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M17/RG-393 High Temp MIL-Spec Coax – Heavy-Duty 50 Ohm Cable for Harsh RF Environments

M17/RG-393 is a rugged, high-temperature 50 Ohm coaxial cable constructed to MIL-DTL-17 standards. With a large 0.390" outer diameter, it is ideal for high-power RF transmission in extreme aerospace, industrial, and defense environments. It features a PTFE dielectric and dual silver-plated copper shielding.

Key Features of M17/RG-393 High Temp Coax

  • ✅ Operating temperature: -55°C to +200°C
  • ✅ Silver-plated copper center conductor (0.098" / 10 AWG)
  • ✅ Solid PTFE dielectric for stable electrical properties
  • ✅ Double silver-plated copper braid shielding (minimum 85% coverage)
  • ✅ Impedance: 50 ±2 Ohms
  • ✅ Outer diameter: 0.390" (9.91 mm)
  • ✅ Capacitance: 29.4 pF/ft
  • ✅ Voltage rating: 5,000 VRMS
  • ✅ Attenuation @ 1 GHz: ~10.2 dB/100 ft

Applications for M17/RG-393 Coax

  • ✅ Military and aerospace RF systems
  • ✅ High-power transmit applications
  • ✅ Satellite communication and radar systems
  • ✅ High-frequency test equipment interconnects

M17/RG-393 delivers outstanding thermal endurance and RF shielding. Its large conductor size and voltage rating make it suitable for heavy-duty coaxial RF needs.

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High Temp M17-RG393 High Temp M17-RG393 High Temp M17-RG393
M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields.
High Temp M17-RG393 High Temp M17-RG393 High Temp M17-RG393
High Temp M17-RG393 Coax 75 FT
Our price: $1,233.49
Sale Price: $1,223.78
Savings: $9.71
High Temp M17-RG393 Coax 100 FT
Our price: $1,644.65
Sale Price: $1,631.70
Savings: $12.95
M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields.
High Temp M17-RG393 High Temp M17-RG393 High Temp M17-RG393
M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields.
High Temp M17-RG393 High Temp M17-RG393 High Temp M17-RG393
High Temp M17-RG393 Coax 250 FT
Our price: $4,111.63
Sale Price: $4,079.25
Savings: $32.38
High Temp M17-RG393 Coax 500 FT
Our price: $8,223.25
Sale Price: $8,158.50
Savings: $64.75
High Temp M17-RG393 Coax 750 FT
Our price: $12,334.88
M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields.