Tube-number record
ML-7003
0 archive entries
ML-7003 is a tube type in the TubeDatabase archive (class: Shielded Grid Triode). Recorded specifications: brand Machlett, year 1964, construction Triode, base Metal, socket Special / none, maximum plate voltage 45000 V, and maximum plate dissipation 3000 W. The archive does not yet hold a photographed example of this type.
BrandMachlett
ClassShielded Grid Triode
BaseSpecial / none
Filament6 V @ 60000 mA
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
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse Modulator (Operation 1) | 35000 V | — | — | 200 | 40000 mA |
| Pulse Modulator (Operation 2) | 40000 V | — | — | 200 | 80000 mA |
Application Notes
Primarily designed for switch tube service in hard-tube pulse modulators for radar and similar applications.
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