E 415
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BrandPhilips Miniwatt
ClassIndirectly heated triode
BaseO 35
Filament4V @ 1mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation1.5 W
Grid 1 Voltage-1.3 V
Cathode Current15 mA
H-C Voltage50 V
Audio Performance
Key Features
- Detector with transformer coupling
- L.F. amplifier with transformer coupling
- Oscillator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal | 200V | 1400 | 11000 | 15 | 6mA |
| Maximum Slope | 200V | 2400 | - | - | - |
Application Notes
The E 415 is designed for use as a detector, low frequency amplifier, or oscillator. It features indirect heating with a 4V heater.
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