Tube-number record
MF 13-1
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BrandPhilips
ClassRadar Cathode Ray Tube
BaseOctal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRound glass, 13 cm (5")
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesIndirect heating by AC or DC; series or parallel supply
Absolute Maximum Ratings
Plate Voltage11000 V
Grid 2 Voltage500 V
Grid 1 Voltage200 V
Cathode Current0.15 mA
H-C Voltage150 V
Audio Performance
Key Features
- Metal-backed screen
- Aluminized
- Orange afterglow
- Magnetic focusing
- Double magnetic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Magnetic focusing and deflection | 7000 V | — | — | — | — |
Application Notes
The tube has a screen which is liable to burn if a stationary or slowly moving spot is used even with low values of mean beam current. When used in a series heater chain, voltage must not exceed 9.5 V at switch on.
Datasheets
Datasheet: MF13-1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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