I-PEX 82452-100B-02-D 40P high-speed signal transmission extremely thin coaxial cable replacement

High-density 40P connection design to meet the high-speed interconnection requirements of precision electronic equipment

With the continuous development of thin and light laptops, smart terminals, high-performance display equipment, and high-speed computing platforms, internal connections of devices not only need to save space but also need to consider signal integrity, shielding performance, and assembly reliability. Extremely thin coaxial cable assemblies, with their independent coaxial structure and flexible routing capabilities, have become an important solution for high-density electronic devices' internal high-speed signal connections. The I-PEX 82452-100B-02-D extremely thin coaxial cable assembly introduced in this article corresponds to the evaluation cable specification of the I-PEX CABLINE-UM series with 40Pin, 40AWG, 300mm, and 1-N pin definition, and can serve as a reference for product selection and compatible alternative development. This series of connectors uses 0.4mm contact pitch, right-angle out-line vertical insertion and extraction structure, with a height of 2.2 ± 0.15mm, and adopts ZenShield® full shielding and multi-point grounding design, suitable for internal interconnections of devices with limited space and requirements for electromagnetic compatibility. It should be noted that the maximum 40Gbps/lane PAM3 of the series is the reference transmission capability of the connector series, and the actual system performance still needs to be confirmed by combining the cable length, material characteristics, PCB design, and overall testing results. For engineers, when selecting, they should pay attention to the number of signal channels, installation space, routing direction, and high-speed transmission requirements; for purchasers, they should check the complete material number, delivery time, batch consistency, and verification requirements for alternative products, to avoid replacing directly based on the similarity of connector appearance.

What is usually used for dielectric materials in ultra-fine coaxial lines? Understand high-speed transmission from the perspective of material properties

The extremely thin coaxial cables are usually composed of a central conductor, dielectric insulating layer, shielding layer, and outer sheath. The dielectric material not only serves as an insulating function between conductors but also affects the characteristic impedance, signal propagation speed, dielectric loss, and temperature stability. Common dielectric materials for coaxial cables include polyethylene (PE), foamed polyethylene (Foamed PE), polytetrafluoroethylene (PTFE), fluoroethylene propylene copolymer (FEP), and perfluoroalkoxy resin (PFA). Different materials have their own characteristics: PE has good insulation properties and is commonly used in various general-purpose coaxial cables; foamed polyethylene, by reducing the effective dielectric constant, is beneficial for controlling transmission loss and propagation characteristics; PTFE has good heat resistance, chemical stability, and low dielectric loss characteristics; FEP has good insulation, flexibility, and processing adaptability, and is commonly used in cable structures requiring heat resistance and chemical resistance. The specific material used should be determined based on the working frequency, impedance requirements, bending conditions, temperature environment, and manufacturing process. For this I-PEX 82452-100B-02-D extremely thin coaxial cable assembly, the existing model data confirms that it uses 40AWG extremely thin coaxial cable, but it cannot be determined solely by the material number what the specific dielectric material is, therefore, it is not appropriate to directly claim that this model uses PTFE, FEP, or other specific materials. Engineers in developing compatible alternative solutions should prioritize confirming the dielectric material, characteristic impedance, dielectric loss, and temperature requirements of the original wire, and verify through corresponding electrical tests; procurement personnel should require suppliers to provide clear specifications and material evidence for the wire, and avoid using only AWG wire diameter as the standard for equivalent alternative judgments.

Section 3: I-PEX 82452-100B-02-D Product Specifications, Selection, Compatibility, and Alternative Solutions Reference and Recommendations

The key selection information for this product includes: ultra-thin coaxial cable assembly model I-PEX 82452-100B-02-D, cable end connector model 20878-040T-01, cable specification 40AWG, connector signal pins 40Pin, cable length 300mm, wire definition 1--N. The 20878-040T-01 is the model of the CABLINE-UM series 40Pin Plug Housing (male connector body). In actual production and replacement, it is necessary to confirm the compatibility of the metal shell, lock cover, retaining strap structure, and mating end according to the complete structure. 1--N indicates that this cable assembly uses a single-end connection form, and the connection method of the cable on the other end is related to the specific assembly drawing and cannot be directly regarded as a 1--1 cable with the same connection on both ends. Selection and compatibility replacement scheme reference and suggestions: Engineers should prioritize confirmation of the 40Pin interface, 40AWG wire diameter, 300mm length, wire definition, PIN correspondence, connector mating dimensions, shielding grounding structure, and high-speed signal indicators; if the device wiring space, length, or connector structure changes, the signal integrity, mechanical interference, and assembly tolerance should be re-evaluated. Purchasers should focus on confirming that the material model is consistent with the drawing version and require alternative suppliers to provide samples, conductivity and short-circuit test results, and verify impedance, insertion loss, return loss, and crosstalk according to project requirements. Our company specializes in the production and manufacturing of ultra-thin coaxial cable assemblies and can carry out compatibility and replacement development according to the provided product drawings, connector specifications, and application requirements. Our company can provide: I-PEX 82452-100B-02-D compatible and alternative cable assembly solutions, assist customers in sample confirmation, specification verification, and mass production introduction, help engineering teams reduce replacement evaluation risks, and provide the procurement team with more flexible supply chain options.

Fine coaxial cable bundle supply and application support for engineering and procurement

The substitution of ultra-fine coaxial cable bundles is not simply a matter of copying the wire diameter and connector shape, but rather achieving a comprehensive match between mechanical structure, electrical performance, material characteristics, and manufacturing consistency. For I-PEX 82452-100B-02-D CABLINE-UM 40Pin, 40AWG, 300mm, 1-N specification cable assemblies, engineers can develop a verification plan from aspects such as wire dielectric material, impedance matching, shielding continuity, bending paths, and interface compatibility; purchasing personnel can then evaluate suppliers based on sample verification results, delivery capabilities, quality traceability, and batch consistency. Our company is committed to the production and manufacturing of ultra-fine coaxial cable bundles and can provide specification confirmation, compatibility and substitution scheme design, sample production, and batch manufacturing support around the actual application scenarios of customers, helping customers to optimize procurement choices while meeting the design requirements of the equipment. When selecting ultra-fine coaxial cable bundles, it is necessary to pay attention to both the model matching of connectors and wires, as well as the dielectric materials, signal integrity, and actual assembly verification. Through collaborative assessment between engineering and procurement, compatible and substitution solutions can be more reliably applied to the high-speed interconnect systems of precision electronic equipment.

I am[7A Electronic Network]If you need to select ultra-fine coaxial cable bundles, product procurement, R&D, or alternative solutions, please feel free to contact Manager Zhang at any time:18913228573 (WeChat same number).