Tube-number record
EC157
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BrandPhilips
ClassDisc Seal Triode
BaseOctal
Filament6.3 V @ 735 mA
Construction
Primary TypeTriode
EnvelopeDisc Seal
Base MaterialMetal/Glass
SectionsSingle
Filament / Heater
Heater NotesIndirect by A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation12.5 W
Grid 1 Voltage-50 V
Cathode Current70 mA
H-C Voltage50 V
Audio Performance
Power Output1.8 W
Key Features
- Grounded-grid microwave circuits
- Broad-band power amplifier
- Disc seal construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Amplifier | 180 V | 21000 | 2048 | 43 | 60 mA |
Application Notes
Recommended for use as power amplifier in microwave grounded-grid circuits. Mounting position: Any. Special attention should be paid to shocks in transportable equipment.
Datasheets
Datasheet: EC157.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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