Tube-number record
GC 10D
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GC 10D is a tube type in the TubeDatabase archive (class: Scale-of-ten Counter Tube). Recorded specifications: construction Other / special, socket Special / none, and maximum plate voltage 420 V. The archive does not yet hold a photographed example of this type.
ClassScale-of-ten Counter Tube
BaseSpecial / none
Construction
Primary TypeOther / special
EnvelopeGlass
SectionsScale-of-ten
Filament / Heater
Absolute Maximum Ratings
Plate Voltage420 V
Grid 2 Voltage180 V
Grid 1 Voltage-140 V
Cathode Current12 mA
Audio Performance
Key Features
- Single-pulse operation
- Visual indication through dome
- Cold cathode
- Bi-directional counting possible
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single-pulse Operation | 475 V | — | 330000 | — | 0.8 mA |
Application Notes
To reduce the effect of stray capacity to a minimum it is essential that the anode resistor be wired not more than 5 mm from tag 4 on the valve holder.
Datasheets
Datasheet: GC10D.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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