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5687WA

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BrandTung-Sol
ClassPremium Twin Triode
BaseMiniature
Filament6.3V @ 0.9mA

Construction

Primary TypeTwin Triode
EnvelopeGlass
Base MaterialButton 9-Pin
Sections2

Filament / Heater

Heater NotesAC or DC. For 12.6V apply between pins 4 & 5. For 6.3V apply between pin 8 and pins 4+5 tied together.

Absolute Maximum Ratings

Plate Voltage330 V
Plate Dissipation4.2 W
Cathode Current65 mA
H-C Voltage100 V

Audio Performance

Key Features
  • Ruggedized
  • High Perveance
  • High Emission Capabilities
  • Minimize Interface Formation
  • Severe Shock and Vibration Resistant

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Each Section120V11500-18.536mA

Application Notes

Ideal for triggered applications involving long periods of stand-by cut-off service and military airborne equipment.

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