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

8162

Eimac high-mu forced-air-cooled external-anode power triode with flexible base leads. Approximately 3 kW plate dissipation and very high amplification factor suit high-power zero-bias linear RF and audio amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 7.5 V / 51 A

Description

8162/3CX3000F7 high-mu forced-air power triode with flexible base leads.

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: 51 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: 5000 V
Max plate dissipation: 3000 W
Max grid dissipation: 225 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]
8162
The Eimac 8162/3X3000F7 is an external-anode power triode
The Eimac [2]
3
The Eimac 8162/3X3000F7 is an external-anode power triode
The Eimac [3]
0
The Eimac 8162/3X3000F7 is an external-anode power triode
Voltage
7.5 V
Voltage - - - - 7.5 volts
Current = = =
51 A
Current = = = - 51 amperes | = T
Amplification Factor
200
Amplification Factor - - - - 200 &
Frequency for Maximum Ratings = =
30 MHz
Frequency for Maximum Ratings = = 30 Mc
MAXIMUM RATINGS (Per Tube) D-C Plate Voltage
4000
MAXIMUM RATINGS (Per Tube) D-C Plate Voltage 4000 wvolts
D-C PIATE VOLTAGE [1]
5000 V
D-C PIATE VOLTAGE 5000 VOLTS D-C Grid Voltage 0 volts
D-C PIATE VOLTAGE [2]
0 V
D-C PIATE VOLTAGE 5000 VOLTS D-C Grid Voltage 0 volts
D-C PLATE CURRENT [1]
2.5 A
D-C PLATE CURRENT 2.5 AMPS Zero-8ig D-C Plate Current* 0.640 amps
D-C PLATE CURRENT [2]
8 A
D-C PLATE CURRENT 2.5 AMPS Zero-8ig D-C Plate Current* 0.640 amps
D-C PLATE CURRENT [3]
640 mA
D-C PLATE CURRENT 2.5 AMPS Zero-8ig D-C Plate Current* 0.640 amps
PLATE DISSIPATION [1]
3 A
PLATE DISSIPATION 3 KW Max-Sig D-C Plate Current 4.00 amps
PLATE DISSIPATION [2]
4 A
PLATE DISSIPATION 3 KW Max-Sig D-C Plate Current 4.00 amps
GRID DISSIPATION [1]
225 A
GRID DISSIPATION 225 WATTS Max-8Sig D-C Grid Current 0.860 -amps
GRID DISSIPATION [2]
8 A
GRID DISSIPATION 225 WATTS Max-8Sig D-C Grid Current 0.860 -amps
GRID DISSIPATION [3]
860 mA
GRID DISSIPATION 225 WATTS Max-8Sig D-C Grid Current 0.860 -amps
Driving Power
120 W
Driving Power 120 watts
Peak A-F Driving Voltage (per tube)
185
Peak A-F Driving Voltage (per tube) 185 wvolts
Load Resistance, Plate-to-Plate
2200 ohm
Load Resistance, Plate-to-Plate 2200 ohms
Max [1]
8 W
Max-8ig Plate Output Power 11,000 watts
Max [2]
11000 W
Max-8ig Plate Output Power 11,000 watts
MAXIMUM RATINGS D-C Plate Voltage [1]
4000
MAXIMUM RATINGS D-C Plate Voltage 4000 5000 wvolts
MAXIMUM RATINGS D-C Plate Voltage [2]
5000
MAXIMUM RATINGS D-C Plate Voltage 4000 5000 wvolts
D-C PLATE VOLTAGE [1]
5000 V
D-C PLATE VOLTAGE 5000 VOLTS Zero-Sig D-C Plate Current* 0.32 0.44 amps
D-C PLATE VOLTAGE [2]
0.32 V
D-C PLATE VOLTAGE 5000 VOLTS Zero-Sig D-C Plate Current* 0.32 0.44 amps
D-C PLATE VOLTAGE [3]
0.44 V
D-C PLATE VOLTAGE 5000 VOLTS Zero-Sig D-C Plate Current* 0.32 0.44 amps
D-C PLATE CURRENT [1]
2.5 A
D-C PLATE CURRENT 2.5 AMPS Max~Sig D-C Plate Current 2.00 1.56 amps
D-C PLATE CURRENT [2]
2 A
D-C PLATE CURRENT 2.5 AMPS Max~Sig D-C Plate Current 2.00 1.56 amps
D-C PLATE CURRENT [3]
1.56 A
D-C PLATE CURRENT 2.5 AMPS Max~Sig D-C Plate Current 2.00 1.56 amps
PLATE DISSIPATION [1]
3 A
PLATE DISSIPATION 3 KW Max-Sig D-C Grid Current 0.42 0.33 amps
PLATE DISSIPATION [2]
420 mA
PLATE DISSIPATION 3 KW Max-Sig D-C Grid Current 0.42 0.33 amps
PLATE DISSIPATION [3]
330 mA
PLATE DISSIPATION 3 KW Max-Sig D-C Grid Current 0.42 0.33 amps
GRID DISSIPATION [1]
225 W
GRID DISSIPATION 225 WATTS Driving Impedance 50 50 ohms

Data set 02

1965 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Grounded-Filament Input Capacitance
38 pF
Grounded-Filament Output Capacitance
0.6 pF
Grounded-Filament Grid-Plate Capacitance
24 pF
Grounded-Grid Input Capacitance
38 pF
Grounded-Grid Output Capacitance
24 pF
Grounded-Grid Plate-Cathode Capacitance
0.6 pF
Frequency Maximum
30 MHz
RF Plate Voltage Maximum
5000 V
RF Plate Current Maximum
2.5 A
Typical Power Gain Minimum
20 ratio
Forced-Air Cooling Required
1 boolean

Data set 03

1975 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Grounded-Filament Input Capacitance
38 pF
Grounded-Filament Output Capacitance
0.6 pF
Grounded-Filament Grid-Plate Capacitance
24 pF
Grounded-Grid Input Capacitance
38 pF
Grounded-Grid Output Capacitance
24 pF
Grounded-Grid Plate-Cathode Capacitance
0.6 pF
Frequency Maximum
30 MHz
RF Plate Voltage Maximum
5000 V
RF Plate Current Maximum
2.5 A

Characteristic

Typical Power Gain Minimum
20 ratio
GroundedGrid

Data set 04

1976 Eimac Tube Manual

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Grounded-Filament Input Capacitance
38 pF
Grounded-Filament Output Capacitance
0.6 pF
Grounded-Filament Grid-Plate Capacitance
24 pF
Grounded-Grid Input Capacitance
38 pF
Grounded-Grid Output Capacitance
24 pF
Grounded-Grid Plate-Cathode Capacitance
0.6 pF
Frequency Maximum
30 MHz
RF Plate Voltage Maximum
5000 V
RF Plate Current Maximum
2.5 A

Characteristic

Typical Power Gain Minimum
20 ratio
GroundedGrid

Data set 05

199X Svetlana

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Current @
7.5 V
amplifiers. A modern mesh filament is used,
Input
38 pF
amplifiers. A modern mesh filament is used,
Output
24 pF
amplifiers. A modern mesh filament is used,
Feedback
0.6 pF
amplifiers. A modern mesh filament is used,
Input
38 pF
amplifiers. A modern mesh filament is used,
Output
0.6 pF
amplifiers. A modern mesh filament is used,
Feedback
24 pF
amplifiers. A modern mesh filament is used,
Maximum frequency for full ratings (CW)
75 MHz
amplifiers. A modern mesh filament is used,

Other

DC plate voltage
5000 V
Maximum Ratings
DC plate current
2.5 A
Maximum Ratings
Plate dissipation
4000 W
Maximum Ratings
Grid dissipation
225 W
Maximum Ratings
(Frequencies to
30 MHz
Typical Operation
Plate Voltage 4000 4800
4800 V
Typical Operation
Zero-signal plate current* 0.25 0.35
350 mA
Typical Operation
Single-tone plate current 2.00 1.68
2 A
Typical Operation
Grid bias 0 0
0 V
Typical Operation
Single-tone grid current* 0.61 0.46
600 mA
Typical Operation
Peak driving power 420 293
410 W
Typical Operation
Plate dissipation 2285 2275
2775 W
Typical Operation
Single-tone plate output power 6030 6000
7266 W
Typical Operation
Resonant load impedance 1210 1720
1425 Ohms
Typical Operation
Driving impedance 47.5 50.0
46.3 Ohms
Typical Operation
DC Plate voltage
5000 V
Maximum Ratings
DC Plate current
2.5 A
Maximum Ratings
Plate dissipation
4000 W
Maximum Ratings
Grid dissipation
225 W
Maximum Ratings
(Frequencies to
110 MHz
Typical operation
Plate voltage 3500
4800 V
Typical operation
Grid voltage -50
-60 V
Typical operation
Plate current 1.30
1.54 A
Typical operation
Grid current* 0.42
480 mA
Typical operation
Peak RF cathode voltage* 220
267 V
Typical operation
Calculated driving power* 310
435 W
Typical operation