main
Ray Set visibility: public adffcb5
{
  "schema_version": 1,
  "type": "component",
  "slug": "msr12a1r010f2",
  "title": "MSR12A1R010F2",
  "brief": "prosemi Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "extractor-text"
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    "manufacturer": "prosemi",
    "package": "1206",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590918849670311936",
    "parts": {
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      "footprint": "msr12a1r010f2.kicad_mod",
      "model_3d": "msr12a1r010f2-hero.glb",
      "model_3d_plain": "msr12a1r010f2-etched.glb",
      "model_3d_step": "msr12a1r010f2-etched.step",
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      "lbr": "msr12a1r010f2.lbr"
    },
    "distributor_links": {
      "lcsc": "C21261092"
    },
    "distributor_check": {
      "checked_at": "2026-11-08T22:41:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First terminal of the 2-terminal MSR12A 1206 metal alloy current-sense resistor (1.5~20 mΩ, 1 W at 70°C), non-polarized and interchangeable with terminal 2."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal of the 2-terminal MSR12A 1206 metal alloy current-sense resistor (1.5~20 mΩ, 1 W at 70°C), non-polarized and interchangeable with terminal 1."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin numbers or pin names. It shows a 2-terminal chip resistor (part code 'A' ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1829,
        "at": "2026-11-08T22:41:34"
      },
      "datasheet": {
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        "pages": 7,
        "sha256": "216066e52aa868f6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f5d1ea5c47935091292bd1c6c698e0df88d3d4bbf92bf66b4c97e49df5be9ebc",
        "checked": "2026-11-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "msr12a1r010f2-etched.step",
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        "sha256": "75bda14b2dfff30c729aa2354c113b6f6445cc7535c64b7ce438450c59df7081",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "prosemi",
      "Package": "1206",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "216066e52aa868f603db5604f8cd31b650d1c5c2ca17a2884bd19cdad64b93c1",
      "rows": [
        {
          "name": "Resistance tolerance (code F = ±1%)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Resistance tolerance code F, per part-number table",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance (TCR)",
          "symbol": "TCR",
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          "unit": "ppm/℃",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "10 mΩ in 5~20 mΩ range (MSR12A, 1.0 W row)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "MSR12A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak reflow temperature (Pb-free)",
          "symbol": "TP",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Pb-free reflow; time within 5°C of peak 20–40 s",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short time overload resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Overload 5 s at 4× rated power, 1206, 1.5≤R≤10 mΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Solder coverage",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 95,
          "typ": null,
          "max": null,
          "conditions": "Solderability: solder temp 245±5℃, dipping 3±0.5 s",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Bias humidity resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "+85℃, 85% RH, 10% bias, 1000 h; 1.5~10 mΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycling resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "-55℃ (15 min)/+150℃ (15 min), 300 cycles",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Resistance to soldering heat resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
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          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "260℃±5℃, 12 s ±0.5 s",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low temperature storage resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "-55℃, 1000 h, no power",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High temperature storage resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "150℃, 1000 h, no power",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Vibration resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "5g for 20 min, 12 cycles each of 3 orientations, 10 Hz–2000 Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Moisture resistance resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "MIL-STD-202 method 106, no power",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operational life resistance change",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "70℃±2℃, 1000 h, rated power 1.5 h ON / 0.5 h OFF; 1206, 10~14 mΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Nominal resistance",
          "symbol": "R",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Resistance code R010 (decoded per marking/part-number table)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rated power",
          "symbol": "P",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Power rating at 70℃",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "MSR12A1R010F2 (prosemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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}