Tube-number record
8212
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BrandSYLVANIA
ClassMedium Mu Triode
BaseNoval (B9A)
Filament6.3 V @ 460 mA
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 | 105 V | 29000 | 965 | 28 | 25 mA |
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.
Datasheets
Datasheet: 8212.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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