Tube-number record
21CYP22A
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BrandSYLVANIA
ClassColor Television Picture Tube
BaseCRT base (B12 family)
Filament6.3 V @ 1600 mA
Construction
Primary TypeOther / special
EnvelopeRound Glass
Sections3
Filament / Heater
Heater NotesParallel heater supply
Absolute Maximum Ratings
Plate Voltage27500 V
Grid 2 Voltage660 V
Grid 1 Voltage440 V
Cathode Current1 mA
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized Screen
- Three-Color Phosphor Dot
- Filter Glass Faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Example Operation | 25000 V | — | — | — | — |
| Example Operation 2 | 20000 V | — | — | — | — |
Application Notes
Recommended Grid No. 3 power supply be limited-energy type. Grid No. 3 circuit resistance should be limited to 7.5 Megohms.
Datasheets
Datasheet: 21CYP22A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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