FRM121WFR005TM

{
  "schema_version": 1,
  "type": "component",
  "slug": "frm121wfr005tm",
  "title": "FRM121WFR005TM",
  "brief": "FOJAN Current Sense Resistors / Shunt Resistors, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "resistors",
    "frm121wfr005tm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "FRM121WFR005TM",
    "manufacturer": "FOJAN",
    "package": "1206",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763504884479856640",
    "parts": {
      "symbol": "frm121wfr005tm.kicad_sym",
      "footprint": "frm121wfr005tm.kicad_mod",
      "model_3d": "frm121wfr005tm-hero.glb",
      "model_3d_plain": "frm121wfr005tm-etched.glb",
      "model_3d_step": "frm121wfr005tm-etched.step",
      "model_3d_step_plain": "frm121wfr005tm.step",
      "lbr": "frm121wfr005tm.lbr"
    },
    "distributor_links": {
      "lcsc": "C7419996"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T23:24:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of an unpolarised resistor; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of an unpolarised resistor; either orientation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "two-terminal convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0022,
        "at": "2026-10-16T23:22:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763504884479856640",
        "pages": 12,
        "sha256": "13a1c74e6b23cc10",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "frm121wfr005tm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          1.6,
          0.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f5d1ea5c47935091292bd1c6c698e0df88d3d4bbf92bf66b4c97e49df5be9ebc",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "frm121wfr005tm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          1.6,
          0.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "935d3de39b8f2b5d851a5aba38f4f38ec0109e011be8ac7dad490fdda1aa3110",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "FOJAN",
      "Package": "1206",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "13a1c74e6b23cc103f7c52a55ce0edc65423850e201e50a32caf4d07cd5fd420",
      "rows": [
        {
          "name": "Resistance range (1206, 1 W variant)",
          "symbol": "R",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 1,
          "typ": null,
          "max": 100,
          "conditions": "1206 1W row; 0.5W row (101~200 mΩ) is a sibling and skipped",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Tolerance (part-number code F)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "PPM/℃",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "Measured 25℃ and +125℃, reference +25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power rating",
          "symbol": "P70",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "at P70",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Rated current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 31,
          "conditions": "1206 1W row",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Max overload current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "1206 1W row",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 170,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dielectric withstanding voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V DC",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "Printed in features list",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "High temperature exposure ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "T=170℃, 1000 h, measured 24 h after test",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low temperature exposure ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "T=-55℃, 1000 h, measured 24 h after test",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycling ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "1000 cycles, -55℃ to 125℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short time overload ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "5 x rated power for 5 s",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Moisture resistance ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "24 h per cycle, 10 cycles, no power",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Biased humidity ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "10% rated power, 85℃, RH 85%, 1000 h",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load life ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "1000 h at +70℃, 1.5 h ON / 0.5 h OFF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Resistance to soldering heat ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "260±5℃ solder, 10±1 s",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Mechanical shock ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "100 g, 6 ms half sine",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Vibration ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "5 g, 10-2000 Hz, 20 min, 12 cycles per axis",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Board flex ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Min 2 mm deflection, 60 s",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal shock ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "-55℃/+155℃, 1000 cycles",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ESD ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Direct contact ±6 kV; air discharge up to 25 kV",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "frm121wfr005tm"
  ],
  "discovery_pitch": "FRM121WFR005TM (FOJAN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "frm121wfr005tm.kicad_sym",
    "frm121wfr005tm.kicad_mod",
    "frm121wfr005tm.glb",
    "frm121wfr005tm.step",
    "frm121wfr005tm.lbr",
    "docs/hero.png",
    "docs/frm121wfr005tm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "frm121wfr005tm-hero.glb",
    "frm121wfr005tm-hero.overlay.json",
    "frm121wfr005tm-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}