Tube-number record
117Z4GT
0 archive entries
117Z4GT is a tube type in the TubeDatabase archive (class: Half-wave Rectifier). Recorded specifications: brand TUNG-SOL, year 1948, construction Rectifier, base Intermediate shell 6-pin, socket Octal, and maximum plate voltage 117 V. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassHalf-wave Rectifier
BaseOctal
Filament117 V @ 40 mA
Construction
Primary TypeRectifier
EnvelopeT-9 glass bulb
Base MaterialIntermediate shell 6-pin
Sections1
Filament / Heater
Heater NotesAC OR DC
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condenser-Input Filter | 117 V | — | 30 | — | 90 mA |
Application Notes
The 117Z4GT is a half-wave rectifier designed for service in three-way portable receivers. If filter condensers larger than 40 uF are used, it may be necessary to use additional plate supply impedance.
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