Tube-number record
21YP4B
0 archive entries
21YP4B is a tube type in the TubeDatabase archive (class: Picture Tube). Recorded specifications: brand RCA, year 1964, construction Rectangular Glass, socket Duodecal, and maximum plate voltage 20000 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassPicture Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeRectangular Glass
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage20000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid-Drive Service | 16000 V | — | — | — | — |
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