8212
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BrandSYLVANIA
ClassMedium Mu Triode
BaseE9-1 Miniature Button
Filament6.3V @ 460mA
Construction
Primary Typetriode
EnvelopeT-6 1/2
SectionsSingle
Filament / Heater
Heater NotesParallel or Series connection
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation10 W
Cathode Current75 mA
H-C Voltage200 V
Audio Performance
Key Features
- Long life
- Stable performance under high altitude
- Severe shock and vibration resistant
- Cathode follower applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 105V | 29000 | 965 | 28 | 25mA |
Application Notes
The Type 8212 is a miniature medium mu triode intended primarily for cathode follower applications. It is characterized by long life and stable performance under conditions of high altitude, severe shock, vibration and high temperature.
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