Tube-number record
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BrandSylvania
ClassGlow discharge voltage reference tube
BasePlanar / disc seal
Construction
Primary TypeGlow discharge
EnvelopeMetal
Base MaterialCeramic
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Cathode Current3.5 mA
Audio Performance
Key Features
- Extreme ruggedness
- Unusual stability
- Ceramic button base
- External cathode
- Refractory materials
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Reference | 85 V | — | — | — | 2.5 mA |
Application Notes
Cold cathode, gas filled, glow discharge tube designed for service as a voltage reference tube in electronically regulated power supplies. Features superior drift, repeatability, and noise characteristics.
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