Tube-number record
5MP1
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BrandDu Mont
ClassCathode-Ray Tube
Base7-pin (non-miniature)
Filament2.5 V @ 2.1 mA
Construction
Primary TypeDisplay / CRT
EnvelopeC4244YIC
SectionsSingle
Filament / Heater
Heater NotesRatings allow max 2.9V and 2.1 +/- 0.3A
Absolute Maximum Ratings
Plate Voltage1500 V
Grid 2 Voltage1000 V
Audio Performance
Key Features
- Small bright spot at low accelerating voltage
- Electrostatic focus
- Electrostatic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 1000V Operation | 1000 V | — | — | — | — |
| 1500V Operation | 1500 V | — | — | — | 1.33 mA |
Application Notes
Designed for oscillographic applications where simplicity is important.
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