Tube-number record
Z 863 X
0 archive entries
Z 863 X is a tube type in the TubeDatabase archive (class: Cold Cathode Relay Tube). Recorded specifications: brand VEB WERK FÜR FERNSEHELEKTRONIK BERLIN, construction Other / special, socket Special / none, and maximum plate voltage 270 V. The archive does not yet hold a photographed example of this type.
BrandVEB WERK FÜR FERNSEHELEKTRONIK BERLIN
ClassCold Cathode Relay Tube
BaseSpecial / none
Construction
Primary TypeOther / special
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage270 V
Grid 1 Voltage155 V
Cathode Current40 mA
Audio Performance
Key Features
- Pure metal cathode
- Noble gas filled
- DC voltage operation
- Radioactive material for ignition stability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Relay Operation | 220 V | — | — | — | 20 mA |
Application Notes
Used in relay and counting circuits. Designed for operation with negative starter electrode voltage (2nd quadrant ignition).
Datasheets
Datasheet: Z863X.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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