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3B25

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BrandRCA
ClassRectifier
BaseMedium-Shell Small 4-Pin with Bayonet

Construction

Primary TypeGas Rectifier
Rectifier TypeHalf-wave
EnvelopeT16
Base MaterialMedium-Shell Small 4-Pin with Bayonet
Sections1

Filament / Heater

Warm-up Time15s

Absolute Maximum Ratings

Plate Voltage4500 V
Cathode Current500 mA

Audio Performance

Key Features
  • Half-wave gas rectifier
  • Coated filament
  • Any operating position

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Half-Wave Single-Phase In-Phase Operation4500V---500mA
Full-Wave Single-Phase In-Phase Operation1500V---1000mA

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