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Tube Database (7,341 tube types · 1,270 archive entries)

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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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 Type
Multi-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

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Section67.5 V600800000—1.6 mA

Application Notes

Registration Data RETMA June 11, 1956

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