7499111121A

{
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  "mpn": "7499111121A",
  "manufacturer": "Würth Elektronik",
  "generated_utc": "2026-10-17T19:16:13Z",
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  "sources": [
    {
      "title": "Wurth datasheet 7499111121A rev 003.000 (dimensions, hole pattern, schematic, electrical and LED properties)",
      "url": "https://www.we-online.com/components/products/datasheet/7499111121A.pdf",
      "revision": "rev 003.000, 2023-07-11, status Valid",
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      "redistributed": false
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    {
      "title": "Wurth STEP model (reference only, used to cross-check the envelope and LED positions; not redistributed)",
      "url": "https://www.we-online.com/components/products/download/7499111121A%20(rev1).stp",
      "revision": "rev1, 2023-02-06, Solid Edge",
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  "distributors_checked_utc": "2026-10-17T18:00:00Z",
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      "description": "10 signal holes d0.9 (two rows, 1.27 mm stagger), 4 LED holes d1.03, 2 shield holes d1.6, 2 NPTH locating posts d3.25. Origin at the body centre; the port opening faces KiCad +Y (Dwgs.User line marks the panel 2.03 mm behind the front).",
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        "The datasheet labels pin 9 VCC. For a voltage-mode PHY it is commonly decoupled to ground rather than tied to a supply; check the PHY vendor's guidance.",
        "Wurth gives drill sizes only. The annular rings (1.5 mm on d0.9, 1.6 mm on d1.03, 2.4 mm on d1.6) were chosen for this footprint. The hole-pattern view on page 1 was read as the top view: it is the mirror of the pin-tail (bottom) view on the same page."
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  "not_published": "Manufacturer PDFs and manufacturer STEP models were read for reference only; none is on this page. Their sha256 values above identify the copies that were read.",
  "assumptions": [
    "Pins 1 to 8 are the PHY side of the four transformer channels: D1+/D1- (pins 1/2, RJ45 contacts 1/2), D2+/D2- (pins 3/6, contacts 3/6), D3+/D3- (pins 4/5, contacts 4/5), D4+/D4- (pins 7/8, contacts 7/8). Pin 9 (VCC in the datasheet) is the common PHY-side centre tap, pin 10 (GND) the termination ground.",
    "The datasheet labels pin 9 VCC. For a voltage-mode PHY it is commonly decoupled to ground rather than tied to a supply; check the PHY vendor's guidance.",
    "Wurth gives drill sizes only. The annular rings (1.5 mm on d0.9, 1.6 mm on d1.03, 2.4 mm on d1.6) were chosen for this footprint. The hole-pattern view on page 1 was read as the top view: it is the mirror of the pin-tail (bottom) view on the same page."
  ]
}