How Double Shielded Coaxial Cables Handle Environmental and Physical Stress

Double shielded coaxial cables are designed to withstand harsh environmental and physical conditions, ensuring reliable signal transmission in demanding applications. With two layers of shielding, these cables provide exceptional protection against electromagnetic interference (EMI), moisture, and mechanical stress.

Environmental Resistance

Moisture and Corrosion Resistance

Double shielded cables feature a durable outer jacket made of materials such as PVC or polyethylene, which are resistant to moisture and corrosion. The inner conductor and shield are also protected with a layer of insulation and a moisture-resistant compound, preventing water damage and ensuring long-term performance.

Temperature Extremes

Double shielded cables can operate within a wide temperature range, typically from -40°C to +85°C. The outer jacket and insulation materials are formulated to withstand extreme temperatures, maintaining signal integrity even in harsh conditions.

Electromagnetic Interference Protection

EMI Attenuation

Double shielding provides exceptional EMI attenuation, effectively blocking unwanted electromagnetic signals that can interfere with data transmission. The inner shield creates a Faraday cage around the inner conductor, preventing external EMI from penetrating the cable. The outer shield provides additional protection, absorbing and reflecting electromagnetic disturbances.

Grounding and Shielding

Double shielded cables are grounded at both ends, creating a complete circuit that further reduces EMI. The shields are connected to ground, providing a low-impedance path for electromagnetic currents, diverting them away from the inner conductor and signal.

Physical Durability

Crush Resistance

Double shielded cables are designed to withstand significant crushing forces without damaging the inner conductor or signal integrity. The outer jacket is reinforced with layers of armoring, providing protection against heavy impact and compression.

Abrasion Resistance

The outer jacket of double shielded cables is made of durable materials that are resistant to abrasion and wear. This prevents damage to the cable when exposed to friction or harsh environments, ensuring long-lasting performance.

Flexibility

Despite their robust construction, double shielded cables are designed to be flexible, allowing easy installation and routing in tight spaces. The inner and outer shields are bonded together in a way that allows for bending without compromising shielding effectiveness.