1206W4J050KT5E

{
  "schema_version": 1,
  "type": "component",
  "slug": "1206w4j050kt5e",
  "title": "1206W4J050KT5E",
  "brief": "UNI-ROYAL(Uniroyal Elec) Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "resistors",
    "1206w4j050kt5e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "1206W4J050KT5E",
    "manufacturer": "UNI-ROYAL(Uniroyal Elec)",
    "package": "1206",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586177887263604736",
    "parts": {
      "symbol": "1206w4j050kt5e.kicad_sym",
      "footprint": "1206w4j050kt5e.kicad_mod",
      "model_3d": "1206w4j050kt5e-hero.glb",
      "model_3d_plain": "1206w4j050kt5e.glb",
      "model_3d_step": "1206w4j050kt5e.step",
      "model_3d_step_plain": "1206w4j050kt5e.step",
      "lbr": "1206w4j050kt5e.lbr"
    },
    "distributor_links": {
      "lcsc": "C247433"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T11:20:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First terminal electrode of the 1206 chip resistor (1/4W, ±5%, max working voltage 200V, max overload voltage 400V); the part is non-polarized so either end may be used."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal electrode of the 1206 chip resistor (1/4W, ±5%, max working voltage 200V, max overload voltage 400V); the part is non-polarized so either end may be used."
      }
    ],
    "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 is for a two-terminal chip resistor and its package drawing (page 4) shows terminals A",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2428,
        "at": "2026-11-06T11:20:06"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586177887263604736",
        "pages": 9,
        "sha256": "ead41539e1d133bd",
        "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": "1206w4j050kt5e.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": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "1206w4j050kt5e-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": "0e79b9d6e597b1f8b784684c776ff4f4597929a0ab0ece921f172224b132b8dd",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UNI-ROYAL(Uniroyal Elec)",
      "Package": "1206",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ead41539e1d133bd82bb0c3e8fd00565bf3c60d770c0420ae36153b3d2da0322",
      "rows": [
        {
          "name": "Resistance tolerance (J code, ±5%)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Part No. 7th code J = ±5%",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "PPM/°C",
          "min": -800,
          "typ": null,
          "max": 800,
          "conditions": "0.03Ω＜R＜1Ω",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Max. working voltage (1206)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Max. overload voltage (1206)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dielectric withstanding voltage (1206)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 155,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Solderability coverage",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 95,
          "typ": null,
          "max": null,
          "conditions": "Solder at 245±3°C; dwell 2~3 seconds",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 1000,
          "typ": null,
          "max": null,
          "conditions": "(100±15)V or dielectric withstanding voltage, 1 min",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short-time overload resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "2.5 times RCWV or Max. Overload Voltage whichever less, 5 seconds; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short-time overload resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "2.5 times RCWV or Max. Overload Voltage whichever less, 5 seconds; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Rapid change of temperature resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "30 min at -55°C and 30 min at 155°C; 100 cycles; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Rapid change of temperature resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "30 min at -55°C and 30 min at 155°C; 100 cycles; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Soldering heat resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Dip in solder bath 260℃±5℃ for 10±1 seconds",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Soldering heat resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "Dip in solder bath 260℃±5℃ for 10±1 seconds",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Terminal bending resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Twist of test board Y/X = 3/90 mm for 60 seconds",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Terminal bending resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "Twist of test board Y/X = 3/90 mm for 60 seconds",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Humidity (steady state) resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "240 hours at 40±2℃, 90-95% RH; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Humidity (steady state) resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "240 hours at 40±2℃, 90-95% RH; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load life in humidity resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "1000 hours (1.5 h ON, 0.5 h OFF) at RCWV, 40℃±2℃, 93%±3% RH; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load life in humidity resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "1000 hours (1.5 h ON, 0.5 h OFF) at RCWV, 40℃±2℃, 93%±3% RH; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load life resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "1000 hours (1.5 h ON, 0.5 h OFF) at RCWV, 70℃±2℃; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load life resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "1000 hours (1.5 h ON, 0.5 h OFF) at RCWV, 70℃±2℃; ±2%,±5% class",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low temperature storage resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "IEC 60068-2-1 (Aa), lower limit temperature, 2 h; ±2%,±5% class",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low temperature storage resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "IEC 60068-2-1 (Aa), lower limit temperature, 2 h; ±2%,±5% class",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High temperature exposure resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "MIL-STD-202 108A, upper limit temperature, 1000 h; ±2%,±5% class",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High temperature exposure resistance change (absolute term)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": -0.05,
          "typ": null,
          "max": 0.05,
          "conditions": "MIL-STD-202 108A, upper limit temperature, 1000 h; ±2%,±5% class",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Nominal resistance (decoded from MPN)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reflow peak temperature (Tp)",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Recommended Pb-free reflow profile",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Allowed re-flow times",
          "symbol": "",
          "kind": "thermal",
          "unit": "times",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Recommended reflow profile",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "1206w4j050kt5e"
  ],
  "discovery_pitch": "1206W4J050KT5E (UNI-ROYAL(Uniroyal Elec)) 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",
    "1206w4j050kt5e.kicad_sym",
    "1206w4j050kt5e.kicad_mod",
    "1206w4j050kt5e.glb",
    "1206w4j050kt5e.step",
    "1206w4j050kt5e.lbr",
    "docs/hero.png",
    "docs/1206w4j050kt5e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "1206w4j050kt5e-hero.glb",
    "1206w4j050kt5e-hero.overlay.json"
  ],
  "visibility": "public",
  "description": "UNI-ROYAL(Uniroyal Elec) Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "org": "adom"
}