M17/RG-400 High Temp Coaxial Cable – MIL-Spec 50 Ohm PTFE Coax for RF Systems

M17/RG-400 is a high-performance, double-shielded 50 Ohm coaxial cable built to MIL-DTL-17 specifications. Known for its excellent thermal stability and mechanical durability, it is widely used in military, aerospace, and RF test environments. It features a PTFE dielectric and FEP jacket, offering high-temperature resilience and resistance to chemicals and abrasion.

Key Features of M17/RG-400 High Temp Coax

• ✅ Operating temperature: -55°C to +200°C
• ✅ Silver-plated copper center conductor (0.039" / 19 AWG)
• ✅ PTFE dielectric with FEP jacket – overall diameter: 0.195" (4.95 mm)
• ✅ Double silver-plated copper braid shield (minimum 95% combined coverage)
• ✅ Impedance: 50 ±2 Ohms
• ✅ Capacitance: 29.4 pF/ft
• ✅ Voltage rating: 1,900 VRMS
• ✅ Attenuation @ 1 GHz: ~16.4 dB/100 ft

Applications for M17/RG-400 Coax

• ✅ RF interconnects in avionics and military-grade electronics
• ✅ High-reliability test setups and measurement systems
• ✅ EMI-sensitive environments requiring enhanced shielding
• ✅ Aerospace and industrial RF harnessing

M17/RG-400 coax offers a flexible, shielded solution for demanding RF systems. Its MIL-qualified construction ensures durability in harsh electrical and environmental conditions.