COUNTER DEKATRON
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ClassCold Cathode Counting Tube
BaseB27A
Construction
Primary TypeCold Cathode Gas-filled
EnvelopeGlass
Base MaterialModified B26A
Sections10-way
Filament / Heater
Absolute Maximum Ratings
Plate Voltage440 V
Grid 1 Voltage-100 V
Cathode Current3 mA
Audio Performance
Key Features
- Bi-directional
- Auxiliary anodes
- Routing guides
- Digitron readout compatible
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Recommended Operating Conditions | 475V | - | 390000 | - | 0.62mA |
Application Notes
Cathodes 1-9 are commoned internally. Auxiliary anodes can provide negative pulses for Digitron register tubes.
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