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19Y3

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BrandPhilips
ClassHalf-wave high-vacuum rectifier
BaseSmall button noval 9-pin
Filament19V @ 300mA

Construction

Primary TypeHigh-vacuum rectifier
Rectifier TypeHalf-wave
EnvelopeT6 1/2
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage700 V
Cathode Current180 mA
H-C Voltage550 V

Audio Performance

Key Features
  • Coated unipotential cathode
  • Small button noval base
  • High vacuum

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
250V RMS Input250V---180mA
240V RMS Input240V---180mA
220V RMS Input220V---180mA
200V RMS Input200V---180mA
127V RMS Input127V---180mA

Application Notes

When two tubes are connected in parallel, the maximum value of the capacitor may be increased to 100 µF. In this case each plate must have the minimum total effective supply impedance specified.

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