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Power - Triode (over 1000V 100W) ·Triode

3CX10000A3

Ceramic-metal industrial power triode designed for high-power RF amplifier, oscillator, or modulator service. Manufacturer data emphasize transmitting duty, substantial plate dissipation, and the cooling provisions required for continuous professional operation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 7.5 V / 104 A

Description

The EIMAC 3CX10000A3 is a air-cooled medium-mu ceramic/metal power triode for industrial rf, fm, and linear-amplifier service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 7.5 V
Nominal heater current: 104 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

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Amplification factor: 20
Max plate voltage: 7000 V
Max plate dissipation: 12000 W
Max grid dissipation: 250 W
Max cathode current: 4 A

Single triode section; promoted values mapped from printed General Characteristics and Maximum Ratings headings.

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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

The EIMAC [1]
3
The EIMAC 3CX10,000A3 is a ceramic and metal power triode intended
The EIMAC [2]
0
The EIMAC 3CX10,000A3 is a ceramic and metal power triode intended
Voltage - - - = = = = =« - = - - - =~
7.5
Voltage - - - = = = = =« - = - - - =~ 7.5 v
Current - = = = = - = [1]
9
Current - = = = = - = - - - - - - - 9 104 A
Current - = = = = - = [2]
104
Current - = = = = - = - - - - - - - 9 104 A
Amplification Factor
20
Amplification Factor - - - - - - - - - - - - - - 20
Input [1]
48 pF
Input - - - - - - - - - - - - - - - 48 58 pF
Input [2]
58 pF
Input - - - - - - - - - - - - - - - 48 58 pF
Output - - - - - = = [1]
12 pF
Output - - - - - = = - - - - - - - - 12 1.5 pF
Output - - - - - = = [2]
1.5 pF
Output - - - - - = = - - - - - - - - 12 1.5 pF
Frequency for Maximum Ratings
140 MHz
Frequency for Maximum Ratings - - - - - - - - - - - - - - - - - - - 140 MHz
D-C Plate Voltage [1]
6000
D-C Plate Voltage - - - - - 6000 7000 wvolts
D-C Plate Voltage [2]
7000
D-C Plate Voltage - - - - - 6000 7000 wvolts
D-C PLATE VOLTAGE [1]
7000 V
D-C PLATE VOLTAGE- - - 7000 VOLTS D-C Plate Current - - - - - 4.0 4.0 amps
D-C PLATE VOLTAGE [2]
4 V
D-C PLATE VOLTAGE- - - 7000 VOLTS D-C Plate Current - - - - - 4.0 4.0 amps
D-C PLATE VOLTAGE [3]
4 V
D-C PLATE VOLTAGE- - - 7000 VOLTS D-C Plate Current - - - - - 4.0 4.0 amps
D-C PLATE CURRENT [1]
4 A
D-C PLATE CURRENT- - - 4.0 AMPS D-C Grid Current - - - - - 610 670 mA
D-C PLATE CURRENT [2]
610 A
D-C PLATE CURRENT- - - 4.0 AMPS D-C Grid Current - - - - - 610 670 mA
D-C PLATE CURRENT [3]
670 A
D-C PLATE CURRENT- - - 4.0 AMPS D-C Grid Current - - - - - 610 670 mA
PLATE DISSIPATION [1]
10 kW
PLATE DISSIPATION - - - 10 KW Plate Input Power - - e - - 24 28 kw
PLATE DISSIPATION [2]
24 kW
PLATE DISSIPATION - - - 10 KW Plate Input Power - - e - - 24 28 kw
PLATE DISSIPATION [3]
28 kW
PLATE DISSIPATION - - - 10 KW Plate Input Power - - e - - 24 28 kw
GRID DISSIPATION [1]
250 W
GRID DISSIPATION - - - - 250 WATTS Plate Qutput Power - - - - - 18,9 224 kW
GRID DISSIPATION [2]
189 W
GRID DISSIPATION - - - - 250 WATTS Plate Qutput Power - - - - - 18,9 224 kW

Data set 02

1965 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

The Eimac [1]
3 W
The Eimac 3Cxlo, 000A3 is a ceramic and metal power triode in-
The Eimac [2]
0 W
The Eimac 3Cxlo, 000A3 is a ceramic and metal power triode in-
Voltage [1]
7 V
Voltage - 7. 5 volts
Voltage [2]
5 V
Voltage - 7. 5 volts
Grid-Filament
60
Grid-Filament 60 uuf
Grid-Plate
40
Grid-Plate - 40 uuf
Plate-Filament
2
Plate-Filament 2. O uuf
Anode Core
2500
Anode Core 2500c
Ceramic-to-Metal Seals
2500
Ceramic-to-Metal Seals 2500c
D-C Plate Voltage [1]
6000 V
D-C Plate Voltage 6000 7000 volts
D-C Plate Voltage [2]
7000 V
D-C Plate Voltage 6000 7000 volts
MAXIMUM RATINGS D-a Grid Voltage [1]
-575 V
MAXIMUM RATINGS D-a Grid Voltage -575 -670 volts
MAXIMUM RATINGS D-a Grid Voltage [2]
-670 V
MAXIMUM RATINGS D-a Grid Voltage -575 -670 volts
D-a PLATE VOLTAGE [1]
7 V
D-a PLATE VOLTAGE 7ooo MJur. voLTs D-a Plate Current 4.0 4.0 amps
D-a PLATE VOLTAGE [2]
4 V
D-a PLATE VOLTAGE 7ooo MJur. voLTs D-a Plate Current 4.0 4.0 amps
D-a PLATE VOLTAGE [3]
4 V
D-a PLATE VOLTAGE 7ooo MJur. voLTs D-a Plate Current 4.0 4.0 amps
D-a PIATE CURRENT [1]
4 A
D-a PIATE CURRENT 4. 0 Mjex. AMps D-a Grid Current 610 670 rna
D-a PIATE CURRENT [2]
0 mA
D-a PIATE CURRENT 4. 0 Mjex. AMps D-a Grid Current 610 670 rna
D-a PIATE CURRENT [3]
610 A
D-a PIATE CURRENT 4. 0 Mjex. AMps D-a Grid Current 610 670 rna
D-a PIATE CURRENT [4]
670 A
D-a PIATE CURRENT 4. 0 Mjex. AMps D-a Grid Current 610 670 rna
plATE DlsslpATloN lo Mjex. Kw Plate Input Power [1]
24 kW
plATE DlsslpATloN lo Mjex. Kw Plate Input Power 24 28 kw
plATE DlsslpATloN lo Mjex. Kw Plate Input Power [2]
28 kW
plATE DlsslpATloN lo Mjex. Kw Plate Input Power 24 28 kw
GRID DISSIPATION [1]
250 kW
GRID DISSIPATION 250 MAX. WATTS Plate Output Power 18.9 22.4 kw
GRID DISSIPATION [2]
18.9 kW
GRID DISSIPATION 250 MAX. WATTS Plate Output Power 18.9 22.4 kw

Data set 03

1975 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Amplification factor
20
Heater/filament voltage
7.5 V
Heater/filament current
99 A

Other

Maximum plate voltage
7000 V
Maximum plate dissipation
10000 W
Maximum grid dissipation
250 W
Maximum cathode/plate current
4 A
Frequency for maximum ratings
140 MHz
Typical industrial oscillator plate voltage
7000 V
ClassC
Typical industrial oscillator output power
22400 W
ClassC

Capacitance

Input/grid-filament capacitance
48 to 58 pF
Output/plate-filament capacitance
1.2 to 1.5 pF
Feedback/grid-plate capacitance
30 to 38 pF

Construction

Cooling
Forced air

Data set 04

1976 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Amplification factor
20
Heater/filament voltage
7.5 V
Heater/filament current
99 A

Other

Maximum plate voltage
7000 V
Maximum plate dissipation
10000 W
Maximum grid dissipation
250 W
Maximum cathode/plate current
4 A
Frequency for maximum ratings
140 MHz
Typical industrial oscillator plate voltage
7000 V
ClassC
Typical industrial oscillator output power
22400 W
ClassC

Capacitance

Input/grid-filament capacitance
48 to 58 pF
Output/plate-filament capacitance
1.2 to 1.5 pF
Feedback/grid-plate capacitance
30 to 38 pF

Construction

Cooling
Forced air

Data set 05

199X Svetlana

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Voltage 7.50 ±
0.37 V
General
Current @
7.5 V
General
Input
53 pF
General
Output
34 pF
General
Feedback
1.5 pF
General
Input
53 pF
General
Output
1.5 pF
General
Feedback
34 pF
General
Maximum frequency for full ratings (CW)
140 MHz
General

Other

DC plate voltage
7000 V
Maximum Ratings D 48.16 49.17 1.896 1.936
DC plate current
5 A
Maximum Ratings D 48.16 49.17 1.896 1.936
Plate dissipation
12000 W
Maximum Ratings D 48.16 49.17 1.896 1.936
Grid dissipation
250 W
Maximum Ratings D 48.16 49.17 1.896 1.936
DC plate voltage 6000
7000 V
Typical Operation
Zero-signal DC plate current 0.5
500 mA
Typical Operation
Single-tone DC plate current 4.0
4 A
Typical Operation
Zero-signal DC grid voltage* -270
-325 V
Typical Operation
Single-tone DC grid current* 0.3
250 mA
Typical Operation
Peak driving power 1950
2050 W
Typical Operation
Single-tone plate output power 18
20000 W
Typical Operation
DC plate voltage
7000 V
Maximum Ratings
DC plate current
4 A
Maximum Ratings
Plate dissipation
10000 W
Maximum Ratings
Grid dissipation
250 W
Maximum Ratings