In the trend of continuous "thin and lightweight" and "high-speed" development in devices such as notebooks, car-mounted, medical, and industrial imaging, ultra-thin coaxial connectors have become a key component in high-speed signal transmission solutions. The following are the five mainstream manufacturers widely recognized in the industry.

One, I-PEX (Japan)
I-PEX belongs to the Japanese Dai-Ichi Seiko Group and is a leading technology company in the field of ultra-thin coaxial connectors. Its CABLINE® series (such as CABLINE®-VS, CABLINE®-CA II PLUS) is widely used in products such as laptops, tablets, drones, and high-definition camera systems.
Product features:
Supports high-speed differential signal transmission (up to 56Gbps and above)
Excellent EMI shielding capability;
Adopted a miniaturized structure and mechanical buckle design;
• Pitch range: 0.25mm ~ 0.5mm.
Typical applications: slim notebook computers, industrial cameras, high-definition display devices, 5G terminals.

Hirose (Hirose Electric Co., Ltd., Japan)
Hirose is a well-known Japanese connector manufacturer, whose extremely thin coaxial series (such as DF36, DF80, DF81, FX16) performs excellently in the fields of wireless communication modules, medical equipment, and industrial equipment.
Product Features:
Compact in volume, suitable for high-density wiring design;
High-frequency transmission stability, supports 32AWG to 50AWG coaxial cables;
Long service life for insertion and extraction, strong reliability of connection.
Typical applications: wireless modules, medical imaging equipment, portable terminals, drones.

Section 3: KEL (Japan)
KEL focuses on the research and development of high-density and high-speed miniature connectors. Its USL, USLS, TSL, XSLS series ultra-fine coaxial connectors have a high market share in the vehicle camera, industrial camera, and laptop markets.
Product Features:
Supports high-speed differential signal transmission with excellent anti-interference performance.
High-density structural design, Pitch coverage 0.25mm~0.5mm
Excellent insertion and removal feel, sturdy mechanical structure.
Typical applications: vehicle-mounted cameras, drones, laptops, industrial vision detection systems.

Four, JAE (Japan Aviation Electronics Industry, Ltd.)
JAE is an important enterprise in the field of Japanese electronic connectors, and its FI-J, FI-JW, and FI-RE series excel in ultra-thin coaxial cable harness connections, commonly used in in-car entertainment systems, industrial equipment, and thin and light display terminals.
Product Features:
Supports high-speed differential signal transmission.
Adopting a mechanical lock buckle structure with good vibration resistance.
Offer diverse Pitch sizes and terminal options.
Typical applications: in-car central control screens, industrial cameras, medical equipment, ultra-high-definition display terminals.

Five, HTK (Honma Tsushin Kogyo Co., Ltd.)
HTK (Honda Tsushin Kogyo Co., Ltd.) has long been focused on the research and development of ultra-miniature high-speed connectors, with representative series including LVD, LVC, LVX, etc., which are widely used in vehicle, medical, and drone imaging systems.
Product features:
Supports ultra-high-speed differential signal transmission, with excellent EMI shielding performance.
Pitch can be as small as 0.4mm, meeting the needs of extreme miniaturization.
Rich in vehicle and medical application cases.
Typical applications: vehicle-mounted cameras, medical endoscopic equipment, drone image transmission systems.

In the field of ultra-fine coaxial cable connectors, the top five manufacturers, I-PEX, Hirose, KEL, JAE, and HTK, constitute the core supply chain of the high-end market. With their strong research and development capabilities and extensive application experience, they cover a wide range of high-end niche markets from consumer electronics to automotive electronics, medical imaging, and industrial vision, representing the highest level of micro high-speed connector technology.
We have been focusing on the design and customization of high-speed cable harnesses and ultra-fine coaxial cable harnesses for a long time, committed to providing stable and reliable high-speed interconnect solutions. If you have any related needs or want to learn more, please contact: Manager Zhang.
18913228573 (WeChat number).