Tube-number record
EC57
0 archive entries
EC57 is a tube type in the TubeDatabase archive (class: Disc-seal Triode). Recorded specifications: brand Philips, construction Triode, base Octal base with 1/2"-32NS-2B Thread, socket Octal, maximum plate voltage 300 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassDisc-seal Triode
BaseOctal
Filament6.3 V @ 650 mA
Construction
Primary TypeTriode
EnvelopeDisc-seal
Base MaterialOctal base with 1/2"-32NS-2B Thread
SectionsSingle
Filament / Heater
Heater NotesIndirect heating by A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Characteristics | 180 V | 17000 | — | 43 | 30 mA |
| RF Amplifier (f = 4000 MHz) | 200 V | — | — | — | 60 mA |
Application Notes
Specifically designed as a broad-band micro-wave amplifier in grounded grid circuits. Forced air cooling may be required. Shocks perpendicular to the axis should be avoided.
Datasheets
Datasheet: EC57.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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