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

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Tube-number record

3DH3

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BrandGeneral Electric

ClassHigh-Voltage Rectifier

BaseOctal

Filament3.15 V @ 480 mA

Construction

Primary TypeDiode

EnvelopeT-9

Base MaterialGlass

Sections1

Filament / Heater

Heater NotesCoated Unipotential Cathode

Absolute Maximum Ratings

Plate Voltage30000 V

Cathode Current2.2 mA

Audio Performance

Key Features

Diffusion bonded cathode
X-radiation rating
Built-in X-radiation shielding

Datasheets

Datasheet: 3DH3.pdf

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

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