Tube-number record
3BJP4
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BrandToshiba
ClassCathode-ray Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
Envelope3-inch round face
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesUnipotential Cathode
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation6 W
Grid 2 Voltage410 V
Grid 1 Voltage-125 V
H-C Voltage125 V
Audio Performance
Key Features
- Non-aluminized
- View-finder CRT
- Half-heater-power
- High light output
- High resolution
- Transistorized camera use
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Example 1 | 2500 V | — | — | — | 0.2 mA |
| Example 2 | 3000 V | — | — | — | 0.2 mA |
Application Notes
Especially suitable for transistorized camera use. Requires external single-field ion trap magnet.
Datasheets
Datasheet: 3BJP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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