8526
0 Tubes in archive
BrandToshiba
ClassMedium-mu twin triode
Base8-pin sub-miniature socket
Filament6.3V @ 300mA
Construction
Primary TypeTriode
EnvelopeMetal shell
Base MaterialCeramic
SectionsTwin
Filament / Heater
Heater NotesHeater-cathode type
Absolute Maximum Ratings
Plate Voltage165 V
Plate Dissipation0.95 W
Grid 1 Voltage-55 V
Cathode Current22 mA
H-C Voltage200 V
Audio Performance
Key Features
- Micro metal miniature construction
- Metal shell
- Ceramic stem
- Designed for general purpose amplifier applications
- Maintains emission capabilities after long periods of operation under cutoff conditions
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each section | 100V | 5000 | 4000 | 20 | 8.5mA |
Application Notes
The 8526 may also be used as a combined oscillator and mixer in high frequency up to VHF range circuit. In on-off control applications, the tube will maintain its emission capabilities after long periods of operation under cutoff conditions.
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