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

YD1170

Mullard external-anode power triode for high-power industrial Class C oscillator service. Rated for approximately 10 kW plate dissipation and 7.2 kV plate voltage for substantial continuous high-frequency power generation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
5.8 V / 130 A

Description

The Mullard YD1170 is an external-anode industrial Class C oscillator triode in the YD1170 family.

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
5.8 V
Nominal heater current
130 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
750 Ω
Transconductance
0.04 S
Amplification factor
30
Max plate voltage
7200 V
Max plate dissipation
10000 W
Max cathode current
4 A

Industrial Class C 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

    120 MHz

  • Maximum Plate Voltage

    7200 V

  • Maximum Plate Dissipation

    10000 W

  • Operating Frequency

    120 MHz

    ClassC; IndustrialOscillator

  • RF Output Power Less Drive

    15.4 kW

    ClassC; IndustrialOscillator

  • Plate Voltage

    6000 V

    ClassC; 120MHz

  • Plate Current

    3.4 A

    ClassC; 120MHz

  • RF Output Power

    16.2 kW

    ClassC; 120MHz

  • Efficiency

    79.4 percent

    ClassC; 120MHz

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Filament voltage

    5.8 V

  • Filament current

    130 A

  • Transconductance

    40000 uS

  • Amplification factor

    30

Capacitance

  • Anode to filament capacitance

    0.8 pF

  • Grid to filament capacitance

    47 pF

  • Anode to grid capacitance

    25 pF

Other

  • Maximum anode voltage

    7200 V

  • Maximum anode current

    4 A

  • Maximum anode dissipation

    10000 W

  • Operating frequency

    120 MHz

    IndustrialClassC

  • Operating anode voltage

    6000 V

    IndustrialClassC;Frequency=120MHz

  • Operating anode current

    3.4 A

    IndustrialClassC;Frequency=120MHz

  • Anode output power

    16100 W

    IndustrialClassC;Frequency=120MHz

  • Frequency for full ratings

    120 MHz

Construction

  • Cooling system

    ForcedAir