Categorization:Harness Component
With the continuous development of laptops, tablets, industrial vision, AI vision, high-performance computing devices, and smart terminals towards high-speed, thin, and high-integration, the internal signal connection space of electronic devices is becoming increasingly limited, but the data transmission rate is getting higher and higher. When engineers design internal high-speed signal chains, they not only need to consider "whether it can be connected" but also need to comprehensively consider factors such as signal integrity, impedance control, crosstalk, EMI, and wiring space. Extremely thin coaxial cable bundles combine high-speed transmission capabilities with miniaturized wiring, enabling multi-channel signal transmission in limited spaces, and therefore, their application in high-speed display, camera modules, AI vision, and various high-density electronic devices has become more and more widespread. The I-PEX CABLINE®-VS is a 0.5mm pitch, horizontally insertable ultra-thin coaxial connector developed in this direction. Its official documentation lists 32Gbps/lane NRZ as the reference transmission performance and supports AWG36 to AWG44 Micro-Coaxial Cable.

The target product introduced this time is I-PEX 82290-100B-02-D, which belongs to the CABLINE-VS 40P HARNESS series. It is a 40Pin Micro-Coaxial Cable ultra-thin coaxial cable assembly, using AWG#40 wire material, with a length of 300mm and a structure of 1-N. The product corresponds to a wire end connector model of 20454-240T, which belongs to the CABLINE-VS 40Pin Plug Housing, and is suitable for ultra-thin coaxial cables with AWG#40 specifications. For engineers, the model 82290-100B-02-D actually represents a set of clear high-speed cable assembly configurations, including 40Pin quantity, AWG#40 wire material, 300mm length, and the corresponding termination structure; for purchasers, these core parameters should also be used as the important basis for supplier quotes, samples, and technical confirmation when making alternative purchases, rather than just judging whether the product can be directly replaced based on the name "40Pin cable assembly". The official I-PEX page clearly lists 82290-100B-02-D as the evaluation cable assembly model "40pin micro-coaxial 40AWG L=300mm 1-N".

The advantages of extremely thin coaxial cable assemblies are not just "thinner wire," but more importantly, they can form a relatively complete transmission structure around the demand for high-speed signal transmission. Inside electronic devices, when multiple high-speed channels are concentratedly arranged, engineers need to pay attention to cross-talk between adjacent channels, signal attenuation, and impedance continuity, while also facing the issue of increasingly compact structural space. Taking CABLINE-VS as an example, its connectors use a 0.5mm Pitch, horizontal insertion, and a 1.0±0.1mm insertion height. The official specifications include 20Pin, 30Pin, 40Pin, and 50Pin, and support AWG36, AWG38, AWG40, AWG42, and AWG44 Micro-Coaxial Cables. The official 32Gbps/lane reference test uses CABLINE-VS 40Pin, AWG#40, 45Ω, 100mm Micro-Coaxial Cable, so the actual transmission performance in practical projects should still be verified according to specific cable length, impedance, termination method, PCB design, and SI test results, and cannot simply equate the reference test results to guaranteed values under all application conditions.

For engineers and purchasers who need to carry out domestic substitution of I-PEX ultra-fine coaxial cable assembly, it is recommended to focus on verifying part numbers, Pin counts, wire material types, AWG, impedance, length, structure forms, wire sequences, and connector models. For the I-PEX 82290-100B-02-D, the core matching objects for the substitution scheme should be centered around 40Pin, AWG#40 Micro-Coaxial Cable, 300mm, 1-N structure, and 20454-240T wire material end connector. If the device belongs to high-speed display, industrial vision, or high-speed data transmission applications, it is also recommended to further perform impedance, insertion loss, return loss, crosstalk, and signal integrity verification during the sample stage to confirm the matching degree between the substitute cable assembly and the original design system. According to the official data of I-PEX, the CABLINE-VS 40Pin recommends the use of Plug Housing model 20454-240T, and the standard evaluation cable assembly model with 40Pin, 40AWG, 300mm, 1-N is 82290-100B-02-D. Our company can provide: I-PEX 82290-100B-02-D compatible substitute cable assembly solutions, which can develop, sample, and mass produce ultra-fine coaxial cable assemblies according to the customer's connectors, Pin counts, AWG, wire length, wire sequences, and specific installation structures to help customers achieve product domestic substitution and supply chain optimization.
