Tube-number record
Z70W
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ClassCold-cathode trigger tube
BaseSubminiature
Construction
Primary TypeOther / special
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 | 250 V | — | — | — | 3 mA |
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.
Datasheets
Datasheet: Z70W.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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