Alternatives & variations Download PDF datasheet

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

3CX10000U7

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: 15 V / 13.5 A

Description

The EIMAC 3CX10000U7 is a forced-air-cooled high-mu vhf/uhf transmitting triode for cathode-driven linear, class-c, and pulsed rf 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: 15 V
Nominal heater current: 13.5 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: 200
Max plate voltage: 6500 V
Max plate dissipation: 10000 W
Max grid dissipation: 100 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

Characteristics

The EIMAC 3CX10,000U7 is a ceramic/metal high-mu
3 a
| The EIMAC 3CX10,000U7 is a ceramic/metal high-mu
pation rating of 10,000 watts, Cavity amplifier
10000 watts
| pation rating of 10,000 watts, Cavity amplifier
The 3CX10,000U7 makes use of a beam-forming cathode
3 a
| The 3CX10,000U7 makes use of a beam-forming cathode
Hea*er VO l *age
5 v
GeneralCharacteristics | Hea*er VO l *age . . - L] . L] - - L] [] - L] L] L] . * * L] L] * * L] * * - . . . L] L] L] L] l 5. 0 t 0. 5 v
Heater Curren*, e 15,0 Volts o 6 6 & 6 8 8,_06 5 0 0 0 o 0 2 0 0 s 0 o 0 e e 0 @ 13,5 A
150 Volts
GeneralCharacteristics | Heater Curren*, e 15,0 Volts o 6 6 & 6 8 8,_06 5 0 0 0 o 0 2 0 0 s 0 o 0 e e 0 @ 13,5 A
Cathode Warmup Time, @ 15,0 Volts (minimum) e e o 8 s s o 06 s o s e s s s e e 300 Sec
150 Volts
GeneralCharacteristics | Cathode Warmup Time, @ 15,0 Volts (minimum) e e o 8 s s o 06 s o s e s s s e e 300 Sec
Amplification Factor (average) e 6 o 6 o o 6 5 5 6 6 6 8 8 6 06 0 0 06 6 00 s e 200
6
GeneralCharacteristics | Amplification Factor (average) e 6 o 6 o o 6 5 5 6 6 6 8 8 6 06 0 0 06 6 00 s e 200
Cin e & & & & 6 @ @ ° @ 8 & 0 & * 0 ® * 6 % 6 ° O & o s s s & 0 8 0 o o s 0o 8605 pF
6 pF
GeneralCharacteristics | Cin e & & & & 6 @ @ ° @ 8 & 0 & * 0 ® * 6 % 6 ° O & o s s s & 0 8 0 o o s 0o 8605 pF
CbUf 8 O ® & o 6 & 0 & 0 O & ¢ & & ° & & & & S 6 6 & 5 5 o ° 6 o s s s 0 0 v o 2302 pF
8 v
GeneralCharacteristics | CbUf 8 O ® & o 6 & 0 & 0 O & ¢ & & ° & & & & S 6 6 & 5 5 o ° 6 o s s s 0 0 v o 2302 pF
Cpk ® ® 6 @& o ® & & 8 & s & 6 8 ° G O O S 8 6 O 6 & 3 s 8 & s e s 0 s s s 0+ 0.25 pF
6 pF
GeneralCharacteristics | Cpk ® ® 6 @& o ® & & 8 & s & 6 8 ° G O O S 8 6 O 6 & 3 s 8 & s e s 0 s s s 0+ 0.25 pF
Cw
260 MHZ
GeneralCharacteristics | Cw - - o . - - - L . * . * . L] L] . L] - L] L] - L] L] L] * - L] . L] . . [] L] . L] L] L] L] 260 MHZ
PU|Sed @ o o o ® & & & @ & & @ & & O & O & & & 5 © o & & 6 6 & o & s o & o s = 500 MHz
5 MHz
GeneralCharacteristics | PU|Sed @ o o o ® & & & @ & & @ & & O & O & & & 5 © o & & 6 6 & o & s o & o s = 500 MHz
3, Capacitance values are for a cold tube as measured in a special shielded fixture in accord
3 a
GeneralCharacteristics | 3, Capacitance values are for a cold tube as measured in a special shielded fixture in accord-

Other

359150 (Effective 1 Sept 82; supersedes 1 Jan 81) Printed in U,S.A,
359150 A
| 359150 (Effective 1 Sept 82; supersedes 1 Jan 81) Printed in U,S.A,
Cafhode wal'mup Time, Q 15.0 Volts a 6 @ & & & o & & 5 2 0 5 s s e 0 0 300
15 Volts
| Cafhode wal'mup Time, Q 15.0 Volts a 6 @ & & & o & & 5 2 0 5 s s e 0 0 300 - SSC
Cin L] [] [ *
83 pF
| Cin L] [] [ * - * - - . L) . * . L] - L] * L] L] - ] - L] L] . L] L] . - L] [J L[] L] 83.0 90.0 pF
mu'r L] L) * L) * ] L) . L) L[] L) L) . L) L) . . ] . . *
22.7 pF
| mu'r L] L) * L) * ] L) . L) L[] L) L) . L) L) . . ] . . * . . - - - . L] . - . L[] [] 22.7 23.7 pF
C'n L) L) L . . L) . L) . . . . . . L] [ * ] . . * . . L) L] . . . . L) . L) . 83.0 90.0 pF
83 pF
| C'n L) L) L . . L) . L) . . . . . . L] [ * ] . . * . . L) L] . . . . L) . L) . 83.0 90.0 pF
(bu* @ & & ° 8 8 & & 5 O P * & 6 & 6 &6 5 s 06 8 & B O O s G s s 0 s 0 0* -= 005 pF
8 pF
| (bu* @ & & ° 8 8 & & 5 O P * & 6 & 6 &6 5 s 06 8 & B O O s G s s 0 s 0 0* -= 005 pF
%p L] . LJ . . L] L] . L] L) . L] . L) L[] L] L) L)
22.7 pF
| %p L] . LJ . . L] L] . L] L) . L] . L) L[] L] L) L) . - . L) . . . . . . LJ L] - L] L) 22.7 23.7 pF
1 values are for a cold tube as measured in a special shielded fixture In accordance with Electronics
1 a
| 1 values are for a cold tube as measured in a special shielded fixture In accordance with Electronics
DC PLATE VOLTAGE . « « « « « 6500 VOLTS PLATE DISSIPATION 4 & ¢« & o o » 10 KILOWATTS
6500 VOLTS
MaximumRatings | DC PLATE VOLTAGE . « « « « « 6500 VOLTS PLATE DISSIPATION 4 & ¢« & o o » 10 KILOWATTS
DC PLATE CURRENT . &« « « « » 4.0 AMPERES GRID DISSIPATION + . o o o o o 100 WATTS
4 AMPERES
MaximumRatings | DC PLATE CURRENT . &« « « « » 4.0 AMPERES GRID DISSIPATION + . o o o o o 100 WATTS
Channel fo (MHz) Gain (dB) + 1 dB BW (MHz)
1 MHz
MaximumRatings | Channel fo (MHz) Gain (dB) + 1 dB BW (MHz)
LOW BAND: EIMAC 4 69 15,3 6.26 Typica! data taken at 2,5 kW single
4 kW
MaximumRatings | LOW BAND: EIMAC 4 69 15,3 6.26 Typica! data taken at 2,5 kW single-
HIGH BAND: EIMAC i 201 16,7 6.27 Typical data taken at 2,5 kW single
201 kW
MaximumRatings | HIGH BAND: EIMAC i 201 16,7 6.27 Typical data taken at 2,5 kW single-
Three-tone test under CCIR loading: Video -8 dB (below 2.5 kW peak output)
-8 kW
MaximumRatings | Three-tone test under CCIR loading: Video -8 dB (below 2.5 kW peak output)
fo = 79 MHz BW 6 MHz Min, + 0,25 dB fo = 177 MHz BW = 6 MHz Min, + 0,25 dB
79 MHz
MaximumRatings | fo = 79 MHz BW 6 MHz Min, + 0,25 dB fo = 177 MHz BW = 6 MHz Min, + 0,25 dB
BW fl 7 MHz Min, + 1,0 dB BW = 7 MHz Min, + 1,0 dB
7 MHz
MaximumRatings | BW fl 7 MHz Min, + 1,0 dB BW = 7 MHz Min, + 1,0 dB
Driving Power * , , , ., . 398 389 W Driving Power * , , ., , , 407 407 W
398 W
MaximumRatings | Driving Power * , , , ., . 398 389 W Driving Power * , , ., , , 407 407 W
Useful Power Output , . . 10 10 KW Useful Power OQutput ., . . 10 10 KW
10 KW
MaximumRatings | Useful Power Output , . . 10 10 KW Useful Power OQutput ., . . 10 10 KW
Efficiency * , ¢« ¢« ¢ o ¢« » 53.2 50.5 4 Efficioncy * v o v o o o » 50,0 50.5 4
53.2 v
MaximumRatings | Efficiency * , ¢« ¢« ¢ o ¢« » 53.2 50.5 4 Efficioncy * v o v o o o » 50,0 50.5 4
DC PLATE CURRENT . . « & &« 4.0 AMPERES Cathode Voltage (bias) ** +42.9 vdc
4 AMPERES
MaximumRatings | DC PLATE CURRENT . . « & &« 4.0 AMPERES Cathode Voltage (bias) ** +42.9 vdc
GRID DISSIPATION o o o o 100 WATTS Single-Tone Plate Current 2,58 Adc
100 WATTS
MaximumRatings | GRID DISSIPATION o o o o 100 WATTS Single-Tone Plate Current 2,58 Adc
Peak rf Driving Voltage * , 120 v
120 v
MaximumRatings | Peak rf Driving Voltage * , 120 v
* May vary with particular installation, Driving Power * ., , ., ., , . 240 W
240 W
MaximumRatings | * May vary with particular installation, Driving Power * ., , ., ., , . 240 W
** Adjust for specified Zero-Signal Plate Current, Single-Tone Usefu! Power Out # 10 kW
10 kW
MaximumRatings | ** Adjust for specified Zero-Signal Plate Current, Single-Tone Usefu! Power Out # 10 kW
# Measured at the load, Resonant Load Impedance ., . 1100 Ohms
1100 Ohms
MaximumRatings | # Measured at the load, Resonant Load Impedance ., . 1100 Ohms
referenced against one tone of a two-equal- 3rd Order « o o o o o o o -45 dB
3 a
MaximumRatings | referenced against one tone of a two-equal- 3rd Order « o o o o o o o -45 dB
design for a maximun anode core temperature of 225
225 a
TYPICAL OPERATION values are obtained by measurement or by calculation from published characteristic | design for a maximun anode core temperature of 225
The cooling data shown is for cooling air at 50°C
50 °C
TYPICAL OPERATION values are obtained by measurement or by calculation from published characteristic | The cooling data shown is for cooling air at 50°C
10000 462 1.52 13,1 7.75 voltage for the 3CX10,000U7 is 15.0 volts and
10000 volts
TYPICAL OPERATION values are obtained by measurement or by calculation from published characteristic | 10000 462 1.52 13,1 7.75 voltage for the 3CX10,000U7 is 15.0 volts and
should be maintained within plus or minus 0,5 volt
5 volt
TYPICAL OPERATION values are obtained by measurement or by calculation from published characteristic | should be maintained within plus or minus 0,5 volt
circuit operate at a "Q" of five or more, 300 MHz, where energy absorption by the human body
300 a
MaximumRatings | circuit operate at a "Q" of five or more, 300 MHz, where energy absorption by the human body
at 2 MHz, Intermoduiation values listed are those stration (OSHA) standard)., 1t is generally
2 MHz
MaximumRatings | at 2 MHz, Intermoduiation values listed are those stration (OSHA) standard)., 1t is generally
of an internal arc, especially in those cases Standard RS~191, This requires the use of a
191 a
MaximumRatings | of an internal arc, especially in those cases Standard RS~191, This requires the use of a
ance of 10 ohms in the positive plate power supply Standard RS-191,
10 ohms
MaximumRatings | ance of 10 ohms in the positive plate power supply Standard RS-191,
of an internal arc, A maximum of four (4) joules
4 A
MaximumRatings | of an internal arc, A maximum of four (4) joules
Carlos, CA 94070 U.S.A
94070 A
MaximumRatings | Carlos, CA 94070 U.S.A.
150 A GROUNDED CATHODE
150 A
MaximumRatings | 150 A GROUNDED CATHODE

Data set 02

1975 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Amplification factor
200
Heater/filament voltage
15 V
Heater/filament current
13.5 A

Other

Maximum plate voltage
6500 V
Maximum plate dissipation
10000 W
Maximum grid dissipation
100 W
Maximum cathode/plate current
4 A
Frequency for maximum ratings
500 MHz
CW maximum frequency
260 MHz
CW
Pulsed maximum frequency
500 MHz
Pulse
Typical single-tone useful power output
10000 W
ClassAB

Capacitance

Input/grid-filament capacitance
86.5 to 86.5 pF
Output/plate-filament capacitance
23.2 to 23.2 pF
Feedback/grid-plate capacitance
0.25 to 0.25 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
200
Heater/filament voltage
15 V
Heater/filament current
13.5 A

Other

Maximum plate voltage
6500 V
Maximum plate dissipation
10000 W
Maximum grid dissipation
100 W
Maximum cathode/plate current
4 A
Frequency for maximum ratings
500 MHz
CW maximum frequency
260 MHz
CW
Pulsed maximum frequency
500 MHz
Pulse
Typical single-tone useful power output
10000 W
ClassAB

Capacitance

Input/grid-filament capacitance
86.5 to 86.5 pF
Output/plate-filament capacitance
23.2 to 23.2 pF
Feedback/grid-plate capacitance
0.25 to 0.25 pF

Construction

Cooling
Forced air