TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

Tube Database (1,270 tubes)

Other (7066), Pre (189), Power (67), Rectifier (19)
DisclaimerSubmit a tube

F 443N

0 Tubes in archive

BrandPhilips
ClassPower Pentode
BaseO 40

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage550 V
Plate Dissipation25 W
Grid 2 Voltage300 V
Cathode Current100 mA

Audio Performance

Power Output15 W
Key Features
  • Miniwatt
  • Power valve
  • High amplification factor

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Standard300V3900200008083mA
High Voltage550V39002500010045mA

Datasheet Viewer

Loading datasheet...

Filters

0 tubes found

Manufacturers

Brands

    Showing 1 to 0 of 0 results