ZM1000
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ClassIndicator Tube
Base55702
Construction
Primary TypeCold Cathode
EnvelopeSide-viewing glass indicator tube
Base MaterialPhenolic (socket 55702)
SectionsTen numeral cathodes (0-9), one decimal point, one primer, one common anode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage170 V
Cathode Current12 mA
Audio Performance
Key Features
- Long-life
- Side viewing
- Includes decimal point
- Primer for ionization without delay
- Compatible with 0.1 in grid printed wiring
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| D.C. operation | 170V | - | - | - | 2.5mA |
Application Notes
Primer allows ionization without delay in strobe type or blanking applications. Bulb temperatures below 10°C result in reduced life expectancy. Constant current operation is recommended for wide temperature ranges.
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