EC158
0 Tubes in archive
BrandPhilips
ClassDisc seal triode
BaseOctal
Filament6.3V @ 900mA
Construction
Primary TypeTriode
EnvelopeDisc Seal
Sections1
Filament / Heater
Heater NotesIndirectly heated A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation30 W
Grid 1 Voltage-50 V
Cathode Current170 mA
H-C Voltage50 V
Audio Performance
Key Features
- L cathode
- High current density
- No pre-heating necessary
- Long life
- Withstands ionic and electronic bombardment
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Characteristics 1 | 180V | 22000 | 1363.6 | 30 | 140mA |
| Typical Characteristics 2 | 180V | - | - | - | 60mA |
| Amplifier at 4200 Mc/s | 200V | - | - | - | 140mA |
Application Notes
Used as broad-band amplifier or oscillator at frequencies up to 4000 Mc/s. Capable of 5.3W output at 4200 Mc/s.
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