Tube-number record
NL-5558/FG-32
0 archive entries
NL-5558/FG-32 is a tube type in the TubeDatabase archive (class: Mercury Vapor Rectifier). Recorded specifications: brand National Electronics, construction Rectifier, socket 4-pin, and maximum plate voltage 5000 V. The archive does not yet hold a photographed example of this type.
BrandNational Electronics
ClassMercury Vapor Rectifier
Base4-pin
Filament5 V @ 4.5 mA
Construction
Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeGlass
Sections1
Filament / Heater
Warm-up Time300s
Heater NotesIndirectly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Arc Drop | 12 V | — | — | — | 10000 mA |
0 results