Tube-number record
8393
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BrandSYLVANIA
ClassCold cathode, bidirectional decade counter tube
Base13-pin
Construction
Primary TypeOther / special
EnvelopeGlass
Sections10 cathodes
Filament / Heater
Absolute Maximum Ratings
Plate Voltage800 V
Grid 2 Voltage140 V
Cathode Current0.6 mA
Audio Performance
Key Features
- Bidirectional decade counter
- Top viewed readout
- All 10 cathodes individual pins
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operating Characteristics | 350 V | — | — | — | — |
Application Notes
Two separate pulses, back to back or with slight overlap, must be maintained for drive. Peak pulse output voltage can be determined by the IR drop across the chosen cathode resistor.
Datasheets
Datasheet: 8393.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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