Tube-number record
ZM1000
0 archive entries
ZM1000 is a tube type in the TubeDatabase archive (class: Indicator Tube). Recorded specifications: year 1976, construction Other / special, base Phenolic (socket 55702), socket Special / none, and maximum plate voltage 170 V. The archive does not yet hold a photographed example of this type.
ClassIndicator Tube
BaseSpecial / none
Construction
Primary TypeOther / special
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 | 170 V | — | — | — | 2.5 mA |
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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