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

YD1182

High-power RF triode for industrial oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
7 V / 175 A

Description

The Mullard YD1182 is a water-cooled external-anode ceramic-metal triode for high-power Class C industrial oscillators.

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
7 V
Nominal heater current
175 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
Plate resistance
825 Ω
Transconductance
0.04 S
Amplification factor
33
Max plate voltage
9000 V
Max plate dissipation
20000 W
Max cathode current
6 A

High-power industrial oscillator triode.

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

Other

  • Maximum Operating Frequency

    80 MHz

  • Maximum Plate Voltage

    9000 V

  • Maximum Plate Dissipation

    20000 W

  • Operating Frequency

    80 MHz

    ClassC; IndustrialOscillator

  • Plate Voltage

    7500 V

    ClassC

  • Plate Current

    5.4 A

    ClassC

  • RF Output Power Less Drive

    30 kW

    ClassC

  • Efficiency

    80 percent

    ClassC

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Filament voltage

    7 V

  • Filament current

    175 A

  • Transconductance

    40000 uS

  • Amplification factor

    33

Capacitance

  • Anode to filament capacitance

    1 pF

  • Grid to filament capacitance

    66 pF

  • Anode to grid capacitance

    32 pF

Other

  • Maximum anode voltage

    9000 V

  • Maximum anode current

    6 A

  • Maximum anode dissipation

    20000 W

  • Operating frequency

    27.12 MHz

    IndustrialClassC

  • Operating anode voltage

    7500 V

    IndustrialClassC;Frequency=27.12MHz

  • Operating anode current

    5.4 A

    IndustrialClassC;Frequency=27.12MHz

  • Anode output power

    33000 W

    IndustrialClassC;Frequency=27.12MHz

  • Frequency for full ratings

    100 MHz

Construction

  • Cooling system

    Water