GR12G
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ClassDigitron Cold-Cathode Letter Tube
BaseB26A
Construction
Primary TypeCold-Cathode
EnvelopeSide-Viewing
Sections12 Character
Filament / Heater
Absolute Maximum Ratings
Cathode Current9 mA
Audio Performance
Key Features
- Side-viewing
- 12 Character (A-L inclusive)
- Cold-cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| D.C. operation | 250V | - | 10000 | - | 7.5mA |
| A.C. operation (50 c.p.s.) | 210V | - | 12000 | - | - |
Application Notes
A cathode left floating will assume some potential between that of the anode and the glowing cathode. Non-glowing cathodes must not be returned to a bias rail, but should be left disconnected.
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