Ohmite LVK12R020DER four-terminal Kelvin shunt

{
  "mpn": "LVK12R020DER",
  "retrievalDate": "2026-10-11",
  "datasheet": {
    "url": "https://www.ohmite.com/assets/files/Datasheets/lvk-series.pdf?r=false",
    "sha256": "c6c9db45fe61b11db81a531465b4855d4b6a457a79cd24e7f8925c60c56d2032",
    "pages": {
      "ratings": 1,
      "mechanical": 2,
      "ordering": 3
    }
  },
  "research": {
    "manufacturer": "https://www.ohmite.com/res-lvk/",
    "exactManufacturerStep": "No downloadable exact-part manufacturer STEP located in searched resources; not an exhaustive absence claim",
    "distributorCad": "DigiKey model page checked; no distributor CAD reused",
    "distributorIdentity": "https://www.digikey.com/en/products/detail/ohmite/LVK12R020DER/1632798"
  },
  "model": {
    "authorship": "Original Adom nominal reconstruction",
    "generator": "build_model.py",
    "kernel": "Existing shared OCP environment",
    "units": "mm in STEP; meters in GLB",
    "axes": "Z up; terminal 1 at X negative Y negative in model coordinates, corresponding to lower-left in footprint top view",
    "nominalMm": {
      "L": 3.2,
      "W": 1.6,
      "t": 0.5,
      "terminal_a": 1,
      "terminal_b": 0.55
    },
    "limitsMm": {
      "L": [
        3,
        3.4
      ],
      "W": [
        1.4,
        1.8
      ],
      "t": [
        0.35,
        0.65
      ],
      "terminal_a": [
        0.8,
        1.2
      ],
      "terminal_b": [
        0.35,
        0.75
      ]
    },
    "assumptions": [
      "Plating wrap thickness 0.05 mm illustrative, not specified",
      "Internal substrate/coating layers and colors illustrative",
      "No physical sample or manufacturer CAD comparison",
      "No production markings reconstructed"
    ]
  },
  "footprint": {
    "authorship": "Original Adom, based on manufacturer example land pattern",
    "padSizeMm": [
      1.75,
      1.1
    ],
    "padCentersMm": [
      [
        -1.375,
        0.7
      ],
      [
        -1.375,
        -0.7
      ],
      [
        1.375,
        -0.7
      ],
      [
        1.375,
        0.7
      ]
    ],
    "pinNumbers": "Library-defined mapping; manufacturer drawing labels current and sense function",
    "source": "Ohmite LVK series PDF page 2"
  },
  "symbol": {
    "source": "KiCad Device:R_Shunt",
    "license": "CC-BY-SA-4.0 with KiCad library exception",
    "modifications": "Exact-part metadata and explicit current/sense pin names"
  },
  "qualification": "Provisional; physical geometry, manufacturing process and native EDA parity remain unqualified",
  "assetSha256": {
    "lvk12r020der.lbr": "2695cf85916f16247ed069b69923e7ee46fd9efe61e2e61debb2cc79d68a2efe",
    "lvk12r020der.step": "0b43dbfcdbd5fc40000a792b3fa6b417a57059a50997ad7604a361a0c2e2330f",
    "lvk12r020der-hero.glb": "d56ec1d449fc263d1f0367849b3506709e0f6834ec29099a1fa6f0dbd07d4354",
    "lvk12r020der.kicad_sym": "fb07ae49e2289986093b5cdde632b0459f870d0706a7d288f71f390d18a2bd43",
    "lvk12r020der.kicad_mod": "ac9ed1b1e37ad5746296ab95bb98d7445417f8d4a5587394f9da307d6ca58c60",
    "lvk12r020der.glb": "548a7eeb4f4665cc6fcb316be19b8cffef3d313f82c9fab91e2ee5db7f3a19d5"
  },
  "visualReview": "1920x1200 STEP thumbnail inspected: four terminals, no overlapping coating/substrate flicker; nominal shape only. Wiki interactive review pending."
}