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ECC186

1 Tube in archive

BrandPhilips
ClassDouble Triode
BaseNoval
Filament6.3V @ 300mA

Construction

Primary TypeDouble Triode
EnvelopeGlass
Sections2

Filament / Heater

Heater NotesIndirect by A.C. or D.C.; parallel supply

Absolute Maximum Ratings

Plate Voltage300 V
Plate Dissipation2.75 W
Grid 1 Voltage-100 V
Cathode Current20 mA
H-C Voltage90 V

Audio Performance

Key Features
  • Maintains emission capabilities after long periods of cut-off
  • Medium mu amplification factor
  • Designed for computer applications

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Setting 1250V220077001710.5mA
Setting 2100V3100625019.511.8mA
Cut-off250V---0.03mA

Application Notes

The tube is intended for use in calculating machines and similar computer applications where it must remain in a cut-off state for extended periods.

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    ECC186

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