The Thermax Wire M17/094 RG179 is a 75 Ohm coaxial cable engineered for precision signal transmission in high-temperature environments. Built to MIL-C-17 specifications, this cable delivers reliable performance across a broad frequency range with controlled impedance and superior shielding. The 100 ft spool format accommodates both laboratory and field deployment scenarios.
Technical Specifications
Electrical Performance
• Impedance: 75 Ω ± 3 Ω
• Capacitance: ~64 pF/m
• Velocity of Propagation: 66–70%
• Conductor Resistance (max): 24.5 Ω/100 ft
• Outer Shield DCR (max): 27.9 Ω/km
• Attenuation at 50 MHz: 5.3 dB/10 m
• Attenuation at 100 MHz: 3.30 dB/10 m (8.2 dB/100 ft)
• Attenuation at 400 MHz: 5.30 dB/10 m (21.0 dB/100 ft)
• Attenuation at 1 GHz: 7.90 dB/10 m (26.3 dB/100 ft)
• Operating Frequency: DC to 3000 MHz
• Operating Voltage (max): 900 V
• Voltage Withstand: 2000 V RMS
Physical Characteristics
• Outer Diameter: 0.100 in. (2.54 mm)
• Minimum Bend Radius: 10 mm (0.4 in.)
• Weight: 4.5 g/ft (9.83 lbs/Kft)
• Jacket Color: Amber/translucent brown
• Length per Sale: 100 ft
Temperature Ratings
• Operating Range: −55 °C to +200 °C
• Jacket Rating: −50 °C to +165 °C
– Key Features
• Inner conductor: 7-strand silver-plated copper clad steel (SCCS), 0.012 in. diameter
• Dielectric: PTFE (1.6 mm diameter), ensuring stable capacitance and low loss
• Shield: Single braid of silver-plated copper wire for EMI rejection
• Jacket: FEP material provides chemical and temperature resistance
• RoHS compliant
– Typical Applications
Video and broadband signal distribution, test instrumentation, RF/microwave bench setups, and high-temperature cable runs where MIL-C-17 compliance is required.
– Compatibility & Integration
MIL-C-17/94 construction ensures interchangeability with standard RG179 connectorized assemblies. Soldering and crimping techniques follow MIL-DTL-17 guidelines.
