-40%
Tube GU-70B, ГУ-70Б, 4CX250B 7203 RE025XA QRO HF VHF UHF GU70B x 1pc.
Tube GU-70B, ГУ-70Б, 4CX250B 7203 RE025XA QRO HF VHF UHF GU70B x 1pc.
Tube GU-70B, ГУ-70Б, 4CX250B 7203 RE025XA QRO HF VHF UHF GU70B x 1pc.

Tube GU-70B, ГУ-70Б, 4CX250B 7203 RE025XA QRO HF VHF UHF GU70B x 1pc.

$ 31.15

Availability: 51 in stock
  • MPN: 4CX250B
  • Brand: Svetlana
  • Condition: New
  • Custom Bundle: No
  • Compatible Brand: Universal
  • Band: VHF
  • Compatible Model: 4CX250B
  • Type: Tube
  • All returns accepted: ReturnsNotAccepted

    Description

    GU-70B
    SVETLANA TETRODE TUBES
    Gu-70B,
    ГУ-70Б
    equivalent of
    4CX250
    NOS - "New-Old-Stock".
    Vacuum tubes
    Generating tetrode GU-70B in metal-ceramic casing with oxide cathode of indirect heating and external anode with forced air cooling is designed for SSB signal amplification with output power up to 250V and frequency up to
    250 Mhz
    and output power up to 125V in fixed and mobile wireless devices.
    Casing – ceramic metal.
    Cooling – air, forced, 45 m3/h.
    Weight: 150 g.
    Name
    GU70B
    Type
    tetrode
    Cathode type
    oxide,indirect heating
    Application field
    linear power amplification up to 500MHz
    Brief application
    amplification
    Envelope
    metall-ceramic
    Cooling method
    forced air
    Dimensions
    64mmx41.5mm
    Mass
    150 g
    Filament voltage
    6 V
    Filament current
    3.1 - 3.7 A
    Mutual conductance
    14 to 28 mA/V
    Gain coefficient
    9 to 18
    Output power
    0.35 kW
    Maximum anode voltage
    2kV
    Maximum operating frequency
    500MHz