Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Grid3 Transconductance
390 umhos
EachSection
Voltage Dual Pentode ·Pentode-Pentode
6BV11
Compactron twin dual-control sharp-cutoff pentode designed as color-demodulator elements in color television receivers.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 12HB
- Socket code
- B12C
- Base pins
- 12
- Nominal heater
- 6.3 V / 900 mA
Description
Sharp-cutoff twin pentode used as color-demodulator elements in color television applications.
Socket description
Duodecar 12-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 12HB
- 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
12HB - 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
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 200000 Ω
- Transconductance
- 0.0037 S
- Amplification factor
- 70
- Max plate voltage
- 300 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 1.7 W
- Max screen dissipation
- 1 W
- Max grid dissipation
- 0.1 W
Each section; representative row; mu is grid 3 to plate.
Section 2
Pentode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0032 S
- Amplification factor
- 67
- Max plate voltage
- 300 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 1.7 W
Published electrical data promoted where unambiguous; additional values retained as parameters.
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
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
TypicalPlateSupplyVoltage
150 V
TypicalScreenSupplyVoltage
100 V
Characteristic
Grid3 Transconductance
400 uS
Data set 03
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Heater Voltage (ac/dc) 6.3
12.6 V
Published in approved 12BV11 target entry; Section1
Heater Current 0.9
450 mA
Published in approved 12BV11 target entry; Section1
Heater Warm-up Time
11 seconds
Published in approved 12BV11 target entry; Section1
DC Plate Voltage
300 V
Published in approved 12BV11 target entry; Section1
Positive-bias value
25 V
Published in approved 12BV11 target entry; Section1
Negative-bias value
100 V
Published in approved 12BV11 target entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage
300 V
Published in approved 12BV11 target entry; Section1
Positive-bias value
0 V
Published in approved 12BV11 target entry; Section1
Negative-bias value
50 V
Published in approved 12BV11 target entry; Section1
Plate Dissipation
1.7 W
Published in approved 12BV11 target entry; Section1
Grid-No.3 Input
0.1 W
Published in approved 12BV11 target entry; Section1
For grid-No.2 voltages up to
150 V
Published in approved 12BV11 target entry; Section1
For grid-No.2 voltages up to 150 volts
1 W
Published in approved 12BV11 target entry; Section1
For grid-No.2 voltages between 150 and
300 V
Published in approved 12BV11 target entry; Section1
Grid-No.3-Circuit Resistance
0.68 MΩ
Published in approved 12BV11 target entry; Section1
For fixed-bias operation
0.22 MΩ
Published in approved 12BV11 target entry; Section1
For cathode-bias operation
0.47 MΩ
Published in approved 12BV11 target entry; Section1
330
330 V
Published in approved 12BV11 target entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage 330
330 V
Published in approved 12BV11 target entry; Section1
Grid-No.l (Control-Grid) Voltage, Positive-bias value 0
0 V
Published in approved 12BV11 target entry; Section1
4
3.1 W
Published in approved 12BV11 target entry; Section1
0.8
0.65 W
Published in approved 12BV11 target entry; Section1
Plate Voltage 125
125 V
Published in approved 12BV11 target entry; Section1
Grid-No.2 Voltage 125
125 V
Published in approved 12BV11 target entry; Section1
56
56 Ω
Published in approved 12BV11 target entry; Section1
0.12
0.2 MΩ
Published in approved 12BV11 target entry; Section1
For cathode-bias operation 0.25
0.25 MΩ
Published in approved 12BV11 target entry; Section1
Capacitance
Grid No.l to Plate
0.1 pF
Published in approved 12BV11 target entry; Section1
Internal Shield
7 pF
Published in approved 12BV11 target entry; Section1
Grid No.3 to All Other Electrodes
8.5 pF
Published in approved 12BV11 target entry; Section1
Grid No.l to Grid No.3
0.08 pF
Published in approved 12BV11 target entry; Section1
Characteristic
Plate Supply Voltage
150 V
Published in approved 12BV11 target entry; Section1
Grid-No.3 Voltage
0 V
Published in approved 12BV11 target entry; Section1
Grid-No.2 Supply Voltage
100 V
Published in approved 12BV11 target entry; Section1
Cathode Resistor
180 Ω
Published in approved 12BV11 target entry; Section1
Plate Current
3.1 mA
Published in approved 12BV11 target entry; Section1
Grid-No.2 Current
2.4 mA
Published in approved 12BV11 target entry; Section1
Transconductance, Grid No.l
3200 µS
Published in approved 12BV11 target entry; Section1
Transconductance, Grid No.3
390 µS
Published in approved 12BV11 target entry; Section1
Plate Resistance (Approx.)
0.17 MΩ
Published in approved 12BV11 target entry; Section1
8500
13000 µS
Published in approved 12BV11 target entry; Section1
Plate Current 22
11 mA
Published in approved 12BV11 target entry; Section1
Grid-No.2 Current 4.8
3.8 mA
Published in approved 12BV11 target entry; Section1
20 /iA —9.5
-3 V
Published in approved 12BV11 target entry; Section1