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High Temp M17 RG-303 Coaxial Cable

M17 RG-303 coaxial cable is engineered for high-temperature and high-reliability RF and microwave applications. Designed to meet demanding performance standards, it delivers consistent electrical performance even under extreme conditions.

Key Features

  • ✅ 50 Ω nominal impedance for wide RF system compatibility
  • ✅ Solid silver-plated copper-clad steel (SCCS) center conductor for strength and conductivity
  • ✅ PTFE dielectric for thermal stability and low loss
  • ✅ Silver-plated copper braid shield with high coverage for superior shielding effectiveness
  • ✅ FEP jacket for durability, chemical resistance, and high-temperature protection

Typical Specifications

  • ✅ Inner conductor diameter: 0.037 in (0.94 mm)
  • ✅ Dielectric diameter: 0.116 in (2.95 mm)
  • ✅ Jacket outer diameter: 0.170 in (4.32 mm)
  • ✅ Capacitance: 29.4 pF/ft (nominal)
  • ✅ Operating temperature range: -55 °C to +200 °C
  • ✅ Maximum operating voltage: 1,900 VRMS

Applications

M17 RG-303 is widely used in avionics, defense systems, radar, satellite communications, and other environments requiring reliable RF performance under extreme heat and mechanical stress. Its PTFE/FEP construction ensures durability and stable performance across a broad frequency range.

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High Temp M17-RG303 Coax 25 FT
Our price: $87.57

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M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield
High Temp M17-RG303 High Temp M17-RG303 High Temp M17-RG393 High Temp M17-RG303
High Temp M17-RG303 Coax 100 FT
Our price: $350.28
Sale Price: $337.68
Savings: $12.60
High Temp M17-RG303 Coax 125 FT
Our price: $437.85
Sale Price: $422.10
Savings: $15.75
High Temp M17-RG303 Coax 150 FT
Our price: $525.42
Sale Price: $506.52
Savings: $18.90

M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield

 		M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield
High Temp M17-RG303
High Temp M17-RG303 Coax 200 FT
Our price: $700.56
Sale Price: $675.36
Savings: $25.20
M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield