0.81mm Micro-Coaxial Cable

Description

The 0.81mm Micro-Coaxial cable is one of the smallest RF interconnect solutions available, designed for 50 Ohm systems where traditional coaxial cables are too bulky. With a nominal outer diameter of just 0.81mm, it is specifically optimized for routing through tiny hinge mechanisms and confined electronic housings. The cable features a stranded silver-plated copper center conductor, which provides the high flexibility and fatigue resistance required for devices that undergo frequent movement or vibration.

The internal architecture consists of a high-performance FEP (Fluorinated Ethylene Propylene) or PFA dielectric and jacket, ensuring excellent thermal stability and low signal loss. Despite its microscopic size, it maintains effective signal integrity via a high-density silver-plated copper braided shield. This cable is the industry standard for micro-pigtail assemblies and is almost exclusively terminated with ultra-low-profile connectors such as U.FL, W.FL, or MHF4. Its combination of extreme miniaturization and reliable RF performance makes it indispensable for modern wireless communication devices.

Key Technical Advantages

• Extreme Miniaturization: The 0.81mm profile allows for RF routing in devices where every cubic millimeter counts, such as smartwatches and medical implants.

• Superior Flexibility: The stranded core and specialized jacket materials provide an incredibly tight bend radius, allowing for complex routing without signal degradation.

• High-Frequency Efficiency: Optimized for stable performance across the 2.4GHz and 5GHz bands, as well as emerging 6GHz WiFi 6E/7 and 5G sub-6GHz frequencies.

• Silver-Plated Construction: Silver plating on both the center conductor and the shield maximizes conductivity and ensures superior resistance to oxidation in small-form-factor devices.

• Lightweight Design: Minimizes the overall weight of portable electronics, a critical factor for drones and wearable sensors.

Key Features

• Cable Type: Micro-Coaxial (Ultra-Thin).

• Impedance: 50 Ohm.

• Center Conductor: 36 AWG (Stranded Silver-Plated Copper).

• Shielding: Silver-Plated Copper Braid (Typically >90% coverage).

• Jacket Materials: FEP (Fluorinated Ethylene Propylene).

• Common Applications: Laptop WiFi/Bluetooth antennas, smartphone RF modules, compact drones, and wearable medical sensors.

Technical Summary