22UP22
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BrandRCA
ClassColor Picture Tube
BaseSmall-Button Diheptar 12-pin (JEDEC 14BE)
Filament6.3V @ 900mA
Construction
Primary TypeAluminized, Tricolor, Phosphor-Dot
Envelope90° Rectangular Glass
Base MaterialPlastic
SectionsTriple Gun (RGB)
Filament / Heater
Heater NotesEach gun series connected within tube
Absolute Maximum Ratings
Plate Voltage27500 V
Grid 2 Voltage1000 V
Cathode Current1 mA
H-C Voltage200 V
Audio Performance
Key Features
- Perma-Chrome
- Banded-Type Implosion Protection
- HI-LITE Screen
- New Rare-Earth (Red) Phosphor
- Unity Current Ratios
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Visual Cutoff Design Range | 25000V | - | - | - | - |
Application Notes
Shielding for X-radiation may be needed at anode voltages as high as 27.5kV. Grid-No.3 focusing electrode voltage range is 16.8% to 20% of anode voltage.
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