF
Published in approved 6AL11 target entry; Section2
and Internal Shield
11 pF
Published in approved 6AL11 target entry; Section2
and Internal Shield
12 pF
Published in approved 6AL11 target entry; Section2
Grid No.l to Plate
0.034 pF
Published in approved 6AL11 target entry; Section2
Grid No.3 to Plate
3.2 pF
Published in approved 6AL11 target entry; Section2
and Internal Shield
6.5 pF
Published in approved 6AL11 target entry; Section2
Plate, and Internal Shield
7.5 pF
Published in approved 6AL11 target entry; Section2
Grid No.l to Grid No.3
0.24 pF
Published in approved 6AL11 target entry; Section2
Characteristic
Transconductance, Grid No.l to Plate
1000 µS
Published in approved 6AL11 target entry; Section2
Plate Current
1.3 mA
Published in approved 6AL11 target entry; Section2
Grid-No.2 Current
2.1 mA
Published in approved 6AL11 target entry; Section2