main
Ray Set visibility: public 3882615
{
  "schema_version": 1,
  "type": "component",
  "slug": "rbj-12rr120ft",
  "title": "RBJ-12RR120FT",
  "brief": "FH Guangdong Fenghua Advanced Tech Current Sense Resistors / Shunt Resistors, 2512. 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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    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
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    "manufacturer": "FH Guangdong Fenghua Advanced Tech",
    "package": "2512",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602958593184714752",
    "parts": {
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      "footprint": "rbj-12rr120ft.kicad_mod",
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      "model_3d_step": "rbj-12rr120ft-etched.step",
      "model_3d_step_plain": "rbj-12rr120ft.step",
      "lbr": "rbj-12rr120ft.lbr"
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    "distributor_links": {
      "lcsc": "C19269963"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T04:14:29Z",
      "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 2512 chip current-sense resistor, an external electrode (6.30±0.20 mm long body) with the recommended land pattern in the datasheet's pad-dimension table."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal of the 2512 chip current-sense resistor, an external electrode at the opposite end of the body, interchangeable with the first because the resistor is non-polarised."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 a generic chip-resistor series sheet for a two-terminal part. It prints no pin numb; The datasheet's ordering-code tables (Power Rating Code and Type) cover the RBF series (e.g. RBF06MR",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 17,
        "cost_usd": 0.2834,
        "at": "2026-11-07T04:14:20"
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        "pages": 17,
        "sha256": "b0c89e8b81ab939d",
        "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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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.2,
          0.6
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "76b2052a3c120193de7cdc0af99157b6f375e9a4af7721e3e3d012968c877f27",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rbj-12rr120ft-etched.step",
        "role": "eda",
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        "seat": "z = 0",
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        "sha256": "00434014cd96527d22e6ff58b313c55595d616cead089574b10e538ed0c8d630",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "FH Guangdong Fenghua Advanced Tech",
      "Package": "2512",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b0c89e8b81ab939dd5aaf12ef0f12884dc68079e1ab3495ebb85afeec7a751a4",
      "rows": [
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          "name": "Resistance tolerance (code F)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Temperature coefficient of resistance (code R)",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -700,
          "typ": null,
          "max": 700,
          "conditions": "T.C.R code R; applies to resistance range 100~199 mΩ (page 3 table)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Max. overload voltage (2512)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "AC RMS, ~100 V/s ramp between substrate and terminations, 60 s ±5 s",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 1000,
          "typ": null,
          "max": null,
          "conditions": "DC 100 V ±15 V between substrate and terminations, 1 min",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ΔR endurance at 70°C",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "1000 h at 70 ±2°C, rated voltage 1.5 h ON / 0.5 h OFF; plus 0.5 mΩ absolute term (not in min/max)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ΔR endurance at upper category temperature",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "1000 h at 155 ±2°C; plus 0.5 mΩ absolute term (not in min/max)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ΔR component solvent resistance",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Iso-propyl alcohol 23 ±5°C, 10 h; plus 0.5 mΩ absolute term (not in min/max)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ΔR operation at low temperature",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "-55 ±5°C, 1 h without load, rated voltage 45 min, 15 min without load; plus 0.5 mΩ absolute term (not in min/max)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ΔR damp heat, steady state",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "40 ±2°C, 93 ±3% RH, 1000 h, rated voltage 1.5 h ON / 0.5 h OFF; plus 0.5 mΩ absolute term (mapping to be verified)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ΔR short time overload",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "2.5 times rated voltage for 5 s; plus 0.5 mΩ absolute term (mapping to be verified)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ΔR rapid change of temperature",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "-55 (30 min) / normal (5 min) / 155 (30 min), 300 cycles; plus 0.5 mΩ absolute term (not in min/max)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ΔR substrate bending test",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Bending distance 2 mm (2010/2512), duration 60 s ±5 s; plus 0.5 mΩ absolute term (not in min/max)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ΔR resistance to soldering heat",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%R",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Lead-free solder bath 270 ±5°C, 10 s ±1 s; plus 0.5 mΩ absolute term (not in min/max)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
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          "min": -55,
          "typ": null,
          "max": 155,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rated power",
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          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Rating power at 70°C ambient (code J = 1 W); derate above 70°C per page-2 curve",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 5,
          "typ": null,
          "max": 30,
          "conditions": "Storage; suggested use within six months of receipt",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Storage relative humidity",
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          "kind": "recommended_operating",
          "unit": "%",
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          "typ": null,
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          "conditions": "Storage; suggested use within six months of receipt",
          "source_page": 15,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "RBJ-12RR120FT (FH Guangdong Fenghua Advanced Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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  "visibility": {
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}