8530
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BrandToshiba
ClassSharp-Cutoff Pentode
Base8-pin subminiature
Filament6.3V @ 150mA
Construction
Primary TypePentode
EnvelopeMetal shell
Base MaterialCeramic
SectionsSingle
Filament / Heater
Heater NotesCoated unipotential cathode
Absolute Maximum Ratings
Plate Voltage165 V
Plate Dissipation1.1 W
Grid 2 Voltage155 V
Grid 1 Voltage-55 V
Cathode Current16.5 mA
H-C Voltage200 V
Audio Performance
Key Features
- Micro metal miniature construction
- Metal shell
- Ceramic stem
- Severe shock and vibration resistant
- High-frequency up to 400 Mc
- Maintain emission after long cutoff periods
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 amplifier | 100V | 5000 | 260000 | - | 7.5mA |
Application Notes
Designed for RF or IF amplifier in high-frequency broad-band circuits of industrial and military airborne equipment. Suitable for on-off control applications.
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