BLM18RK102SN1D

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  "type": "component",
  "slug": "blm18rk102sn1d",
  "title": "BLM18RK102SN1D",
  "brief": "Murata Electronics Ferrite Beads, 0603. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "manufacturer": "Murata Electronics",
    "package": "0603",
    "pin_count": 2,
    "category": "Filters",
    "subcategory": "Ferrite Beads",
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    "parts": {
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      "footprint": "blm18rk102sn1d.kicad_mod",
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      "model_3d_plain": "blm18rk102sn1d-etched.glb",
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      "lbr": "blm18rk102sn1d.lbr"
    },
    "distributor_links": {
      "lcsc": "C88986",
      "mouser": "81-BLM18RK102SN1D"
    },
    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
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      "mouser": {
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    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "One terminal electrode of the two-terminal ferrite bead (series element, 1000Ω±25% at 100MHz, rated 200mA, max DC resistance 0.80Ω); the part is non-polarised so the terminals are interchangeable."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Other terminal electrode of the two-terminal ferrite bead (series element, 1000Ω±25% at 100MHz, rated 200mA, max DC resistance 0.80Ω); the part is non-polarised so the terminals are interchangeable."
      }
    ],
    "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": [
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          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "pages_sent": 12,
        "cost_usd": 0.2202,
        "at": "2026-10-19T10:24:18"
      },
      "datasheet": {
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        "pages": 12,
        "sha256": "f2b3b23d6ae4da86",
        "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",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0136ad7160588d2f5dac8c85da84a35646db656b5bc54bbb873b6b548eedbb3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "blm18rk102sn1d-etched.step",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
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        "sha256": "1c15607b33c86b44a02f9d68796fbf708d6679b0fe5db28385ccbbfceccacd74",
        "checked": "2026-10-19",
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Murata Electronics",
      "Package": "0603",
      "Category": "Filters",
      "Pins": "2"
    },
    "characteristics": {
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      "source": "datasheet",
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      "rows": [
        {
          "name": "DC resistance (initial, max)",
          "symbol": "DCR",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Initial value, measured with digital multimeter",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC resistance (second column, max)",
          "symbol": "",
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          "typ": null,
          "max": 0.9,
          "conditions": "",
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        },
        {
          "name": "Impedance tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "Impedance at 100MHz",
          "source_page": 1,
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        },
        {
          "name": "Impedance change after resistance to soldering heat",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "Impedance at 100MHz; pre-heating 150°C±10°C, solder Sn-3.0Ag-0.5Cu at 270°C±5°C, immersion 10 s",
          "source_page": 5,
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        },
        {
          "name": "Impedance change after temperature cycle",
          "symbol": "",
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          "max": 30,
          "conditions": "Impedance at 100MHz; -55°C to +125°C, total of 100 cycles",
          "source_page": 6,
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        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
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          "conditions": "",
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          "conditions": "",
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        },
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          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Reflow limit soldering profile peak temperature",
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          "conditions": "Limit reflow profile, 10 s; 2 cycles of reflow",
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        },
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          "max": null,
          "conditions": "At 100MHz, standard testing condition",
          "source_page": 1,
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        }
      ]
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  },
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  "discovery_triggers": [
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  "discovery_pitch": "BLM18RK102SN1D (Murata Electronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}