Hercules™ High-Speed Ruggedized Interconnect System

Meritec’s Hercules Cable Plug Termination with the optional LSZH cable and its receptacle embedded in the mating rugged circular MIL-38999 shell provides both a durable and high bandwidth interconnect scheme suitable for many Military, Aerospace and ruggedized high bandwidth applications not previously accommodated by industry standard interconnects.

Features & Benefits

  • Rugged light weight aluminum MIL-38999 Series III size 9, 17, 23 threaded coupling circular shells. (sizes 11, 13, 15 under development)
  • Keying: “N” Standard, “A”, “B”, “C”, “D” Special Ordered
  • Optional connectors available for both cable assemblies and pigtail assemblies
  • Cable types available: 4X High Bandwidth cable with LSZH or PVC jacket & FEP insulated 28 Awg Twin-ax w/ Halar Expando
  • Available in 26, 28, 30 Awg cable
  • Supports data rates in excess of 10Gbs and differential pair signaling with low-skew pairs & shielding for maximum EMI/RFI protection
  • Meets or exceeds SAS, InfiniBand, USB 2.0 & 3.0, PCIexpress Gen2, Serial I/O, Ethernet, CX4, 10G Ethernet and SATA specifications
  • Matched impedance design of 100 Ohm
  • Mated cycles – 500 minimum
  • Fully electrically tested
  • Custom lengths built to order. Please consult Meritec


(mated connector pair, less cable)

• Impedance: 100 ± 10 Ohms differential at
100psec rise-time
• Crosstalk (NEXT): < –30dB up to 5Ghz from
multiple aggressors
• Insertion Loss: < 1dB up to 5Ghz
• Power per contact: 3amp @ 10°C temp rise
• Low Level contact resistance: < 20mΩ,
• Insulation resistance: > 100MΩ for 1 min @
300VDC, (EIA-364-21)
• DWV: No defect for 1 min @ 300VDC,


• Contact material: Copper Alloy
• Standard contact finish: 50 µ inch min
Au over 50 µ inch min Ni
• Aluminum shell w/ plating options
• Durability: 500 cycles


• –65C° to +175C°
• IP67, mated or capped condition
• 500-hour salt spray