Data set 01
1940 RCA
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Maximum Frequency
470 MHz
RFPowerOutput
56 W
UpTo100MHz
Power - Beam (NOT sweep) ·BeamPower-BeamPower
6524
Beam-power output tube intended for substantial audio-frequency or general power-amplifier service, combining high current capability with useful plate dissipation.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 1.25 A
Description
The RCA 6524 is a twin beam power tube for push-pull AF/RF amplification, modulation, oscillation, and frequency-tripler service.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 1.25 A
- 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
Beam Power
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0045 S
- Amplification factor
- 8.5
- Max plate voltage
- 600 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 25 W
Twin beam-power tube with two identical physical units; identical-section compression applied, so SectionCount=2 with one representative section row.
Section 2
Beam Power
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0045 S
- Amplification factor
- 8.5
- Max plate voltage
- 600 V
- Max screen voltage
- 300 V
- Max plate dissipation
- 25 W
Second physical beam-power unit; RCA 6524/6850 twin-beam data, ratings per tube.
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
1956 RCA Transmitting Tubes
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristics
Maximum Full-Input Frequency
100 MHz
Maximum Reduced-Input Frequency
470 MHz
Other
Plate Voltage CCS
500 V
PushPull
Plate Voltage ICAS
600 V
PushPull
Data set 03
1971 RCA HB3 Binder 6 of 7
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristics
Voltage — published value 1
6.3
Published datasheet value
Voltage — published value 2
10
Published datasheet value
Current
1.25 A
Published datasheet value
Transconductance~ ror do plate volts= 200,
200
Published datasheet value
do grid—Xo.2 volts= 200, and do plate ma. = 50 — published value 1
200 mA
Published datasheet value
do grid—Xo.2 volts= 200, and do plate ma. = 50 — published value 2
50 mA
Published datasheet value
do grid—Xo.2 volts= 200, and do plate ma. = 50 — published value 3
4.5 A
Published datasheet value
for do p{ate volts= 200, do grid—No.2
200
Published datasheet value
volts= 200, and do plate ma.= 50 — published value 1
200 mA
Published datasheet value
volts= 200, and do plate ma.= 50 — published value 2
50 mA
Published datasheet value
volts= 200, and do plate ma.= 50 — published value 3
8.5 mA
Published datasheet value
Grid No.l to cathode 8 grid No.3 &
8
Published datasheet value
1 & 7), and heater — published value 1
1
Published datasheet value
1 & 7), and heater — published value 2
7
Published datasheet value
1 & 7), and heater — published value 3
7
Published datasheet value
Plate to cathode & grid No.3 6 in—
6
Published datasheet value
ternal shield, grid No.2 (pins 1
1
Published datasheet value
& 7), and heater — published value 1
7
Published datasheet value
& 7), and heater — published value 2
3.4
Published datasheet value
Pin 1 —Grid No.2 — published value 1
1
Published datasheet value
Pin 1 —Grid No.2 — published value 2
6
Published datasheet value
Pin 2 —Grid No.l of
2
Published datasheet value
Unit No.2
7
Published datasheet value
Pin 3 —Heater
3
Published datasheet value
Pin 5 —Heater
5
Published datasheet value
DC Plate Voltage — published value 1
400
Published datasheet value
DC Plate Voltage — published value 2
500
Published datasheet value
DC Grid-No.2 Voltage• — published value 1
200
Published datasheet value
DC Grid-No.2 Voltage• — published value 2
200
Published datasheet value
From }ized-bias source — published value 1
-23
Published datasheet value
From }ized-bias source — published value 2
-26
Published datasheet value
No.i Voltage — published value 1
72
Published datasheet value
No.i Voltage — published value 2
70
Published datasheet value
(Plate to plate) — published value 1
7100 ohm
Published datasheet value
(Plate to plate) — published value 2
11100 ohm
Published datasheet value
DC Plate Voltage — published value 1
500
Published datasheet value
DC Plate Voltage — published value 2
600
Published datasheet value
DC Grid-No.2 Voltage'• — published value 1
200
Published datasheet value
DC Grid-No.2 Voltage'• — published value 2
200
Published datasheet value
From }ized-bias source — published value 1
-25
Published datasheet value
From }ized-bias source — published value 2
-26
Published datasheet value
f Sub stri pt 2 indicates that grid—No.i current flows during some part of
2
Published datasheet value
No.l Voltage — published value 1
76
Published datasheet value
No.l Voltage — published value 2
76
Published datasheet value
(Plate to plate) — published value 1
8900 ohm
Published datasheet value
(Plate to plate) — published value 2
11400 ohm
Published datasheet value
DC Grid-No.2 Voltage (Approx.)+ — published value 1
200
Published datasheet value
DC Grid-No.2 Voltage (Approx.)+ — published value 2
200
Published datasheet value
DC Grid-No.l Voltage*
1
Published datasheet value
grid resistor of — published value 1
6200 ohm
Published datasheet value
grid resistor of — published value 2
6200 ohm
Published datasheet value
with fixed bias of — published value 1
-45
Published datasheet value
with fixed bias of — published value 2
-45
Published datasheet value
DC Plate Current — published value 1
100 mA
Published datasheet value
DC Plate Current — published value 2
100 mA
Published datasheet value
DC Grid-No.2 Current (Approx.) — published value 1
7 mA
Published datasheet value
DC Grid-No.2 Current (Approx.) — published value 2
7 mA
Published datasheet value
DC Grid-No.l Current (Approx.) — published value 1
2.5 mA
Published datasheet value
DC Grid-No.l Current (Approx.) — published value 2
2.5 mA
Published datasheet value
Power Output (Approx.)t — published value 1
31 W
Published datasheet value
Power Output (Approx.)t — published value 2
40 W
Published datasheet value
Other
Grid No.l to plate — published value 1
0 mA
Published datasheet value
Grid No.l to plate — published value 2
11 mA
Published datasheet value
Bulb Temperature•(At hottest point)
210 mA
Published datasheet value
DC PLATE VOLTAGE — published value 1
500 mA
Published datasheet value
DC PLATE VOLTAGE — published value 2
600 mA
Published datasheet value
DC GRID-No.2 (SCREEN)~VOLTAGE~ — published value 1
300 mA
Published datasheet value
DC GRID-No.2 (SCREEN)~VOLTAGE~ — published value 2
300 mA
Published datasheet value
DC GRID-No.2 SUPPLY VOLTAGE — published value 1
400 mA
Published datasheet value
DC GRID-No.2 SUPPLY VOLTAGE — published value 2
400 mA
Published datasheet value
MAX.-SIGNAL DC PLATE CURRENT" — published value 1
150 mA
Published datasheet value
MAX.-SIGNAL DC PLATE CURRENT" — published value 2
150 mA
Published datasheet value
MAX.-SIGNAL PLATE INPUT" — published value 1
70 mA
Published datasheet value
MAX.-SIGNAL PLATE INPUT" — published value 2
85 mA
Published datasheet value
MAX.-SIGNAL GRID-No.2 INPUT" — published value 1
3 mA
Published datasheet value
MAX.-SIGNAL GRID-No.2 INPUT" — published value 2
3 mA
Published datasheet value
PLATE DISSIPATION" — published value 1
20 mA
Published datasheet value
PLATE DISSIPATION" — published value 2
25 mA
Published datasheet value
With fixed bias
30 A
Published datasheet value
For max. plate voltage end mex. plate input above 100 Mc,
100 mA
Published datasheet value
DC PLATE VOLTAGE — published value 1
400 mA
Published datasheet value
DC PLATE VOLTAGE — published value 2
500 mA
Published datasheet value
VOLTAGE -200 max. -200 max — published value 1
-200 mA
Published datasheet value
VOLTAGE -200 max. -200 max — published value 2
-200 mA
Published datasheet value
DC PLATE CURRENT — published value 1
125 mA
Published datasheet value
DC PLATE CURRENT — published value 2
125 mA
Published datasheet value
DC GRID-No.l CURRENT — published value 1
4 mA
Published datasheet value
DC GRID-No.l CURRENT — published value 2
4 mA
Published datasheet value
PLATE INPUT — published value 1
45 mA
Published datasheet value
PLATE INPUT — published value 2
55 mA
Published datasheet value
GRID-No.2 INPUT — published value 1
2 mA
Published datasheet value
GRID-No.2 INPUT — published value 2
2 mA
Published datasheet value
PLATE DISSIPATION — published value 1
13.5 mA
Published datasheet value
PLATE DISSIPATION — published value 2
16.7 mA
Published datasheet value