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Power - Triode ·Triode

TD0310

Mullard disc-seal triode for common-grid or grounded-anode RF oscillator and power-amplifier service. Its low-inductance construction supports operation to roughly 1 GHz.

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

Description

The Mullard TD0310 is a disc-seal triode for common-grid/earthed-anode oscillator or RF power amplifier 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
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
Plate resistance
5000 Ω
Transconductance
0.006 S
Amplification factor
30
Max plate voltage
350 V
Max plate dissipation
10 W

Disc-seal triode for common-grid/earthed-anode oscillator or RF power amplifier service.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Heater/Filament Voltage

    6.3 V

  • Heater/Filament Current

    400 mA

  • Transconductance

    6000 uS

  • Amplification Factor

    30 ratio

  • Plate Resistance

    5000 ohm

  • Plate Voltage

    250 V

  • Grid Voltage

    -3.5 V

  • Plate Current

    20 mA

  • Plate-Grid Capacitance

    11 pF

  • Plate-Cathode Capacitance

    0.02 pF

  • Grid-Cathode Capacitance

    22 pF

Other

  • Maximum Plate Voltage

    350 V

  • Maximum Plate Dissipation

    10 W

  • Maximum Operating Frequency

    1000 MHz

  • RF Output Power

    18 W

    Representative