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Gas-tube coaxial GDT protector CATV RF Surge Arrester

Gas-tube coaxial GDT protector CATV RF Surge Arrester

Gas tube surge arrester, also called gas discharge tube lightning protection device, is designed for antenna coaxial device and receive/transmit system not to be spoiled by lightning over-voltage, induced over-voltage, and static discharge.

  • CATV

  • Datacast, IPDC

  • VOD

  • IP Phone

  • BBA

  • Video conference

  • Civil wave band communication

  • Closed-circuit TV

  • Car radio & search Radar

  • Ship warship the opposite bank communication

  • Landing system

  • Ground control unit

Features Of Gas Discharge Tube Surge Protector


  • Large electrical and electronic discharge current                                                                                                                                                                                  

  • Low insertion loss, small VSWR                                                                                                                                                                                                                  

  • Gas-tube Structure

  • Reliable Performance from DC to 6.0GHz

  • Multi-Strike Capability

  • Bi-Directional Protection

  • DC passed

  • RoHS Compliant

  • Metric or imperial type option


Technical Parameters Of Gas Discharge Tube Surge Protector


ModelR05U70FR25F70FR25T70FR25N70FR25D70FR25B70FR60S70F
R30F70FR30T70FR30N70FR30D70FR30B70F
Lighning proection zone(LPZ)1-2
Category IEC/EN61643D 1/C1/C2/C3
According to IEC61643III
Max continuous operating voltage Uc≤70v
Nominal discharge current (8/20μs) In10KA
Max discharge current Imax (8/20µs)   Imax20KA
Working frequency0-0.5GHz25: 0-2.5GHz, 30: 0-3GHz0-6GHz
Voltage protection level   8/20µs Up≤200v
Insertion Loss≤0.2db
Standing-wave ratio≤1.2
Interface formUHFFTNCNDINBNCSMA
Working conditionsTemperature: -40 to 80℃, Relative humidity: ≤95%
Standards complianceIEC61643-21
MountingBe installed between protected equipment and signal line
MaterialCopper/ silver 
IP codeIP20 


Diagram Of Gas Discharge Tube Surge Protector


Diagram-Of-Gas-tube-Surge-Arrester.jpg

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