Tube-number record
1AS5/1U5-SF
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BrandThe Federation of Japan Electric Communication Industrial Associations
ClassDiode-Pentode
BaseMiniature 7-pin (B7G)
Construction
Primary TypeMulti-section
EnvelopeT-5 1/2
Sections2
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage90 V
Grid 2 Voltage80 V
Cathode Current2 mA
Audio Performance
Key Features
- Coated filament
- Miniature button 7-pin base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 67.5 V | 600 | 800000 | — | 1.6 mA |
Application Notes
Registration Data RETMA June 11, 1956
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