{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "sparkfun-icm-20948-qwiic-sen-15335",
 "name": "SparkFun 9DoF IMU Breakout ICM-20948 Qwiic (SEN-15335): 1 in board, holes and Qwiic connectors",
 "kind": "modern",
 "category": "Electronic components",
 "group": "Modules, sensors & displays",
 "year": null,
 "question": "What are the SparkFun ICM-20948 Qwiic breakout (SEN-15335) dimensions and mounting-hole positions?",
 "tags": [
  "icm-20948",
  "9dof imu breakout",
  "sparkfun qwiic",
  "imu sensor board",
  "qwiic mounting holes",
  "1 inch breakout"
 ],
 "aliases": [
  "SEN-15335",
  "SparkFun ICM-20948",
  "SparkFun 9DoF IMU Breakout ICM-20948 (Qwiic)",
  "ICM-20948 breakout dimensions",
  "Qwiic 9DoF IMU",
  "SparkFun 15335"
 ],
 "overall_mm": {
  "length": 25.4,
  "width": 25.4,
  "height": 4.55
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/sparkfun-icm-20948-qwiic-sen-15335/",
 "sheet_txt": "https://xemstudio.com/objects/sparkfun-icm-20948-qwiic-sen-15335/sheet.txt",
 "sheet": {
  "basis": "SparkFun Eagle board file SparkFun_IMU_Breakout_ICM-20948.brd (SparkFun_Qwiic_9DoF_IMU_Breakout repository) and the JST SH connector datasheet.",
  "overall_mm": {
   "length": 25.4,
   "width": 25.4,
   "height": 4.55
  },
  "notes": [
   "Datum: board centre, board bottom at 0, components on top. PCB 25.40 × 25.40 (1.0 × 1.0 in), square corners, 1.6 thick (standard; not stated in the board file).",
   "Four Ø3.30 holes for M3 or #4-40 at (±10.16, ±10.16): a 20.32 square, 2.54 from each edge.",
   "Two Qwiic (JST SH 4-pin side-entry) connectors, each 4.25 × 6.00 × 2.95, centred at x ±10.10 on the centre line, openings facing the ±x edges; top at 4.55 above the board bottom.",
   "Not modelled: the two 1 × 6 0.1 in header rows along the ±y edges (plated holes, no headers fitted) and the 3 × 3 × 1 ICM-20948 at the board centre.",
   "Dimensions are exact nominal (true size), no tolerance added."
  ],
  "table": {
   "columns": [
    "hole",
    "x (mm)",
    "y (mm)",
    "Ø (mm)"
   ],
   "rows": [
    [
     "1",
     "−10.16",
     "−10.16",
     "3.30"
    ],
    [
     "2",
     "+10.16",
     "−10.16",
     "3.30"
    ],
    [
     "3",
     "−10.16",
     "+10.16",
     "3.30"
    ],
    [
     "4",
     "+10.16",
     "+10.16",
     "3.30"
    ]
   ]
  }
 },
 "sheet_text": "SparkFun 9DoF IMU Breakout ICM-20948 Qwiic (SEN-15335): 1 in board, holes and Qwiic connectors — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sparkfun-icm-20948-qwiic-sen-15335/  (sheet CC BY 4.0)\nBasis: SparkFun Eagle board file SparkFun_IMU_Breakout_ICM-20948.brd (SparkFun_Qwiic_9DoF_IMU_Breakout repository) and the JST SH connector datasheet.\nCatalog version: 2026-10-20\n\nOverall (mm): length 25.4, width 25.4, height 4.55\n- Datum: board centre, board bottom at 0, components on top. PCB 25.40 × 25.40 (1.0 × 1.0 in), square corners, 1.6 thick (standard; not stated in the board file).\n- Four Ø3.30 holes for M3 or #4-40 at (±10.16, ±10.16): a 20.32 square, 2.54 from each edge.\n- Two Qwiic (JST SH 4-pin side-entry) connectors, each 4.25 × 6.00 × 2.95, centred at x ±10.10 on the centre line, openings facing the ±x edges; top at 4.55 above the board bottom.\n- Not modelled: the two 1 × 6 0.1 in header rows along the ±y edges (plated holes, no headers fitted) and the 3 × 3 × 1 ICM-20948 at the board centre.\n- Dimensions are exact nominal (true size), no tolerance added.\n\nhole  x (mm)  y (mm)  Ø (mm)\n1  −10.16  −10.16  3.30\n2  +10.16  −10.16  3.30\n3  −10.16  +10.16  3.30\n4  +10.16  +10.16  3.30\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- SparkFun: SparkFun 9DoF IMU Breakout - ICM-20948 (Qwiic), SEN-15335 — web — Publisher's page; dimensions are facts — https://www.sparkfun.com/products/15335\n- SparkFun (GitHub): SparkFun_Qwiic_9DoF_IMU_Breakout hardware files — web — Publisher's page; dimensions are facts — https://github.com/sparkfun/SparkFun_Qwiic_9DoF_IMU_Breakout\n- JST: SH connector datasheet — web — Publisher's page; dimensions are facts — https://www.jst-mfg.com/product/pdf/eng/eSH.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/sparkfun-icm-20948-qwiic-sen-15335/index.json\nAPI: https://xemstudio.com/api/geometry?object=sparkfun-icm-20948-qwiic-sen-15335\n",
 "sources": [
  {
   "publisher": "SparkFun",
   "title": "SparkFun 9DoF IMU Breakout - ICM-20948 (Qwiic), SEN-15335",
   "url": "https://www.sparkfun.com/products/15335",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "SparkFun (GitHub)",
   "title": "SparkFun_Qwiic_9DoF_IMU_Breakout hardware files",
   "url": "https://github.com/sparkfun/SparkFun_Qwiic_9DoF_IMU_Breakout",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "JST",
   "title": "SH connector datasheet",
   "url": "https://www.jst-mfg.com/product/pdf/eng/eSH.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "jst-sh-connector",
  "adafruit-stemma-qt-breakouts",
  "threaded-standoffs-metric",
  "imperial-machine-screws",
  "socket-head-cap-screws-metric"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [
  {
   "feature": "mounting holes",
   "exact": "4 × Ø3.30 on 20.32 × 20.32",
   "mates": "M3 or #4-40 screws and standoffs",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "Qwiic connectors",
   "exact": "JST SH 4-pin, 1.0 pitch",
   "mates": "Qwiic / STEMMA QT cables",
   "fit": "socket",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. ISO 286 equivalent: H7/p6 (locational interference) or tighter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. ISO 286 equivalent: H7/g6 or H7/h6.",
  "run": "turns or slides in use: pin in a link, rod through a guide. ISO 286 equivalent: H8/f7 (close running).",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. ISO 286 equivalent: H9/d9 (free running) or looser.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "How big is the SparkFun ICM-20948 breakout?",
   "a": "25.4 × 25.4 mm (1 × 1 in), 4.55 mm tall at the Qwiic connectors."
  },
  {
   "q": "Where are the mounting holes?",
   "a": "Four Ø3.30 mm holes on a 20.32 mm square, 2.54 mm in from each edge, for M3 or #4-40."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "sparkfun-icm-20948-qwiic-sen-15335",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sparkfun-icm-20948-qwiic-sen-15335/sparkfun-icm-20948-qwiic-sen-15335.step",
   "stl": "https://xemstudio.com/files/hardware/sparkfun-icm-20948-qwiic-sen-15335/sparkfun-icm-20948-qwiic-sen-15335.stl",
   "note": "SparkFun 9DoF IMU Breakout ICM-20948 Qwiic (SEN-15335): 1 in board, holes and Qwiic connectors"
  }
 ],
 "markdown": "https://xemstudio.com/objects/sparkfun-icm-20948-qwiic-sen-15335/index.md"
}