Tube-number record
SHIELDED GRID TRIODE
0 archive entries
SHIELDED GRID TRIODE is a tube type in the TubeDatabase archive (class: Pulse Modulator Switch Tube). Recorded specifications: brand Machlett, year 1964, construction Triode, base Metal, socket Special / none, maximum plate voltage 65000 V, and maximum plate dissipation 3000 W. The archive does not yet hold a photographed example of this type.
BrandMachlett
ClassPulse Modulator Switch Tube
BaseSpecial / none
Filament6 V @ 60 mA
Construction
Primary TypeTriode
EnvelopeGlass-Metal
Base MaterialMetal
Sections1
Filament / Heater
MaterialOxide-coated
Warm-up Time10s
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse Modulator | 60000 V | — | — | 400 | 25000 mA |
| Pulse Modulator (High Output) | 65000 V | — | — | 400 | 65000 mA |
Application Notes
The ML-7002 is designed for forced flow oil cooling and immersion in dielectric fluid for high voltage insulation.
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