Tube-number record
21CSP4
0 archive entries
21CSP4 is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand Sylvania, year 1957, construction Rectangular Glass, socket CRT base (B12 family), and maximum plate voltage 19600 V. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassTelevision Picture Tube
BaseCRT base (B12 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeRectangular Glass
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesHeater warm-up time is 11 seconds
Absolute Maximum Ratings
Plate Voltage19600 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Direct Viewed CRT | 16000 V | — | — | — | — |
Application Notes
X-ray radiation shielding may be necessary if operated higher than 16,000 volts.
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