SCREEN-PENTODE
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BrandOSRAM
ClassPentode
Base7-pin
Filament4V @ 1mA
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly Heated
Absolute Maximum Ratings
Plate Voltage250 V
Grid 2 Voltage100 V
Audio Performance
Key Features
- Carbonised bulb
- Available metallised
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Amplifier | 250V | 2400 | 25000 | - | 3.3mA |
| Detector (Grid Leak) | 250V | 4000 | 25000 | - | 9.5mA |
| Detector (Anode Bend) | 250V | - | 100000 | - | 1.5mA |
Application Notes
Suitable for operation in the High Frequency portion of a receiver, or as a Detector or Low Frequency amplifier.
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