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ML-7003

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BrandMachlett
ClassShielded Grid Triode
BaseAnode radiator support
Filament6V @ 60000mA

Construction

Primary Typetriode
EnvelopeGlass-to-metal
Base MaterialMetal
Sectionssingle

Filament / Heater

Heater NotesCathode warm-up time 10 minutes. Heater starting current maximum 300000 mA.

Absolute Maximum Ratings

Plate Voltage45000 V
Plate Dissipation3000 W
Grid 1 Voltage-600 V
Cathode Current90000 mA

Audio Performance

Key Features
  • Shielded-grid triode
  • Unipotential, oxide-coated cathode
  • Forced-air cooled anode
  • Protects cathode/grid from transient arcs
  • Low grid-plate capacitance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pulse Modulator (Operation 1)35000V--20040000mA
Pulse Modulator (Operation 2)40000V--20080000mA

Application Notes

Primarily designed for switch tube service in hard-tube pulse modulators for radar and similar applications.

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