MLX90614ESF-BCI-000-TU - 3 V Digital IR Thermometer, 5 deg FOV

{
 "schema": "adom/footprint-provenance@1",
 "mpn": "MLX90614ESF-BCI-000-TU",
 "file": "mlx90614esf-bci-000-tu.kicad_mod",
 "sha256": "31a5f115a7026865451a389c3773c407332eec475aefcde2a1569aaa98736810",
 "source": {
  "library": "KiCad official footprint library (CC-BY-SA 4.0 with the KiCad library exception)",
  "footprint": "Package_TO_SOT_THT.pretty/TO-39-4.kicad_mod",
  "url": "https://gitlab.com/kicad/libraries/kicad-footprints/-/raw/master/Package_TO_SOT_THT.pretty/TO-39-4.kicad_mod",
  "sha256": "d9f579fa10f86acb9a6be0a43ca537e34c7619520000a1da5dd4789a3ff3809a",
  "same_as_kicad_10_0_install": true
 },
 "changes": [
  "footprint name, descr, tags and Value set to this part",
  "F.Fab body circle radius 4.25 -> 4.575 (the datasheet's 9.15 mm header, p.49)",
  "3D model path: KiCad's ${KICAD10_3DMODEL_DIR}/.../TO-39-4.step does not exist in the library; points at ${KIPRJMOD}/mlx90614esf-bci-000-tu-etched.step (copy the STEP next to the project or edit the path)"
 ],
 "unchanged": "pads, drills, silkscreen, courtyard, pin-1 tab mark and the origin (pad 1)",
 "datasheet_check": {
  "datasheet": "Melexis MLX90614 Rev 021 p.6 Figure 1, p.47 to p.49 Figures 41 to 46",
  "checks": [
   {
    "item": "lead circle",
    "datasheet": "5.08 mm",
    "footprint": "pads on a 5.08 mm circle (2.54 from the centre at 2.54, 0)",
    "result": "pass"
   },
   {
    "item": "lead diameter vs drill",
    "datasheet": "0.45 +/-0.04 (max 0.49)",
    "footprint": "0.70 drill (0.21 diametral clearance at the largest lead)",
    "result": "pass"
   },
   {
    "item": "pad size",
    "datasheet": "no land pattern given",
    "footprint": "1.20 round, pad 1 1.60 x 1.20 oval (KiCad TO-39 generator)",
    "result": "note: KiCad pattern used, the datasheet gives none"
   },
   {
    "item": "pin order",
    "datasheet": "bottom view: 1 SCL, 2 SDA/PWM, 3 VDD, 4 VSS, tab between 1 and 4",
    "footprint": "top view: 1 left, 2 bottom, 3 right, 4 top, tab mark upper left (between 1 and 4); the datasheet bottom view mirrored",
    "result": "pass"
   },
   {
    "item": "courtyard vs header",
    "datasheet": "header 9.15 +0.20 (radius up to 4.675), tab tip about 5.46 from the axis",
    "footprint": "courtyard radius 4.95, tab outline to about 6.1",
    "result": "pass"
   },
   {
    "item": "fits other variants",
    "datasheet": "every MLX90614 drawing (xxA, xCC, xCF, xCH, xCI, xCK) shows 0.45 leads on a 5.08 circle with the 45 deg tab",
    "footprint": "same land pattern",
    "result": "pass"
   }
  ]
 },
 "pin1_proof": "docs/proof/mlx90614esf-bci-000-tu-pin1-bottom-view.png",
 "date": "2026-10-21"
}