Tube-number record
8236
0 archive entries
8236 is a tube type in the TubeDatabase archive (class: Industrial Electron Tube). Recorded specifications: brand Tung-Sol, year 1963, construction Beam tetrode / beam power, base Large wafer octal with sleeve, JETEC No. B8-98, socket Octal, maximum plate voltage 1000 V, and maximum plate dissipation 50 W. The archive does not yet hold a photographed example of this type.
BrandTung-Sol
ClassIndustrial Electron Tube
BaseOctal
Filament6.3 V @ 2.5 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeJEDEC T-12 (Hard Glass)
Base MaterialLarge wafer octal with sleeve, JETEC No. B8-98
SectionsSingle
Filament / Heater
Heater NotesHeater voltage tolerance +/- 10%
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy and F-M Telephony (CCS) | 700 V | 10500 | — | 3.3 | 200 mA |
| Class C Telegraphy and F-M Telephony (ICAS) | 900 V | 10500 | — | 3.3 | 227 mA |
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