30F5
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BrandSiemens Edison Swan Limited
ClassTelevision Pentode
BaseNoval (B9A)
Filament7.3V @ 0.3mA
Construction
Primary TypePentode
EnvelopeT6.5
SectionsSingle
Filament / Heater
Heater NotesSuitable for AC/DC series operation
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation3 W
Grid 2 Voltage250 V
H-C Voltage200 V
Audio Performance
Key Features
- AC/DC series operation
- Internal shield
- Clear bulb
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Amplifier | 170V | 8800 | - | 65 | 10mA |
Application Notes
The 30F5 is intended for use as a straight television pentode and is suitable for AC/DC series operation. Mounting position is unrestricted.
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