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

TY65000B

High-power VHF transmitting triode for telegraphy, telephony, television, and Class B audio service. Approximately 5 kW plate dissipation and multi-kilovolt capability support substantial RF and audio-frequency power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12.6 V / 33 A

Description

High-power VHF transmitting triode for telegraphy, telephony, TV, and Class B audio 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
12.6 V
Nominal heater current
33 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
0.017 S
Amplification factor
32
Max plate voltage
6200 V
Max plate dissipation
5000 W
Max grid dissipation
120 W
Max cathode current
1.85 A

Promoted from published Mullard absolute-maximum/limiting-value and characteristic tables; service-specific limits retained in parameter rows.

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

Characteristic

  • HeaterOrFilamentVoltage

    12.6 V

  • HeaterOrFilamentCurrent

    33 A

  • Grid To Plate Capacitance

    11 pF

  • Input Capacitance

    16 pF

  • Output Capacitance

    0.3 pF

  • Transconductance

    17 mA/V

  • Amplification Factor

    32

  • Cooling

    Forced air

Other

  • MaxPlateVoltage

    6.2 kV

    ClassC;Telegraphy;Frequency<=75MHz

  • MaxPlateVoltage

    5 kV

    ClassC;Telephony

  • MaxPlateVoltage

    4 kV

    TV;Frequency=220MHz

  • MaxCathodeCurrent

    1.85 A

    ClassC;Telegraphy

  • MaxPlateDissipation

    5 kW

    ClassBOrClassC

  • MaxGridCurrent

    350 mA

    ClassC

  • MaxGridDissipation

    120 W

  • Frequency

    30 MHz

    ClassC;TelegraphyOrFMTelephony

  • Plate Voltage

    6 kV

    ClassC;TelegraphyOrFMTelephony

  • Plate Current

    1.5 A

    ClassC;TelegraphyOrFMTelephony

  • Grid Voltage

    -400 V

    ClassC;TelegraphyOrFMTelephony

  • Grid Current

    310 mA

    ClassC;TelegraphyOrFMTelephony

  • Plate Dissipation

    2.1 kW

    ClassC;TelegraphyOrFMTelephony

  • Power Output

    6.9 kW

    ClassC;TelegraphyOrFMTelephony

  • LoadPower

    5.5 kW

    ClassC;TelegraphyOrFMTelephony

  • Efficiency

    76.5 %

    ClassC;TelegraphyOrFMTelephony

  • Frequency

    110 MHz

    ClassC;TelegraphyOrFMTelephony

  • Plate Voltage

    5 kV

    ClassC;TelegraphyOrFMTelephony

  • Plate Current

    1.25 A

    ClassC;TelegraphyOrFMTelephony

  • Grid Voltage

    -300 V

    ClassC;TelegraphyOrFMTelephony

  • Grid Current

    300 mA

    ClassC;TelegraphyOrFMTelephony

  • Plate Dissipation

    1.45 kW

    ClassC;TelegraphyOrFMTelephony

  • Power Output

    4.8 kW

    ClassC;TelegraphyOrFMTelephony

  • LoadPower

    3.9 kW

    ClassC;TelegraphyOrFMTelephony

  • Efficiency

    70 %

    ClassC;TelegraphyOrFMTelephony

  • Plate Voltage

    6 kV

    ClassB;Audio;TwoTubes;PushPull

  • Plate Current

    3 A

    ClassB;Audio;TwoTubes;PushPull

  • Grid Voltage

    -165 V

    ClassB;Audio;TwoTubes;PushPull

  • Grid Current

    560 mA

    ClassB;Audio;TwoTubes;PushPull

  • Plate Dissipation

    5 kW

    ClassB;Audio;TwoTubes;PushPull

  • Power Output

    13.3 kW

    ClassB;Audio;TwoTubes;PushPull