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M17/178-RG High Temperature Coaxial Cable – Compact 50 Ohm Mil-Spec Performance

Our M17/178-RG High Temp Coaxial Cable is engineered for precision RF applications in space-limited and thermally demanding environments. Built to MIL-C-17 standards, it maintains stable 50 Ohm impedance across a wide frequency range up to 3 GHz, with a durable PTFE/FEP construction rated to 200°C.

Key Features of M17/178-RG High Temp Coax

  • ✅ Continuous operating temperature: -55°C to +200°C
  • ✅ 7-strand silver-plated copper-clad steel center conductor (30 AWG)
  • ✅ PTFE dielectric for low-loss high-frequency performance
  • ✅ Silver-plated copper braid shield (~95% coverage)
  • ✅ FEP jacket with overall diameter: 0.072" (1.83 mm)
  • ✅ Capacitance: 29.4 pF/ft
  • ✅ Voltage rating: 1,000 VRMS
  • ✅ Impedance: 50 ±2 Ohms
  • ✅ Attenuation @ 1 GHz: ~60 dB/100 ft

Applications for M17/178-RG Coax

  • ✅ Aerospace and military communication systems
  • ✅ Miniature RF cable assemblies in tight routing conditions
  • ✅ Thermal and chemically resistant RF signal paths
  • ✅ Test and measurement equipment requiring slim-profile coax

M17/178-RG Coaxial Cable is trusted for its compact form factor, thermal resilience, and reliable RF performance. Available from DX Ham Radio Supply in custom lengths or bulk spools.

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High Temp M17-RG178 High Temp M17-RG178 High Temp M17-RG178
M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid.
 		M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid. M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid.
High Temp M17-RG178 High Temp M17-RG178 High Temp M17-RG178
High Temp M17-RG178 Coax 100 FT
Our price: $119.54
Sale Price: $115.24
Savings: $4.30
High Temp M17-RG178 Coax 150 FT
Our price: $179.31
Sale Price: $172.86
Savings: $6.45
M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid. M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid. M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid.
High Temp M17-RG178 High Temp M17-RG178
High Temp M17-RG178 Coax 200 FT
Our price: $239.08
Sale Price: $230.48
Savings: $8.60
M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid. M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid.