Alternatives & variations Download PDF datasheet

Power - Beam (NOT sweep) ·BeamPower-Pentode

6BF11

Compactron combining a beam-power audio-output pentode with a sharp-cutoff dual-control pentode for television FM detection and audio-frequency output amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 12EZ
Socket code: B12C
Base pins: 12
Nominal heater: 6.3 V / 1.2 A

Description

Combined beam-power and dual-control sharp-cutoff pentode for FM detection and audio-frequency output amplification in television receivers. It is an explicit heater variant/co-designation in 24BF11.pdf.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 12EZ
Socket code: B12C
Base pins: 12
Nominal heater voltage: 6.3 V
Nominal heater current: 1.2 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

12EZ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1Pin 1	—	H — Heater	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN2Pin 2	B	K — CathodeGroup EZ2	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN2Pin 2	B	SH — Internal ShieldGroup EZ2	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN3Pin 3	B	G1 — Control Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN4Pin 4	—	NC	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN5Pin 5	B	G3 — Suppressor Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN6Pin 6	B	G2 — Screen Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN7Pin 7	B	P — Plate (Anode)	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN8Pin 8	A	G1 — Control Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN9Pin 9	A	BP — Beam-Forming PlateGroup EZ9	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN9Pin 9	A	K — CathodeGroup EZ9	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN10Pin 10	A	G2 — Screen Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN11Pin 11	A	P — Plate (Anode)	Verified GE 12AE10 terminal connections 12EZ
PIN12Pin 12	—	H — Heater	Verified GE 12AE10 terminal connections 12EZ

Section ratings

2 physical sections, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances

Plate resistance: 30000 Ω
Transconductance: 0.0086 S
Max plate voltage: 165 V
Max screen voltage: 150 V
Max plate dissipation: 6.5 W
Max screen dissipation: 1.8 W
Max cathode current: 65 mA

BeamPower section; ratings and characteristics retained in parameter rows where not safely promotable.

Section 2

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 150000 Ω
Transconductance: 0.001 S
Max plate voltage: 330 V
Max screen voltage: 330 V
Max plate dissipation: 1.7 W
Max screen dissipation: 1.1 W

Pentode section; ratings and characteristics retained in parameter rows where not safely promotable.

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 01

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Plate Voltage
145 V
ClassA
Screen Voltage
110 V
ClassA
Grid1 Voltage
-6 V
ClassA
Peak AF Grid1 Voltage
6 V
ClassA
Zero Signal Plate Current
36 mA
ClassA
Maximum Signal Plate Current
40 mA
ClassA
Zero Signal Screen Current
3 mA
ClassA
Maximum Signal Screen Current
9 mA
ClassA
Load Resistance
3000 ohm
ClassA
Total Harmonic Distortion
10 %
ClassA
Maximum Signal Power Output
2.4 W
ClassA

Capacitance

Grid1 To Plate Capacitance
0.24 pF
Input Capacitance
13 pF
Output Capacitance
10 pF
Plate To Plate Coupling Capacitance
0.13 pF
Section1ToSection2

SECTION 2

Pentode

Other

Suppressor Voltage
28 V
Screen Supply Voltage
330 V

Characteristic

Plate Voltage
150 V
AverageCharacteristics
Suppressor Voltage
0 V
AverageCharacteristics
Screen Voltage
100 V
AverageCharacteristics
Cathode Bias Resistance
560 ohm
AverageCharacteristics
Grid1Transconductance
1000 uS
AverageCharacteristics
Grid3 Transconductance
400 uS
AverageCharacteristics
Plate Current
1.3 mA
AverageCharacteristics
Screen Current
2 mA
AverageCharacteristics
Grid1VoltageAtPlateCurrent10uA
-4.5 V
AverageCharacteristics
Grid3VoltageAtPlateCurrent10uA
-4.5 V
AverageCharacteristics

Capacitance

Grid1 To Plate Capacitance
0.036 pF
Grid3 To Plate Capacitance
3.2 pF
Grid1ToAllExceptPlateCapacitance
6.5 pF
Grid3ToAllCapacitance
8 pF
Grid1 To Grid3 Capacitance
0.11 pF

Data set 02

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

Grid No. to plate cgl _ p
1 pF
Section2;PublishedColumn1
Grid No. to plate cgl _ p
0.036 pF
Section2;PublishedColumn2
Grid No. to plate c
3 pF
Section2;PublishedColumn1
Grid No. to plate c
3.2 pF
Section2;PublishedColumn2
ci p
6.5 pF
Section2
G ,H) cg -all B
3 pF
Section2;PublishedColumn1
G ,H) cg -all B
0 pF
Section2;PublishedColumn2
Grid No. to Grid No cg t_g
1 pF
Section2;PublishedColumn1
Grid No. to plate cg l_ p
1 pF
Section2;PublishedColumn1
Grid No. to plate cg l_ p
0.24 pF
Section2;PublishedColumn2
Input: G to (K,G ,G , IS,H) ci
2 pF
Section2;PublishedColumn1
Input: G to (K,G ,G , IS,H) ci
13 pF
Section2;PublishedColumn2
Output: Pto (K,G ,G , IS,H) co
2 pF
Section2;PublishedColumn1
Output: Pto (K,G ,G , IS,H) co
10 pF
Section2;PublishedColumn2
Pertode plateto beam —power plate cp_p
0 pF
Section2;PublishedColumn1
Pertode plateto beam —power plate cp_p
13 pF
Section2;PublishedColumn2

Characteristics

Current Ibo
1.3 mA
Section2;PublishedColumn1
Current Ibo
36 mA
Section2;PublishedColumn2
Max-Signal Plate Current Ih
40 mA
Section2
Current Ic
2 mA
Section2;PublishedColumn1
Current Ic
3 mA
Section2;PublishedColumn2
Current Ic
9 mA
Section2;PublishedColumn2
DC GRID—No. CURRENT (Ic )—
2 mA
Section2;PublishedColumn1
DC GRID-No. CURRENT (Ze ) —
2 mA
Section2;PublishedColumn1

Other

Average Cathode Currenta Ik(av)
65 mA
Section2

SECTION 2

Pentode

Capacitance

Grid No. to plate cgl _ p
1 pF
Section1;PublishedColumn1
Grid No. to plate cgl _ p
0.036 pF
Section1;PublishedColumn2
Grid No. to plate c
3 pF
Section1;PublishedColumn1
Grid No. to plate c
3.2 pF
Section1;PublishedColumn2
ci p
6.5 pF
Section1
G ,H) cg -all B
3 pF
Section1;PublishedColumn1
G ,H) cg -all B
0 pF
Section1;PublishedColumn2
Grid No. to Grid No cg t_g
1 pF
Section1;PublishedColumn1
Grid No. to plate cg l_ p
1 pF
Section1;PublishedColumn1
Grid No. to plate cg l_ p
0.24 pF
Section1;PublishedColumn2
Input: G to (K,G ,G , IS,H) ci
2 pF
Section1;PublishedColumn1
Input: G to (K,G ,G , IS,H) ci
13 pF
Section1;PublishedColumn2
Output: Pto (K,G ,G , IS,H) co
2 pF
Section1;PublishedColumn1
Output: Pto (K,G ,G , IS,H) co
10 pF
Section1;PublishedColumn2
Pertode plateto beam —power plate cp_p
0 pF
Section1;PublishedColumn1
Pertode plateto beam —power plate cp_p
13 pF
Section1;PublishedColumn2

Characteristics

Current Ibo
1.3 mA
Section1;PublishedColumn1
Current Ibo
36 mA
Section1;PublishedColumn2
Max-Signal Plate Current Ih
40 mA
Section1
Current Ic
2 mA
Section1;PublishedColumn1
Current Ic
3 mA
Section1;PublishedColumn2
Current Ic
9 mA
Section1;PublishedColumn2
DC GRID—No. CURRENT (Ic )—
2 mA
Section1;PublishedColumn1
DC GRID-No. CURRENT (Ze ) —
2 mA
Section1;PublishedColumn1

Other

Average Cathode Currenta Ik(av)
65 mA
Section1

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Heater Warm-up Time (Average)
11 s
Other;PublishedValue1
Heater Warm-up Time (Average)
11 s
Other;PublishedValue2
Heater Warm-up Time (Average)
11 s
Other;PublishedValue3
Peak value
200 V
Other;PublishedValue1
Peak value
200 V
Other;PublishedValue2
Peak value
200 V
Other;PublishedValue3
Peak value
0 V
Other;PublishedValue4
Average value
100 V
Other;PublishedValue1
Average value
100 V
Other;PublishedValue2
Average value
100 V
Other;PublishedValue3
Average value
100 V
Other;PublishedValue4
Plate Voltage
165 V
MaximumRating
Grid-No
2 V
MaximumRating;PublishedValue1
Grid-No
150 V
MaximumRating;PublishedValue2
Average Cathode Current
65 mA
MaximumRating
Plate Dissipation
6.5 W
MaximumRating
Grid-No
2 W
MaximumRating;PublishedValue1
Grid-No
1.8 W
MaximumRating;PublishedValue2
Plate Voltage
145 V
TypicalOperation
Grid-No
2 V
TypicalOperation;PublishedValue1
Grid-No
110 V
TypicalOperation;PublishedValue2
Grid-No
1 V
TypicalOperation;PublishedValue1
Grid-No
-6 V
TypicalOperation;PublishedValue2
Peak AF Grid-No.l Voltage
6 V
TypicalOperation
Zero-Signal Plate Current
36 mA
TypicalOperation
Maximum-Signal Plate Current
40 mA
TypicalOperation
Zero-Signal Grid No
2 mA
TypicalOperation;PublishedValue1
Zero-Signal Grid No
3 mA
TypicalOperation;PublishedValue2
Maximum-Signal Grid-No
2 mA
TypicalOperation;PublishedValue1
Maximum-Signal Grid-No
9 mA
TypicalOperation;PublishedValue2
Plate Resistance (Approx.)
0.03 megohm
TypicalOperation
Transconductance
8600 uS
TypicalOperation
PLATE
92 V
TypicalOperation;PublishedValue1
PLATE
742 V
TypicalOperation;PublishedValue2
Load Resistance
3000 ohm
TypicalOperation
Total Harmonic Distortion
10 %
TypicalOperation
Maximum-Signal Power Output
2.4 W
TypicalOperation
For fixed-bias operation
0.25 megohm
MaximumCircuitValue
For cathode-bias operation
0.5 megohm
MaximumCircuitValue

Capacitance

Grid No.l to Plate
0.36 pF
Capacitance
Grid No
3 pF
Capacitance;PublishedValue1
Grid No
3.2 pF
Capacitance;PublishedValue2
and Internal Shield
8 pF
Capacitance
Grid No.l to Grid No
3 pF
Capacitance;PublishedValue1
Grid No.l to Grid No
0.11 pF
Capacitance;PublishedValue2
Grid No.l to Plate
0.24 pF
Capacitance
and Internal Shield
13 pF
Capacitance
and Internal Shield
10 pF
Capacitance

Characteristic

Plate Supply Voltage
150 V
Characteristic
Grid-No
2 V
Characteristic;PublishedValue1
Grid-No
100 V
Characteristic;PublishedValue2
Cathode-Bias Resistor
560 ohm
Characteristic
Plate Resistance (Approx.)
0.15 megohm
Characteristic
Transconductance, Grid No.l to Plate
1000 uS
Characteristic
Plate Current
1.3 mA
Characteristic
Grid-No
2 mA
Characteristic;PublishedValue1
Grid-No
2 mA
Characteristic;PublishedValue2
Grid-No.l Voltage (Approx.) for plate current of
10 V
Characteristic;PublishedValue1
Grid-No.l Voltage (Approx.) for plate current of
-4.5 V
Characteristic;PublishedValue2
Grid-No
3 V
Characteristic;PublishedValue1

SECTION 2

Pentode

Capacitance

Pentode Plate to Beam Power Plate
0.13 pF
Capacitance

Other

Maximum Plate Voltage
330 V
Section2;Promoted
Maximum Screen Voltage
330 V
Section2;Promoted
Maximum Plate Dissipation
1.7 W
Section2;Promoted
Maximum Screen Dissipation
1.1 W
Section2;Promoted

Characteristic

Plate Resistance
150000 ohm
Section2;Promoted
Transconductance
1000 uS
Section2;Promoted