I-PEX 82987-100B-01-D 60P high-speed signal transmission ultra-fine coaxial cable replacement

I-PEX 82987-100B-01-D: 60PIN ultra-thin coaxial cable assembly for high-density, high-speed devices

In laptops, high-resolution display modules, industrial cameras, AI vision equipment, and various compact high-speed electronic devices, internal connections are simultaneously developing towards "miniaturization, high-speed, and high-density." The I-PEX 82987-100B-01-D is a typical ultra-fine coaxial cable solution. This cable uses a CABLINE-CA connection system with a 60PIN, 0.4MM pitch, and the connector model at the cable end is 20634-160T-02. It is matched with AWG40 Micro-Coaxial ultra-fine coaxial cables. The cable's nominal length is 200mm, and it adopts a 1-1 wire position correspondence method. For engineers, the value of this structure is not only that 60 positions can achieve high-density connections in a limited space, but more importantly, the ultra-fine coaxial structure can provide relatively independent transmission and shielding paths for high-speed signals, which is conducive to controlling impedance, reducing crosstalk, and improving EMI performance. The CABLINE-CA connector itself uses a 0.4mm pitch, horizontal insertion, and mechanical locking structure. The series data shows that the high-speed application capability can reach up to 32Gbps/Lane PAM4, making it particularly suitable for high-speed display, image transmission, and internal high-speed interconnection scenarios. For projects that hope to reduce the risk of importing cable assemblies, shorten lead times, or replace with domestic products, our company can provide: I-PEX 82987-100B-01-D compatible replacement cable assembly solutions, which can be customized for customer PCB interfaces, cable lengths, wire sequences, AWG specifications, and testing requirements.

Why AWG40 ultra-fine coaxial cable is more suitable for high-speed signals than merely pursuing "thinner"

Engineers assessing the compatibility of the I-PEX 82987-100B-01-D cable harness cannot simply compare the appearance size and whether the connectors can fit normally. They also need to focus on the electrical structure of the AWG40 extremely thin coaxial cable itself. The extremely thin coaxial cable is usually composed of a central conductor, insulating medium, shielding layer, and outer sheath. Its advantage lies in being able to form a relatively controlled electromagnetic transmission environment around each signal conductor, making it easier to control characteristic impedance and crosstalk compared to ordinary discrete wires or simple strip lines in high-speed signal transmission. For this 60PIN cable harness, the original specification uses AWG40, 50Ω Micro-Coaxial Cable, which means that the alternative design not only needs to match the AWG wire diameter but also pay attention to conductor structure, insulation material, shielding coverage, cable outer diameter, and termination technology, as these parameters will affect insertion loss, return loss, and impedance continuity. Purchasers should not also just ask "is it AWG40" when looking for compatible products, but should confirm whether the supplier has the ability to剥线、屏蔽处理、连接器组装、线位检测以及高速电气测试. Particularly for the 60PIN high-density cable harness, if the termination length is inconsistent, the shielding treatment is unstable, or if the impedance of a particular path undergoes a sudden change, it may be amplified into误码、图像闪屏、链路不稳定等 issues in high-speed systems. Therefore, true compatibility replacement should be based on a common match in mechanical dimensions, electrical performance, and production consistency.

Three, can ultra-fine coaxial cables be used for charging lines? The answer depends on whether it is for "transmitting data" or "transmitting large current."

"Is ultra-fine coaxial cable suitable for charging lines?" is a question that often leads to misunderstandings in engineering projects. From a structural standpoint, ultra-fine coaxial cables can certainly transmit electrical power, and the CABLINE-CA series documentation also provides current capacity information for different AWG wire diameters, where the attachment data shows that AWG40 corresponds to a maximum of 0.3A/contact. Therefore, in internal connections for low-power supply, bias power, control power, or signal and small current power transmission, ultra-fine coaxial cables or similar thin wire structures can handle certain power supply functions. However, if by "charging line" we mean high-power USB-C PD charging lines for devices like smartphones, tablets, and laptops, then a single AWG40 ultra-fine coaxial cable is typically not an ideal main power conductor. This is because it has a smaller conductor cross-sectional area, higher DC resistance, and will result in significant voltage drop and temperature rise issues under several ampere currents. In other words, the primary advantage of ultra-fine coaxial cables is their high-speed signal integrity, shielding, and miniaturization, rather than their ability to carry high currents. Therefore, a more reasonable engineering approach is to use "high-speed signal Micro-Coaxial" and "power channels with thicker gauge conductors or specialized Power Wire" to form a hybrid cable assembly, rather than making all AWG40 coaxial channels bear the high current charging task. For internal cables like the I-PEX 82987-100B-01-D with 60 pins for high-speed data connections, their core positioning should still be on high-speed data connections; if the customer project requires power supply as well, we can reconfigure the cable assembly based on actual voltage, current, temperature rise, and spatial conditions, rather than mechanically copying the original cable assembly structure and using it directly as a high-power charging line.

Four, selection and compatibility and alternative solutions reference and suggestions

For engineers and purchasers seeking compatible alternatives for the I-PEX 82987-100B-01-D, it is recommended to first confirm the CABLINE-CA interface and 60PIN definition used on the PCB end, and then check whether the connector on the cable end, 20634-160T-02, 0.4MM pitch, AWG40 Micro-Coaxial cable, 200mm length, and 1-1 line position relationship are consistent with the original project. The attachment indicates that the CABLINE-CA series supports 10 to 60Pin, and supports AWG36, AWG38, AWG40, AWG42, and AWG44 Micro-Coaxial cables, while also having mechanical locks, shielding, and multi-point grounding designs. Therefore, when making compatible alternatives, it is recommended to maintain consistency in the connector mechanical structure, mating height, cable specification, and shielding grounding method. For the purchasing side, if the goal of the alternative is to reduce costs or shorten lead times, it is recommended not to simply inquire about pricing based on "same appearance as 82987-100B-01-D", but to also provide PCB connector model, cable length, Pin definition, target speed, impedance requirements, bending space, and necessary insertion loss or TDR test conditions to reduce repeated modifications in the sample stage. For projects that require domesticization, second suppliers, or custom lengths, our company can provide I-PEX 82987-100B-01-D compatible alternative cable solutions, and can conduct sample development and production evaluation around the 60PIN, 0.4MM, 20634-160T-02 interface, and AWG40 ultra-fine coaxial structure, helping engineers achieve a more stable balance between connection compatibility and high-speed performance.

I-PEX 82987-100B-01-D is a high-density internal cable assembly with a 60PIN, 0.4MM CABLINE-CA connection system and a fine AWG40 coaxial cable. Its cable end connector model is 20634-160T-02. For high-speed display, industrial vision, AI equipment, and compact electronic systems, the key to the alternative solution is not simply to achieve "can plug, can conduct," but to ensure connector compatibility, Pin definition accuracy, impedance continuity, reliable shielding, and consistency in high-speed signal performance. Although the fine coaxial cable can handle a certain amount of small current power supply, it is not equivalent to being suitable for high-power charging; when there is a simultaneous need for high-speed data and high current power supply, it is more recommended to use a mixed cable assembly design that combines high-speed coaxial channels with independent power conductor. Our company specializes in the production and manufacturing of fine coaxial cable assemblies and can provide compatible alternatives, customized line lengths, Pin definition adjustments, and engineering sample development services for products such as I-PEX 82987-100B-01-D, offering more choices for engineering design verification and procurement of second supply sources.

I am【7A Electronic Network】Focusing on the research and development of high-speed ultra-fine coaxial cable assemblies and connectors and alternative solutions. If you have selection or verification needs or product requirements, please contact: Manager Yin.18013280527（same number as WeChat）。