Z70W
0 Tubes in archive
ClassCold-cathode trigger tube
BaseSubminiature
Construction
Primary TypeSubminiature
EnvelopeGlass
SectionsTwo identical starters
Filament / Heater
Absolute Maximum Ratings
Plate Voltage310 V
Cathode Current4 mA
Audio Performance
Key Features
- Subminiature cold-cathode
- Dual identical starters
- Life expectancy > 30,000 hrs
- Forward and backward counting capability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| DC typical | 250V | - | - | - | 3mA |
Application Notes
Characteristics identical to Z70U except for dual starters and slightly higher starter transfer current. Suitable for reset of a counter without additional tubes.
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