Data set 01
1964 RMA EIA
Published operating points and test conditions from this source.
SECTION 1
Beam Power
CrossReference
Cross-reference / electrical identity
6JS6A
Characteristics
Heater warm-up time
11 s
Power - TV Horizontal Output (sweep) ·BeamPower
31JS6A
Beam-power horizontal-output tube for color and monochrome television receivers, combining approximately 30 W plate dissipation with low plate resistance and high-voltage line-deflection capability.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 12FY
- Socket code
- B12C
- Base pins
- 12
- Nominal heater
- 31.5 V / 450 mA
Description
Beam power tube for horizontal-deflection amplifier service in color and black-and-white television receivers. It is an explicit heater variant/co-designation in 23JS6A.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
- 12FY
- Socket code
- B12C
- Base pins
- 12
- Nominal heater voltage
- 31.5 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
12FY - Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 5500 Ω
- Max plate voltage
- 990 V
- Max screen voltage
- 125 V
- Max plate dissipation
- 30 W
- Max screen dissipation
- 5.5 W
- Max cathode current
- 350 mA
Source sheet states electrical identity to 6JS6A except heater characteristics; no complete 6JS6A table is reproduced.
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 Warm-up Tme (Average) a
1 s
Other;PublishedValue1
Heater Warm-up Tme (Average) a
1 s
Other;PublishedValue2
Peak value
200 V
Other;PublishedValue1
Peak value
200 V
Other;PublishedValue2
Peak value
200 V
Other;PublishedValue3
Average value
100 V
Other;PublishedValue1
Average value
100 V
Other;PublishedValue2
Average value
100 V
Other;PublishedValue3
Peak Positive-Pulse Plate Voltage#
7500 V
MaximumRating
Peak Negative-Pulse Plate Voltage
1200 V
MaximumRating
DC Grid-No
2 V
MaximumRating;PublishedValue1
DC Grid-No
220 V
MaximumRating;PublishedValue2
Peak Negative-Pulse Grid-No
1 V
MaximumRating;PublishedValue1
Peak Negative-Pulse Grid-No
330 V
MaximumRating;PublishedValue2
Average Cathode Current
350 mA
MaximumRating
Peak Cathode Current
1200 mA
MaximumRating
Plate Dissipation"*
30 W
MaximumRating
Grid-No
2 W
MaximumRating;PublishedValue1
Grid-No
5.5 W
MaximumRating;PublishedValue2
Maximum Plate Voltage
990 V
Section1;Promoted
Maximum Screen Voltage
125 V
Section1;Promoted
Maximum Plate Dissipation
30 W
Section1;Promoted
Maximum Screen Dissipation
5.5 W
Section1;Promoted
Maximum Cathode Current
350 mA
Section1;Promoted
Capacitance
Grid No.l to Cathode, Heater, Grid No
2 pF
Capacitance;PublishedValue1
Grid No.l to Cathode, Heater, Grid No
24 pF
Capacitance;PublishedValue2
Plate to Cathode, Heater, Grid No
2 pF
Capacitance;PublishedValue1
Plate to Cathode, Heater, Grid No
3 pF
Capacitance;PublishedValue2
Plate to Cathode, Heater, Grid No
10 pF
Capacitance;PublishedValue3
Characteristic
Grid-No
2 V
Characteristic;PublishedValue1
Grid-No
125 V
Characteristic;PublishedValue2
Grid-No
125 V
Characteristic;PublishedValue3
Grid-No
125 V
Characteristic;PublishedValue4
Grid-No
1 V
Characteristic;PublishedValue1
Grid-No
-25 V
Characteristic;PublishedValue2
Grid-No
0 V
Characteristic;PublishedValue3
Grid-No
25 V
Characteristic;PublishedValue4
Plate Resistance (Approx.) _ _
5500 ohm
Characteristic
Plate Current — — OOOv
130 mA
Characteristic
Grid-No
2 mA
Characteristic;PublishedValue1
Grid-No
2 mA
Characteristic;PublishedValue2
Grid-No
2 mA
Characteristic;PublishedValue3
current of
1 mA
Characteristic
— ——
54 V
Characteristic
Plate Resistance
5500 ohm
Section1;Promoted