Tube-number record
25AJP22
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BrandRCA
ClassColor Picture Tube
BaseDiheptal
Filament6.3 V @ 900 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJEDEC No.FP196-1/2
Base MaterialGlass
Sections3
Filament / Heater
Heater NotesSeries connected heaters; Current 900mA at 6.8V; Operating condition 6.3V.
Absolute Maximum Ratings
Plate Voltage27500 V
Grid 2 Voltage1000 V
Grid 1 Voltage-400 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
- Aluminized
- Tricolor Phosphor-Dot
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each Gun | 25000 V | — | — | — | — |
Application Notes
X-Radiation shielding may be needed for anode voltages as high as 27.5 kV. Heater supply recommended to be regulated at 6.3V for maximum cathode life.
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