Categorization：Harness Component
From connectors to cables: Understanding the overall structure of ultra-fine coaxial cable assemblies
In laptops, tablets, display modules, camera modules, and other space-limited precision electronic devices, extremely fine coaxial cables play a crucial role in high-speed signal connections. Taking the I-PEX 82068-100B-02-D introduced this time as an example, it is a CABLINE®-UA II 26Pin ultra-fine coaxial cable with a standard length of 200mm, using 44AWG Micro-Coaxial Cable, and 1-N structure. The connector ferrule model used at the cable end is 20497-026T-30, corresponding to the CABLINE®-UA II series 26Pin Plug structure. According to I-PEX official data, CABLINE®-UA II uses 0.3mm terminal spacing, Vertical (Right Angle) structure, and is suitable for internal connections of high-density, miniaturized devices with a height of about 1.27±0.1mm.
On the structural level, the extremely fine coaxial cable assembly is not simply a "combination of multiple thin wires," but is composed of a central conductor, insulation layer, shielding layer, outer sheath, end termination structure, and connector components. For high-speed signal applications, the central conductor is responsible for signal transmission, the insulation layer is used to maintain electrical isolation between conductors, the shielding layer is used to suppress external interference and reduce crosstalk between signals, and the connector termination directly affects whether the signal can enter the PCB or other functional modules stably. The 82068-100B-02-D uses 26 extremely fine coaxial cables and forms a complete cable assembly component through processes such as Bonding at the ends and tape fixation. Therefore, when engineers are engaged in alternative selection, they need to pay attention not only to the number of connector pins, but also to parameters such as wire diameter, impedance, wire sequence, length, cable exit direction, and termination process.
Why can ultra-fine coaxial cables meet the needs of miniaturization and high-speed connection?
The value of extremely fine coaxial cable束 is largely derived from the combination of several structural features: "fine, dense, shielded, and high-speed." CABLINE®-UA II uses a 0.3mm Pitch and offers configurations of 26, 32, 40, and 50 Pins; official documents also indicate that it is suitable for Micro-Coaxial Cables including AWG42, AWG44, and AWG46, and provides a reference transmission speed of 5Gbps/lane NRZ. For the model 82068-100B-02-D, it specifically uses 44AWG Micro-Coaxial Cable, with a standard length of 200mm.
From an engineering design perspective, the AWG44 ultra-fine coaxial cable can help further compress the internal wiring space of the equipment, while the coaxial structure can provide a relatively independent transmission environment for high-speed signals. The CABLINE®-UA II itself also adopts a multi-point grounding design, which I-PEX's official materials describe as a structural feature for anti-EMI performance; its Plug size has also been optimized for narrow spaces, as shown in the official examples, a 26-pin cable assembly with an outer diameter of approximately 0.29mm coaxial cable can pass through a shaft or hose with an inner diameter of approximately Φ2.65mm. Therefore, for products that require passing through shafts, have narrow internal module spaces, or have strict restrictions on cable thickness, the ultra-fine coaxial cable solution can achieve a better structural fit between space layout and high-speed signal connections.
Engineers and purchasing personnel should focus on which structural parameters when selecting?
For the compatible alternative development of I-PEX 82068-100B-02-D, engineers are recommended to first lock in the core combination of "26P + 44AWG Micro-Coaxial + 200mm + 1-N + CABLINE®-UA II structure", and then further confirm the specific connector and harness termination details. The wire harness connector model is 20497-026T-30, which is the CABLINE®-UA II 26Pin Plug Housing; in the official material numbers recommended by I-PEX, the corresponding 26Pin Plug Cable Assembly 20496-026T-40 and 26Pin Receptacle 20498-026E-41 are also listed. For procurement personnel, if only "CABLINE-UA II 26P" is provided as a bidding condition, it is still not enough to ensure that the alternative product completely corresponds to the original harness. It should further provide the original harness material number 82068-100B-02-D, length 200mm, wire specification 44AWG Micro-Coaxial, both-end termination relationship, and actual equipment installation dimensions to reduce selection bias.
In addition, the compatibility of extremely thin coaxial cable assemblies also needs to consider the connector mating dimensions, Pin definition, cable routing, fixed position, and the bending space inside the device. The official I-PEX page explicitly lists the 82068 as a 26Pin, 200mm, 1-N evaluation cable assembly model. Therefore, during the domestic substitution and development process, size verification should be based on the original drawings and actual installation conditions, rather than simply replacing based on the appearance of the connector. Our company can provide: I-PEX 82068-100B-02-D compatible replacement cable assembly solutions. We can match and manufacture the structure of the extremely thin coaxial cable assembly according to the original model, drawings, samples, and actual assembly requirements provided by the customer, and provide corresponding cable replacement support for engineering verification, sample trial production, and bulk procurement.
Selection, compatibility, and alternative solutions reference and suggestions
For engineers and purchasers who need to find compatible alternative solutions for 82068-100B-02-D, it is recommended to adopt the following approach: "original model confirmation → connector confirmation → wire material confirmation → size confirmation → electrical performance verification → installation verification". Firstly, confirm whether it indeed corresponds to the CABLINE®-UA II 26Pin structure; secondly, confirm the connector at the wire end 20497-026T-30 and the corresponding Plug component; then confirm the 44AWG Micro-Coaxial Cable, 200mm length, and 1-N wire sequence structure. On this basis, further check the overall appearance of the wire harness, the direction of the outgoing line, the Bonding position, the fixation method, and the routing space inside the device. For high-speed signal applications, it is also necessary to verify actual system parameters such as impedance, insertion loss, return loss, crosstalk, and EMI, and cannot solely use "can be plugged in, can conduct" as the standard for alternative judgment.
If the customer's original equipment has already adopted I-PEX 82068-100B-02-D, but hopes to find a domestic, alternative supply chain, or customized production solution, they can directly use the original part number as the project identification basis and provide the original harness drawings or samples. Our company can produce and manufacture the corresponding ultra-thin coaxial harnesses according to the specific product requirements, and match the connector model, Pin count, AWG specification, harness length, wire sequence, wire exit direction, and fixed process. It should be especially noted that the 5Gbps/lane on the I-PEX official page is the reference transmission capability of CABLINE®-UA II, which does not mean that all alternative harnesses will automatically achieve the same performance under any system conditions; the final compatibility should still be confirmed through specific material, connector, PCB, and whole machine system testing.
From ultra-fine to high-density, high-speed and reliable connections
I-PEX 82068-100B-02-D is a CABLINE®-UA II 26Pin ultra-thin coaxial cable assembly with clearly defined specifications, featuring a core configuration of 44AWG Micro-Coaxial Cable, 200mm in length, and a 1-N structure. The cable end is equipped with a connector core model of 20497-026T-30. From the structure of the ultra-thin coaxial cable assembly, it is not just the wire diameter that determines the product performance, but rather the collaborative design between the conductor, insulation, shielding, sheath, connector termination, and fixing process. For engineers, it is necessary to focus on high-speed signals, spatial dimensions, and mechanical reliability; for purchasers, it is important to accurately lock in the original material number and key specifications to avoid the risk of substitution due to inconsistencies in pin count, wire sequence, length, or connector details. I am[3W Electronic Components Network]We specialize in providing customized and compatible alternative services for high-speed ultra-thin coaxial cables such as eDP, MIPI, USB3.X/4, LVDS, etc. If you need technical support, please contact us:Manager Zhang 18913228573 (WeChat same number)In terms of this model, our company can provide an I-PEX 82068-100B-02-D compatible alternative cable assembly solution, offering customers comprehensive support for the manufacturing of ultra-fine coaxial cable assemblies from sample verification to mass production.
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