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

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Tube-number record

8525

0 archive entries

BrandToshiba
ClassTwin Triode
BaseSubminiature
Filament6.3 V @ 300 mA

Construction

Primary TypeDual triode
EnvelopeMetal shell
Base MaterialCeramic
Sections2

Filament / Heater

Heater NotesHeater-cathode type

Absolute Maximum Ratings

Plate Voltage165 V
Plate Dissipation0.7 W
Grid 1 Voltage-55 V
Cathode Current22 mA
H-C Voltage200 V

Audio Performance

Key Features
  • Medium-mu
  • Micro metal miniature construction
  • UHF operation
  • Severe shock and vibration resistant
  • Industrial and military airborne equipment application

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 amplifier100 V54006500356.5 mA

Datasheets

Datasheet: 8525.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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