Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Power - Triode ·Triode

Z5387

High-mu metal-ceramic planar power triode for grounded-grid Class C continuous-wave and pulsed VHF/UHF service extending above 3 GHz. Compact geometry and high gain support specialized microwave-frequency power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6 V / 1.05 A

Description

High-mu metal-and-ceramic planar triode for VHF/UHF grounded-grid Class-C CW or pulsed power service above 3000 MHz.

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
6 V
Nominal heater current
1.05 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
Transconductance
0.0275 S
Amplification factor
75
Max plate voltage
1700 V
Max plate dissipation
10 W
Max grid dissipation
2 W
Max cathode current
10 mA

Promoted fields mapped semantically from printed ratings/characteristics headings; pulsed and microwave-specific limits remain in parameter rows when fixed-field semantics are ambiguous.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • will operated from the low frequencies to above

    3000 MHz

    will operated from the low frequencies to above 3000 megacycles. Cooling of

  • with sufficient additional forced air to limit the maximum temperature at

    250 C

    with sufficient additional forced air to limit the maximum temperature at 250 C.

  • Peak Pulse-Plate~Supply Voltage

    3500 V

    Peak Pulse-Plate~Supply Voltage 3500 Volts

  • Pulse Length

    6 us

    Pulse Length 6 Microseconds

  • Negative DC Grid Voltage

    150 V

    Negative DC Grid Voltage 150 Volts

  • Positive Peak Grid Voltage

    250 V

    Positive Peak Grid Voltage 250 Volts

  • Negative Peak Grid Voltage

    750 V

    Negative Peak Grid Voltage 750 Volts

  • Plate Dissipation

    10 W

    Plate Dissipation 10 Watts

  • Grid Dissipation

    2 W

    Grid Dissipation 2.0 Watts

  • Average Plate Current

    10 mA

    Average Plate Current 10 Milliamperes

  • Peak Plate Current

    3 A

    Peak Plate Current 3.0 Amperes

  • Average Grid Current

    5 mA

    Average Grid Current 5.0 Milliamperes

  • Frequency

    3000 MHz

    Frequency 3000 Megacycles

Capacitance

  • conditions+

    6.3 V

    conditions+ 6.3 Volts

  • Heater Current

    1.05 A

    Heater Current 1.05 Amperes

  • Ep =

    600 V

    Ep = 600 volts 22,000 24,800 27,500 Micromhos

  • Voltage =

    0 V

    Voltage = 0 volts

  • Grid to Plate 1.89 2.01

    2.13 pf

    Grid to Plate 1.89 2.01 2.13 pf

  • Grid to Cathode 6.0 6.5

    7 pf

    Grid to Cathode 6.0 6.5 7.00 pf

  • Plate to Cathode, maximum 0.018 0.023

    0.029 pf

    Plate to Cathode, maximum 0.018 0.023 0.029 pf

  • Condition+

    250 C

    Condition+ 250 C

Characteristic

  • Amplifier

    1100 MHz

    Amplifier - 1100 Megacycles

  • Heater Voltage

    6 V

    Heater Voltage 6.0 Volts

  • DC Plate Voltage

    1700 V

    DC Plate Voltage 1700 Volts

  • DC Grid Voltage

    -45 V

    DC Grid Voltage -45 Volts

  • Pulse Length

    3.5 us

    Pulse Length 3.5 Microseconds

  • Peak Plate Current

    1.9 A

    Peak Plate Current 1.9 Amperes

  • Peak Grid Current

    1.1 A

    Peak Grid Current 1.1 Amperes

  • Driving Power during Pulse, approximate

    400 W

    Driving Power during Pulse, approximate 400 Watts

  • Peak Useful Power Output, approximate

    1500 W

    Peak Useful Power Output, approximate 1500 Watts

  • PublishedData

    400 MHz

    400 megacycles, recommendations are to be obtained from the tube manufacturer