Tube-number record
EFP 60
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BrandPhilips
ClassSecondary emission pentode
BaseNoval (B9A)
Filament6.3 V @ — mA
Construction
Primary TypePentode
Envelopeglass
Base Materialglass
Sectionssingle
Filament / Heater
Heater NotesIndirect heating, parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2 W
Grid 2 Voltage300 V
Grid 1 Voltage-1.3 V
Cathode Current30 mA
H-C Voltage50 V
Audio Performance
Key Features
- Secondary emission
- High transconductance
- Television application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Stabilised Amplifier | 250 V | 25000 | 10000 | 110 | 20 mA |
Application Notes
Specifically designed for television wide-band amplifier purposes.
Datasheets
Datasheet: EFP60.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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