Tube-number record
LZ319
0 archive entries
LZ319 is a tube type in the TubeDatabase archive (class: Triode Pentode). Recorded specifications: brand Marconi Osram, year 1954, construction Indirectly heated, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 1.7 W. The archive does not yet hold a photographed example of this type.
BrandMarconi Osram
ClassTriode Pentode
BaseNoval (B9A)
Filament9 V @ 0.3 mA
Construction
Primary TypeIndirectly heated
EnvelopeTubular
SectionsTriode-Pentode
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 170 V | 6000 | — | — | 10 mA |
| Triode | 100 V | 5000 | 4000 | 20 | 14 mA |
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