KD63
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BrandFerranti
ClassVoltage Reference Tube
BaseB3B/A
Construction
Primary TypeCold-cathode Diode
EnvelopeSubminiature glass
Sections1
Filament / Heater
Absolute Maximum Ratings
Cathode Current2.5 mA
Audio Performance
Key Features
- Subminiature neon filled
- Rugged design
- Shock and vibration resistant
- High order of stability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Reference | 62V | - | - | - | 1.1mA |
Application Notes
Because of the constancy of ignition voltage this valve can readily be employed in voltage overload protection devices for instruments. For maximum stability the valve should be given a preliminary run of 15 minutes.
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