Tube-number record
3BDP-
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BrandDu Mont
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
Sections1
Filament / Heater
Heater NotesHeater current 0.6 A at 6.3 V
Absolute Maximum Ratings
Plate Voltage2750 V
Plate Dissipation6 W
Grid 2 Voltage1100 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- 3 x 1 1/2-Inch rectangular face
- Electrostatic deflection
- Electrostatic focus
- Rigid gun structure
- Pressed faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation (1000V Accelerator) | 1000 V | — | — | — | — |
| Typical Operation (2000V Accelerator) | 2000 V | — | — | — | — |
Application Notes
Designed for small, light weight oscillograph applications. Replacement for the 3SP-.
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