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

TY612A

Forced-air-cooled VHF power triode for very-high-power transmitting service. Approximately 10 kW plate dissipation and high current capability support published RF output in the tens-of-kilowatts range.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 154 A

Description

Forced-air-cooled VHF power triode rated for about 17 kW output.

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
154 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
60
Max plate voltage
5500 V
Max plate dissipation
10000 W
Max cathode current
7.5 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

    6.3 V

  • HeaterOrFilamentCurrent

    154 A

  • Grid To Plate Capacitance

    29 pF

  • Input Capacitance

    65 pF

  • Output Capacitance

    0.6 pF

  • Amplification Factor

    60

  • MaximumOperatingFrequency

    220 MHz

  • Cooling

    Forced air

Other

  • MaximumOperatingFrequency

    110 MHz

    FullRatings

  • MaximumOperatingFrequency

    220 MHz

    ReducedRatings

  • MaxPlateVoltage

    5.5 kV

  • MaxPlateDissipation

    10 kW

  • MaxGridVoltageMagnitude

    500 V

  • MaxGridCurrent

    1.5 A

  • MaxCathodeCurrent

    7.5 A

  • PeakCathodeCurrentMaximum

    40 A

  • Frequency

    110 MHz

    ClassC

  • Plate Voltage

    5 kV

    ClassC

  • Grid Voltage

    -300 V

    ClassC

  • Plate Current

    4.8 A

    ClassC

  • Grid Current

    1.2 A

    ClassC

  • DriverPower

    2.75 kW

    ClassC

  • Plate Dissipation

    9 kW

    ClassC

  • Efficiency

    62.5 %

    ClassC

  • Power Output

    15.42 kW

    ClassC