Tube-number record
21CYP22-A
0 archive entries
21CYP22-A is a tube type in the TubeDatabase archive (class: Color Picture Tube). Recorded specifications: brand RCA, year 1960, construction Display / CRT, base Small-Shell Neodiheptal, socket CRT base (B12 family), maximum plate voltage 25000 V, and maximum plate dissipation 25 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassColor Picture Tube
BaseCRT base (B12 family)
Filament6.3 V @ 1600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeAll-Glass
Base MaterialSmall-Shell Neodiheptal
Sections3-Gun
Filament / Heater
Heater NotesParalleled heaters for three unipotential cathodes
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation at 25kV Ultor | 25000 V | — | — | — | — |
Application Notes
Recommended for use in color television receivers. Shielding for X-ray radiation may be needed if operated at voltages up to 25 kilovolts. High-voltage power supply should be energy-limited type.
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