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

Voltage - Triode (single) ·Triode

5768

High-mu planar triode designed primarily as a grounded-grid continuous-wave amplifier across approximately the 1–3 GHz frequency range.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 400 mA

Description

High-mu planar triode designed primarily as a grounded-grid continuous-wave amplifier in the 1000-3000 MHz range.

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
6.3 V
Nominal heater current
400 mA
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
0.0045 S
Amplification factor
85
Max plate voltage
350 V
Max plate dissipation
4 W

Published maximum ratings and characteristics promoted semantically from the approved source.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Transconductance

    4500 µS

  • Amplification Factor

    85

Other

  • Maximum Plate Voltage

    350 V

  • Maximum Plate Dissipation

    4 W

  • Plate Voltage

    180 V

    Cathode resistor 400 ohm

  • Plate Current

    4 mA

  • Operating Frequency Maximum

    3000 MHz