The  D4  (D-Sub  coax  Inserts)series  are  miniature  coaxial  connectors  similar  to  C4(DIN41626)series,with  high  electrical  and  mechanical  stability  and  low  space  requirements,ideal  for  high  desity  connectors  applications,are  specially  used  in  the  PCB  backplane  connection  of  mixtures  of  high  and  low  frequency  for  communication  equipments.
TECHNICAL CHARACTERISTICS：
Environmental:
Temperature range: -55 ∽+125℃
Electrical Characteristics:
Characteristic impedance: 50Ω
Working voltage: 500V
Frequency range: 0-2GHz
Dielectric withstanding voltage: 1500V
Contact resistance: center contact:≤10mΩ ,Outer contact: ≤5mΩ
Insulation resistance: ≥1000MΩ
VSWR: ≤1.08,0-1GHz ≤1.12,1-3GHz ≤1.35,3-6GHz
Mechanical Characteristics
Body: Brass,gold plated
Male center contacts: Brass, gold plated
Female center contacts: Beryllium copper, gold plated
Insulators: PTFE
Crimp ferrules: Copper alloy, nickel plated
Spring contacts:
Material and Plating:
Durability: 500 cycles