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

8159

Eimac medium-mu ceramic-metal power triode for industrial RF, FM, and linear-amplifier service. Approximately 12 kW plate dissipation and full ratings into VHF provide substantial high-frequency power without liquid cooling.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 7.5 V / 10 A

Description

EIMAC 8159 is the explicit numeric co-designation printed for 3CX10000A3. 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: 10 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

Promoted maximum ratings/characteristics populated from published headings; service-specific values retained in parameters.

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
GRID DISSIPATION [3]
224 W
GRID DISSIPATION - - - - 250 WATTS Plate Qutput Power - - - - - 18,9 224 kW
MAXIMUM RATINGS D-C Grid Voltage [1]
-635 V
MAXIMUM RATINGS D-C Grid Voltage - - - - - -635 -625 \volts
MAXIMUM RATINGS D-C Grid Voltage [2]
-625 V
MAXIMUM RATINGS D-C Grid Voltage - - - - - -635 -625 \volts
D-C PLLATE VOLTAGE [1]
7000 V
D-C PLLATE VOLTAGE - - - 7000 VOLTS D-C Plate Current - - - - - 4.0 4.0 amps
D-C PLLATE VOLTAGE [2]
4 V
D-C PLLATE VOLTAGE - - - 7000 VOLTS D-C Plate Current - - - - - 4.0 4.0 amps
D-C PLLATE VOLTAGE [3]
4 V
D-C PLLATE 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 - - - - - 545 530 mA
D-C PLATE CURRENT [2]
545 A
D-C PLATE CURRENT - - - 4.0 AMPS D-C Grid Current - - - - - 545 530 mA
D-C PLATE CURRENT [3]
530 A
D-C PLATE CURRENT - - - 4.0 AMPS D-C Grid Current - - - - - 545 530 mA
PLATE DISSIPATION [1]
10 W
PLATE DISSIPATION - - - 10 KW Driving Power - - - - - 3700 4100 watts
PLATE DISSIPATION [2]
3700 W
PLATE DISSIPATION - - - 10 KW Driving Power - - - - - 3700 4100 watts
PLATE DISSIPATION [3]
4100 W
PLATE DISSIPATION - - - 10 KW Driving Power - - - - - 3700 4100 watts
GRID DISSIPATION [1]
250 W
GRID DISSIPATION - - - - 250 WATTS Plate Qutput Power - - - - - 20.5 245 kW

Data set 02

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 03

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 04

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
DC plate voltage 6000
7000 V
Typical operation
DC grid voltage -535
-625 V
Typical operation
DC plate current 4.0
4 A
Typical operation
DC grid current* 0.545
530 mA
Typical operation
Peak RF cathode voltage
400 V
Typical operation
Driving power
1510 W
Typical operation
Plate output power 20.5
24500 W
Typical operation
DC plate voltage
7000 V
Maximum ratings (per tube)
DC plate current
4 A
Maximum ratings (per tube)
Plate dissipation
10000 W
Maximum ratings (per tube)
Grid dissipation
250 W
Maximum ratings (per tube)