Tube-number record
GR 43
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ClassCold Cathode Relay Tube
BaseFlexible / flying leads
Construction
Primary TypeOther / special
EnvelopeSubminiature
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Grid 1 Voltage122 V
Cathode Current5 mA
Audio Performance
Key Features
- Molybdenum cathode
- Subminiature design
- Flying leads
- Independent of illumination
- Positive starter operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 220 V | — | — | — | 3 mA |
Application Notes
Used in logic circuits, automatic switching, electronic timers, and counters. Control by impulses, photo-resistors, or high impedance contacts.
Datasheets
Datasheet: GR43.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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