Tube-number record
Z805U
0 archive entries
Z805U is a tube type in the TubeDatabase archive (class: Gas-filled Relay Tube). Recorded specifications: brand Philips, construction Other / special, socket Noval (B9A), and maximum plate voltage 450 V. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassGas-filled Relay Tube
BaseNoval (B9A)
Construction
Primary TypeOther / special
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage450 V
Grid 1 Voltage155 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| D.C. Operation | 250 V | — | — | — | 20 mA |
| A.C. Operation | 230 V | — | — | — | 25 mA |
Application Notes
Primarily intended for use in A.C. circuits, relay service, D.C. timers, and photo-electric control service. Requires anode screen and cathode screen connected via 10 MOhm resistors.
Datasheets
Datasheet: Z805U.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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