EC 55
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BrandPHILIPS
ClassU.H.F. DISC-SEAL TRIODE
BaseDisc Seal
Filament6.3V @ 0.4mA
Construction
Primary TypeTriode
EnvelopeDisc Seal
SectionsSingle
Filament / Heater
Heater Notesindirect by A.C. or D.C. parallel supply
Absolute Maximum Ratings
Plate Voltage350 V
Plate Dissipation10 W
Grid 1 Voltage-50 V
Cathode Current40 mA
Audio Performance
Key Features
- Disc-seal triode
- Up to 3000 Mc/s
- Indirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical characteristics | 250V | 6000 | - | 30 | 20mA |
Application Notes
Disc-seal triode designed for use as oscillator, amplifier or frequency multiplier up to 3000 MHz.
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