Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Heater Warmup Time
11 s
Power - Beam (NOT sweep) ·BeamPower-Pentode
17BF11
Combination dual-control sharp-cutoff pentode and beam-power section for television FM detection and audio-frequency output amplification, with about 2.4 watts maximum-signal output.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B12C
- Base pins
- 12
- Nominal heater
- 16.8 V / 450 mA
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
- -
- Socket code
- B12C
- Base pins
- 12
- Nominal heater voltage
- 16.8 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
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
- 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
Reference/equivalence-only source does not reproduce the referenced electrical ratings/characteristics; promoted values intentionally not inferred from external datasheets.
Section 2
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 150 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
Reference/equivalence-only source does not reproduce the referenced electrical ratings/characteristics; promoted values intentionally not inferred from external datasheets.
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
1971 RCA HB3 Binder 5 of 7
Published operating points and test conditions from this source.
SECTION 1
Pentode
Capacitance
Grid No. to plate cgl _ 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
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
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
Heater voltage
16.8 V
Reference sheet; AC or DC at rated heater current
Heater current
450 mA
Reference sheet nominal current
Warm-up time
11 s
Average
SECTION 2
Beam Power
Capacitance
Grid No. to plate cgl _ 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
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
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
Data set 03
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
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
SECTION 2
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
Plate Voltage
330 V
MaximumRating
Grid-No
3 V
MaximumRating;PublishedValue1
Grid-No
28 V
MaximumRating;PublishedValue2
Grid No
2 V
MaximumRating;PublishedValue1
Grid No
330 V
MaximumRating;PublishedValue2
Grid-No.l (Control-Grid) Voltage, Positive-bias value
0 V
MaximumRating
Plate Dissipation
1.7 W
MaximumRating
For grid-No
2 V
MaximumRating;PublishedValue1
For grid-No
165 V
MaximumRating;PublishedValue2
For grid-No
1.1 V
MaximumRating;PublishedValue3
For grid-No
2 V
MaximumRating;PublishedValue1
For grid-No
165 V
MaximumRating;PublishedValue2
For grid-No
330 V
MaximumRating;PublishedValue3
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
Grid-No
10 V
Characteristic;PublishedValue2
Grid-No
-4.5 V
Characteristic;PublishedValue3