Tube-number record
5702WB
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BrandMazda Belvu
ClassPentode Subminiature
BaseSpecial / none
Filament6.3 V @ 0.2 mA
Construction
Primary TypePentode
EnvelopeA 10-11
Sections1
Filament / Heater
Heater NotesAlimentation du filament en parallèle
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
- High Reliability
- UHF Amplifier
- Subminiature
- Missile Grade
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Amplifier | 120 V | 5000 | 340000 | — | 7.5 mA |
Application Notes
Conçu pour une fiabilité élevée sous régime mécanique sévère, chocs et vibrations.
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