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ATTEND 125B‑78C00 MXM 3.0 Connector Horizontal SMT 314 Position Gold Flash

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HT Part No. HT303934

Mfr. Part No. 125B-78C00

Manufacturer: ATTEND

Technical Documents: Datasheet(datasheets)

288 - In Stock pcs
Price:
£ 7.97
Units Per Unit Price
1 - 349 £ 7.97
350 + £ 7.25
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Product Specification

Product Attributes
Contact Material Copper Alloy+Au Plated
Contact Finish N/A
Rohs ROHS
Manufacturer ATTEND
Number of Pins 314 Pins
Pitch 0.50mm
Series 125B
Gender N/A
Mounting Type SMT R/A
Number of Rows N/A
Opreating Temperature -40°C~+85°C
Packaging TAPE&REEL

More Information

The ATTEND 125B-78C00 is a high-density MXM 3.0 connector designed to support today's embedded computing modules, such as SMARC, EDM, Apalis, and PCIe-based systems. Its compact 0.50 mm pitch and 314-pin configuration enable a reduced PCB footprint while delivering the reliable signal integrity required in high-performance B2B and industrial applications.

Moreover, this connector is built on robust engineering, featuring a low-profile height of 7.8 mm, which extends the module mating surface 5 mm above the main board, thereby eliminating the need for costly board cutouts.

Unique Features of this MXM 3.0 Connector Include

  • Connector Type: MXM 3.0 (edge card), 314 female contacts
  • Height: 7.8 mm; module mating height 5.0 mm
  • Mounting Style: Surface-mount, right-angle, SMD
  • Insulation Material: Liquid Crystal Polymer (LCP), UL94 V‑0 rated
  • Contact Material: Copper alloy with gold plating (typical thickness ~5 µin / 0.127 µm)
  • Operating Range: −40 °C to +85 °C
  • Durability: ~30 mating cycles, suitable for robust deployment

Benefits You Get

  • Saves PCB real estate and reduces carrier board complexity due to its laser‑precise low‑profile design.
  • Ensures high-speed signal fidelity across various interfaces in compact and rugged embedded applications.

Product Use Cases

  • Embedded edge computing
  • Industrial controllers
  • Telematics
  • AI accelerators
  • Gaming systems

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