Tube-number record
19DFP4
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BrandPhilco
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater Notes11 seconds warm-up time
Absolute Maximum Ratings
Plate Voltage22000 V
Grid 2 Voltage80 V
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized screen
- Spherical faceplate
- Non-ion trap gun
- Internal shielding
- Electrostatic focus
- Magnetic deflection
- HiGm tube
- Low G2 voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive | 16000 V | — | — | — | — |
Application Notes
Designed to operate in cathode drive service under Low G2 voltage conditions. X-ray radiation shielding may be necessary if operated above 16,000V.
Datasheets
Datasheet: 19DFP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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