N30/G
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BrandOsram
ClassOutput Pentode
Filament13V @ 0.3mA
Construction
Primary Typepentode
Envelopecarbonised bulb
Sectionssingle
Filament / Heater
Heater NotesIntended for series running (AC/DC receivers) or parallel running (12-volt car radio or AC mains)
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation8 W
Grid 2 Voltage250 V
Audio Performance
Key Features
- Carbonised bulb
- Universal range
- Indirectly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 250V | 3900 | 7500 | - | 32mA |
| Condition 2 | 180V | - | 4500 | - | 30mA |
Application Notes
Designed for series or parallel operation in AC/DC receivers or 12-volt car batteries. A grid stopping resistance is recommended. Total grid resistance should not exceed 500,000 ohms.
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