8213
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BrandSYLVANIA
ClassTriode
BaseE8-10, Subminiature Button
Filament6.3V @ 380mA
Construction
Primary TypeMedium-mu triode
EnvelopeT-3
SectionsSingle
Filament / Heater
Heater NotesParallel or Series connection
Absolute Maximum Ratings
Plate Voltage300 V
Grid 1 Voltage-40 V
Cathode Current50 mA
H-C Voltage200 V
Audio Performance
Key Features
- Subminiature
- Long life
- Severe shock resistance
- High temperature operation
- Stable performance
- Unipotential cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 105V | 23000 | 1348 | - | 23mA |
Application Notes
The Type 8213 is a subminiature 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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