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30A5

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ClassPower Pentode
BaseE7-1 Miniature Button 7-Pin
Filament30V @ 150mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesHeater voltage is 5 volts less than 35C5 tube

Absolute Maximum Ratings

Plate Voltage150 V
Plate Dissipation7.5 W
Grid 2 Voltage150 V
Cathode Current100 mA
H-C Voltage150 V

Audio Performance

Typical THD11%
Power Output2.1 W
Key Features
  • Large output
  • Transformer-less radio use

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Power Amplifier100V920022000-43mA

Application Notes

Specifically designed for transformer-less radio receivers as a power amplifier.

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