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

3400Z

Eimac 3-400Z compact high-mu zero-bias power triode for grounded-grid Class B audio and RF amplification, with oscillator capability. Its approximately 400 W plate dissipation and high amplification factor provide strong power gain through VHF frequencies.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
SPECIAL5
Base pins
-
Nominal heater
5 V / 14.7 A

Description

The Eimac 3400Z/3-400Z is a compact zero-bias high-mu power triode for class-B audio and radio-frequency amplifier service, with RF oscillator capability.

Socket description

Special 5-pin transmitting-tube base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SPECIAL5
Base pins
-
Nominal heater voltage
5 V
Nominal heater current
14.7 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
4000 V
Max plate dissipation
400 W
Max grid dissipation
20 W

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]

    8163

    The EIMAC 8163/3-400Z is a compact power triode intended to be used

  • The EIMAC [2]

    3

    The EIMAC 8163/3-400Z is a compact power triode intended to be used

  • The EIMAC [3]

    -400

    The EIMAC 8163/3-400Z is a compact power triode intended to be used

  • a power gain as high as twenty times can be obtained with the

    8163

    a power gain as high as twenty times can be obtained with the 8163/

  • Voltage .. ... ...ttt ieeenn

    50

    Voltage .. ... ...ttt ieeenn 50 V

  • Amplification Factor (Average)

    200

    Amplification Factor (Average) ... .............. 200

  • Interelectrode Capacitances (Average)?

    2

    Interelectrode Capacitances (Average)?2Grounded-Grid Connection:

  • Frequency for Maximum Ratings

    110 MHz

    Frequency for Maximum Ratings .................. 110 MHz

  • Published value

    2

    2. Capacitance values are for a cold tube as measured in a special shielded fixture in accordance with Electronic In-

  • GROUNDED-GRID, Class B

    1 kW

    GROUNDED-GRID, Class B 1 kW PEP Input)

  • MAXIMUM RATINGS: Plate Voltage

    2500

    MAXIMUM RATINGS: Plate Voltage . . . .. ........... 2500 Vdc

  • Zero Sig. Plate Current! ,

    73

    Zero Sig. Plate Current! , . .. .. ... 73 mAdc

  • DC PLATEVOLTAGE [1]

    4000 V

    DC PLATEVOLTAGE .. ......... 4000 VOLTS Single Tone Plate Current . .. .... 400 mAdc

  • DC PLATEVOLTAGE [2]

    400 V

    DC PLATEVOLTAGE .. ......... 4000 VOLTS Single Tone Plate Current . .. .... 400 mAdc

  • DC PLATE CURRENT

    400 mA

    DC PLATE CURRENT .. ......... 0.40 AMPERE Single Tone Gtid Current1. . . ...

  • PLATE DISSIPATION [1]

    400 W

    PLATE DISSIPATION ........... 400 WATTS Two Tone Plate Current . . . .. .. .. 274 mAdc

  • PLATE DISSIPATION [2]

    274 W

    PLATE DISSIPATION ........... 400 WATTS Two Tone Plate Current . . . .. .. .. 274 mAdc

  • GRID DISSIPATION [1]

    20 W

    GRID DISSIPATION . .......... 20 WATTS Two Tone Grid Currentl, , . . ... ... 82 mAdc

  • GRID DISSIPATION [2]

    82 W

    GRID DISSIPATION . .......... 20 WATTS Two Tone Grid Currentl, , . . ... ... 82 mAdc

  • Driving Impedance

    114

    Driving Impedance . ........... 114 Q

  • Plate Voltage [1]

    3000

    Plate Voltage ................ 3000 Vvdc Max. Sig. Driving Power1 .. ... ... 44 W

  • Plate Voltage [2]

    44

    Plate Voltage ................ 3000 Vvdc Max. Sig. Driving Power1 .. ... ... 44 W

  • Zero Sig. Plate Current1 .. ., [1]

    100

    Zero Sig. Plate Current1 .. ., ...... 100 mAdc Intermodulation Distortion Products 2. -35 dB

  • Zero Sig. Plate Current1 .. ., [2]

    2

    Zero Sig. Plate Current1 .. ., ...... 100 mAdc Intermodulation Distortion Products 2. -35 dB

  • Zero Sig. Plate Current1 .. ., [3]

    -35

    Zero Sig. Plate Current1 .. ., ...... 100 mAdc Intermodulation Distortion Products 2. -35 dB

  • Max. Sig. Plate Current

    333

    Max. Sig. Plate Current . ... ... ... 333 mAdc

  • Max. Sig. Grid Current1

    120

    Max. Sig. Grid Current1 . . .. ... ... 120 mAdc TYPICAL OPERATION (Minimum Distortion Products

  • Driving Impedance [1]

    122

    Driving Impedance .. ........... 122 Q with Ep = 1500 Vdc)

  • Driving Impedance [2]

    1500

    Driving Impedance .. ........... 122 Q with Ep = 1500 Vdc)

  • Resonant Load Impedance

    4750

    Resonant Load Impedance . . .. ..... 4750 )

  • Max. Sig. Driving Power [1]

    1

    Max. Sig. Driving Power 1. .. ... ... 2w Plate Voltage ............... 1500 Vdc

  • Max. Sig. Driving Power [2]

    2

    Max. Sig. Driving Power 1. .. ... ... 2w Plate Voltage ............... 1500 Vdc

  • Max. Sig. Driving Power [3]

    1500

    Max. Sig. Driving Power 1. .. ... ... 2w Plate Voltage ............... 1500 Vdc

  • Peak Envelope Plate Output Power

    656

    Peak Envelope Plate Output Power . . . 656 W Zero Sig. Plate Current1., . ., ...

  • Single Tone Plate Current . . ,

    400

    Single Tone Plate Current . . , .... 400 mAdc

  • TYPICAL OPERATION (Minimum Distortion Products) Single Tone Grid Current [1]

    1

    TYPICAL OPERATION (Minimum Distortion Products) Single Tone Grid Current 1, . . .... 163 mAdc

  • TYPICAL OPERATION (Minimum Distortion Products) Single Tone Grid Current [2]

    163

    TYPICAL OPERATION (Minimum Distortion Products) Single Tone Grid Current 1, . . .... 163 mAdc

  • Two Tone Plate Current

    265

    Two Tone Plate Current .. ...... 265 mAdc

  • Plate Voltage [1]

    2000

    Plate Voltage ................ 2000 Vdc Two Tone Grid Current 1. . . . . . . .. 92 mAdc

  • Plate Voltage [2]

    1

    Plate Voltage ................ 2000 Vdc Two Tone Grid Current 1. . . . . . . .. 92 mAdc

  • Plate Voltage [3]

    92

    Plate Voltage ................ 2000 Vdc Two Tone Grid Current 1. . . . . . . .. 92 mAdc

  • Published value [1]

    62

    .. 62 mAdc Driving Impedance . ........... 109 Q

  • Published value [2]

    109

    .. 62 mAdc Driving Impedance . ........... 109 Q

  • Single Tone Plate Current [1]

    400

    Single Tone Plate Current . . . ... ... 400 mAdc Resonant Load Impedance . .. ... .. 1620 )

  • Single Tone Plate Current [2]

    1620

    Single Tone Plate Current . . . ... ... 400 mAdc Resonant Load Impedance . .. ... .. 1620 )

  • Single Tone Grid Current [1]

    1

    Single Tone Grid Current 1. . . . .. ... 148 mAdc Peak Envelope Useful Output Power?t, 300 W

  • Single Tone Grid Current [2]

    148

    Single Tone Grid Current 1. . . . .. ... 148 mAdc Peak Envelope Useful Output Power?t, 300 W

  • Single Tone Grid Current [3]

    300

    Single Tone Grid Current 1. . . . .. ... 148 mAdc Peak Envelope Useful Output Power?t, 300 W

  • Two Tone Plate Current [1]

    265

    Two Tone Plate Current . . . ... .... 265 mAdc Max, Sig. Driving Powerl . .. ... .. 46 W

  • Two Tone Plate Current [2]

    46

    Two Tone Plate Current . . . ... .... 265 mAdc Max, Sig. Driving Powerl . .. ... .. 46 W

  • Two Tone Grid Current? [1]

    87

    Two Tone Grid Current? . . . .. .... 87 mAdc Intermodulation Distortion Products2 . -37 dB

  • Two Tone Grid Current? [2]

    -37

    Two Tone Grid Current? . . . .. .... 87 mAdc Intermodulation Distortion Products2 . -37 dB

  • Driving Impedance

    112

    Driving Impedance .. ........... 112 Q

  • Resonant Load Impedance [1]

    2750

    Resonant Load Impedance . . ....... 2750 Q 1. Approximate value.

  • Resonant Load Impedance [2]

    1

    Resonant Load Impedance . . ....... 2750 Q 1. Approximate value.

  • Peak Envelope Useful Output Power! [1]

    445

    Peak Envelope Useful Output Power! . . 445 W 2. Approximate value: referenced against one tone of

  • Peak Envelope Useful Output Power! [2]

    2

    Peak Envelope Useful Output Power! . . 445 W 2. Approximate value: referenced against one tone of

  • MAXIMUM RATINGS (PER TUBE): Plate Voltage

    3000

    MAXIMUM RATINGS (PER TUBE): Plate Voltage ............... 3000 Vdc

  • Grid Voltage

    0

    Grid Voltage . .............. 0 Vdc

  • DC PLATE VOLTAGE [1]

    4000 V

    DC PLATE VOLTAGE .......... 4000 VOLTS Zero Sig. Plate Currentl . . . ... ... 200 mAdc

  • DC PLATE VOLTAGE [2]

    200 V

    DC PLATE VOLTAGE .......... 4000 VOLTS Zero Sig. Plate Currentl . . . ... ... 200 mAdc

  • DC PLATE CURRENT [1]

    400 mA

    DC PLATE CURRENT . ......... 0.40 AMPERE Max. Sig, Plate Current . ... ..... 666 mAdc

  • DC PLATE CURRENT [2]

    666 A

    DC PLATE CURRENT . ......... 0.40 AMPERE Max. Sig, Plate Current . ... ..... 666 mAdc

  • PLATE DISSIPATION [1]

    400 W

    PLATE DISSIPATION . ......... 400 WATTS Max. Sig. Grid Current! . .. ... ... 240 mAdc

  • PLATE DISSIPATION [2]

    240 W

    PLATE DISSIPATION . ......... 400 WATTS Max. Sig. Grid Current! . .. ... ... 240 mAdc

  • GRID DISSIPATION

    20 W

    GRID DISSIPATION . ......... 20 WATTS

  • DrivingPower1

    26

    DrivingPower1. . ... .......... 26 W

  • Peak af Driving Voltage(per tube)l

    88

    Peak af Driving Voltage(per tube)l. . . 88 v

  • Load Resistance, Plate/Plate

    9500

    Load Resistance, Plate/Plate . .. .. 9500 £}

  • Max. Sig. Plate Output Power1, . .,

    1310

    Max. Sig. Plate Output Power1, . ., .. 1310 W

  • Plate Voltage

    3000

    Plate Voltage . . .............. 3000 Vdc

  • Plate Current

    333

    Plate Current . .. . ... ......... 333 mAdc

  • DC PLATE VOLTAGE [1]

    4000 V

    DC PLATE VOLTAGE ... ........ 4000 VOLTS GridVoltage . ............... -75 Vdc

  • DC PLATE VOLTAGE [2]

    -75 V

    DC PLATE VOLTAGE ... ........ 4000 VOLTS GridVoltage . ............... -75 Vdc

  • DC PLATECURRENT [1]

    350 mA

    DC PLATECURRENT ........... 0.35 AMPERE GridCurrent?. . . . ............ 130 mAdc

  • DC PLATECURRENT [2]

    130 A

    DC PLATECURRENT ........... 0.35 AMPERE GridCurrent?. . . . ............ 130 mAdc

  • PLATE DISSIPATION [1]

    400 W

    PLATE DISSIPATION . .......... 400 WATTS Peak rf Grid Voltagel . ... ....... 187 v

  • PLATE DISSIPATION [2]

    187 W

    PLATE DISSIPATION . .......... 400 WATTS Peak rf Grid Voltagel . ... ....... 187 v

  • GRID DISSIPATION [1]

    20 W

    GRID DISSIPATION ........... 20 WATTS Grid Driving Power1 ., .. .. ... .. 25 W

  • GRID DISSIPATION [2]

    25 W

    GRID DISSIPATION ........... 20 WATTS Grid Driving Power1 ., .. .. ... .. 25 W

  • Piate Qutput Powerl

    730

    Piate Qutput Powerl .. ......... 730 W

  • Plate Voltage

    3000

    Plate Voltage . ............... 3000 Vdc

  • Plate Current

    245

    Plate Current . ... ............ 245 mAdc

  • DC PLATE VOLTAGE [1]

    3000 V

    DC PLATE VOLTAGE . ......... 3000 vOLTS Grid Voltage .. ..............: -90 Vdc

  • DC PLATE VOLTAGE [2]

    -90 V

    DC PLATE VOLTAGE . ......... 3000 vOLTS Grid Voltage .. ..............: -90 Vdc

  • DC PLATE CURRENT [1]

    275 mA

    DC PLATE CURRENT . ......... 0.275 AMPERE Grid Current? . . .. ............ 100 mAdc

  • DC PLATE CURRENT [2]

    100 A

    DC PLATE CURRENT . ......... 0.275 AMPERE Grid Current? . . .. ............ 100 mAdc

  • PLATE DISSIPATION [1]

    270 W

    PLATE DISSIPATION .......... 270 WATTS Peak rf Grid Voltage2, . . ......... 185 v

  • PLATE DISSIPATION [2]

    185 W

    PLATE DISSIPATION .......... 270 WATTS Peak rf Grid Voltage2, . . ......... 185 v

  • GRID DISSIPATION

    20 W

    GRID DISSIPATION ... ....... 20 WATTS

  • Grid Driving Power2 .,

    18

    Grid Driving Power2 ., .. ........ 18 W

  • Published value [1]

    1

    1. Drive modulation is required with a high-mu triode. Plate Output Power2 . ... ........ 550 W

  • Published value [2]

    550

    1. Drive modulation is required with a high-mu triode. Plate Output Power2 . ... ........ 550 W

  • Filament Current, at [1]

    5 V

    Filament Current, at 5.0 volts . ... . . i it ittt ittt et ee e 13.5 147 A

  • Filament Current, at [2]

    13.5 V

    Filament Current, at 5.0 volts . ... . . i it ittt ittt et ee e 13.5 147 A

  • Filament Current, at [3]

    147 V

    Filament Current, at 5.0 volts . ... . . i it ittt ittt et ee e 13.5 147 A

  • Zero Bias Plate Current (Eb = [1]

    3000

    Zero Bias Plate Current (Eb = 3000 Vdc) . .. e e e e 80 115 mAdc

  • Zero Bias Plate Current (Eb = [2]

    80

    Zero Bias Plate Current (Eb = 3000 Vdc) . .. e e e e 80 115 mAdc

  • Zero Bias Plate Current (Eb = [3]

    115

    Zero Bias Plate Current (Eb = 3000 Vdc) . .. e e e e 80 115 mAdc

  • Cut-Off Voltage (Ep = [1]

    3000

    Cut-Off Voltage (Ep = 3000 Vdc, Ip = 1.0mAdc) .......... e e --- -25 Vdc