Tube-number record
GD87M
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ClassMiniature Voltage Reference Tube
BaseMiniature 7-pin (B7G)
Construction
Primary TypeOther / special
EnvelopeGlass Miniature
Base MaterialGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage115 V
Cathode Current3.5 mA
Audio Performance
Key Features
- Voltage Reference
- Miniature
- Cold Cathode
- Total darkness operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Reference | 87 V | — | — | — | 2.5 mA |
Application Notes
Maximum striking voltage applies in either normal room illumination or in total darkness after 24 hours in the dark.
Datasheets
Datasheet: GD87M.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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