21BTP4
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BrandSylvania
ClassTelevision Picture Tube
BaseB6-63
Filament6.3V @ 0.6mA
Construction
Primary TypeCRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
MaterialAluminized P4
Warm-up Time11s
Heater NotesWarm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage550 V
Grid 1 Voltage-155 V
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized Screen
- Gray Filter Glass
- Direct Viewed
- Magnetic Deflection
- Single Field Ion Trap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 16000V | - | - | - | - |
Application Notes
Heater warm-up time is the time required for the voltage across the heater terminals to increase to 5.0 volts in the JETEC test circuit.
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