Tube-number record
21FKP22
0 archive entries
21FKP22 is a tube type in the TubeDatabase archive (class: Color Picture Tube). Recorded specifications: brand RCA, year 1961, construction Display / CRT, socket CRT base (B12 family), and maximum plate voltage 27500 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassColor Picture Tube
BaseCRT base (B12 family)
Filament6.3 V @ 1800 mA
Construction
Primary TypeDisplay / CRT
EnvelopeAll-Glass
SectionsThree-Gun
Filament / Heater
Heater NotesParalleled within tube
Absolute Maximum Ratings
Plate Voltage27500 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Example 1 | 20000 V | — | — | — | — |
| Example 2 | 25000 V | — | — | — | — |
Application Notes
Designed for color television receivers. Shielding may be needed for X-ray radiation if operated at voltages up to 27.5kV.
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