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Electron Tube GU 77b


  • Product Code: TUB-GU 77b
  • Stock: In Stock
  • Price Ex VAT:

    450.00€

Transmitting power tetrode at frequencies up to 250 MHz. Socket is similar with GU84B.
Oxide-coated cathode indirectly heated.

Heater: 3.15 A at 27 V (+/- 1.4 V)
Warm up time: min. 180 seconds
Input capacitance: 100 pF (+/-10.0 pF)
Output capacitance 19 pF (+/-3.0 pF)
Transfer capacitance: < 0.2 pF
Anode voltage: 2.2 kV (peak 4.25 kV)
G1 voltage: -200 to +10 V
G2 voltage: max. 350 V
Anode current: nominal 2 A, max 3.5 A
Anode dissipation: 1500 W
G1 dissipation: 3 W
G2 dissipation: 25 W

Maximum operating temperature: 200 °C
Cooling: forced air, 1700 l/min

Dimensions
Diameter: 105 mm
Height: 98 mm