21EYP4
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BrandSYLVANIA
ClassTelevision Monitor Tube
BaseSmall Shell Duodecal 6-Pin
Filament6.3V @ 650mA
Construction
Primary TypeCRT
EnvelopeRectangular Glass
Base MaterialSmall Shell Duodecal
Sections1
Filament / Heater
Heater Notes0.65 Ampere
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage700 V
Grid 1 Voltage-180 V
H-C Voltage200 V
Audio Performance
Key Features
- Low Voltage Electrostatic Focus
- Magnetic Deflection
- No Ion Trap
- High Resolution
- Aluminized Screen
- External Conductive Coating
- Spherical Faceplate
- Gray Filter Glass
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 18000V | - | - | - | - |
Application Notes
X-ray radiation shielding may be necessary if operated at higher than 16,000 volts.
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