Tube-number record
19BUP4
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BrandPhilco
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament2.2 V @ 102 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesHeater-cathode package designed to operate at less than 0.25 W
Absolute Maximum Ratings
Plate Voltage18750 V
Grid 2 Voltage250 V
H-C Voltage200 V
Audio Performance
Key Features
- Electrostatic focus
- Magnetic deflection
- Straight electron gun requiring no ion trap
- Metal backed screen
- Hard lead stem
- 114 degree deflection
- Low power heater
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 14000 V | — | — | — | — |
Application Notes
The 19BUP4 reaches an acceptable brightness level at a fraction of the time required of conventional picture tubes. X-ray radiation shielding may be necessary if operated at anode voltages higher than 16,000 volts.
Datasheets
Datasheet: 19BUP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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