12AC5
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BrandPhilips
ClassRemote cut-off R.F. pentode
Base8-pin
Filament12.6V @ 100mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesUnipotential cathode
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Grid 2 Voltage250 V
Cathode Current10 mA
H-C Voltage150 V
Audio Performance
Key Features
- Remote cut-off characteristic
- Internal shield
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Pentode | 200V | 2000 | 1000000 | 18 | 2.2mA |
Application Notes
Mounting position: Any. Grid No. 1 bias for transconductance of 23 µmhos is -35V.
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