Tube-number record
SC-3185
0 archive entries
SC-3185 is a tube type in the TubeDatabase archive (class: Character Writing Tube). Recorded specifications: brand SYLVANIA, construction Display / CRT, socket CRT base (B12 family), and maximum plate voltage 22000 V. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassCharacter Writing Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope21-inch Rectangular Glass
SectionsCharacter Writing and Television Display
Filament / Heater
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage700 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 15000 V | — | — | — | — |
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