Home / WE274B Electron Tube Replaces WE274B/5U4G/5AR4 Vacuum Tube Precision Matching(1 pcs)
  • WE274B Electron Tube Replaces WE274B/5U4G/5AR4 Vacuum Tube Precision Matching(1 pcs)
  • WE274B Electron Tube Replaces WE274B/5U4G/5AR4 Vacuum Tube Precision Matching(1 pcs)
  • WE274B Electron Tube Replaces WE274B/5U4G/5AR4 Vacuum Tube Precision Matching(1 pcs)
  • WE274B Electron Tube Replaces WE274B/5U4G/5AR4 Vacuum Tube Precision Matching(1 pcs)
  • WE274B Electron Tube Replaces WE274B/5U4G/5AR4 Vacuum Tube Precision Matching(1 pcs)

WE274B Electron Tube Replaces WE274B/5U4G/5AR4 Vacuum Tube Precision Matching(1 pcs)

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    Preamps
    WE274B
    Glass-enclosed eight-pin direct-heated full-wave rectifier tube, similar to 5U4G and 5Z3P, and can be used interchangeably.
    Filament Heating
    Voltage input....5V
    If ...............2A
    Restrict Rating
    Peak anode reverse voltage............1550V
    Peak anode current.........750mA
    Recommended operating conditions
    Anode power supply voltage 2×500V
    Impedance per arm 75
    Load impedance 2000
    Filter capacitor 4F
    Rectification current 220mA

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