main
Ray Set visibility: public 7333439 12d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "blm21ag102sh1d",
  "title": "BLM21AG102SH1D",
  "brief": "Murata Electronics Ferrite Beads, 0805. 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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    "blm21ag102sh1d",
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    "extractor-text"
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  "component": {
    "mpn": "BLM21AG102SH1D",
    "manufacturer": "Murata Electronics",
    "package": "0805",
    "pin_count": 2,
    "category": "Filters",
    "subcategory": "Ferrite Beads",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918656184672256",
    "parts": {
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      "footprint": "blm21ag102sh1d.kicad_mod",
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      "model_3d_plain": "blm21ag102sh1d-etched.glb",
      "model_3d_step": "blm21ag102sh1d-etched.step",
      "model_3d_step_plain": "blm21ag102sh1d.step",
      "lbr": "blm21ag102sh1d.lbr"
    },
    "distributor_links": {
      "lcsc": "C337882",
      "digikey": "490-10664-2-ND",
      "mouser": "81-BLM21AG102SH1D"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T16:38:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "490-10664-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "81-BLM21AG102SH1D",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First electrode of the single-circuit ferrite bead (1000±25% Ω at 100MHz, 0.27Ω max DC resistance at 85°C, 600mA rated current); the part is non-polar and the terminals are interchangeable."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second electrode of the single-circuit ferrite bead (1000±25% Ω at 100MHz, 0.27Ω max DC resistance at 85°C, 600mA rated current); the part is non-polar and the terminals are interchangeable."
      }
    ],
    "provenance": {
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      "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 does not print pin numbers. Page 3 shows two end electrodes and an equivalent circuit ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.2371,
        "at": "2026-10-29T16:38:28"
      },
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        "pages": 12,
        "sha256": "4001d89ba5c558f1",
        "source_tier": "lcsc"
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      "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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          1.25,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "751a8ae26d20698bfe8303aa2fc7ec986a8b9a7154699b94bf2a13d4ad401425",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "blm21ag102sh1d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a530594b7e5ad19e6a1827699c8a1afe092af8e82f1cae248ef34428b1dbc783",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Murata Electronics",
      "Package": "0805",
      "Category": "Filters",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4001d89ba5c558f187150434595d136dc55c954b0051f4abb85b8084b5162871",
      "rows": [
        {
          "name": "Impedance tolerance at 100 MHz",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "Impedance measured at 100MHz±1MHz (Keysight 4291A, 16192A fixture)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC resistance max (first printed value)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.27,
          "conditions": "Standard testing conditions (*1); column label unclear, see review",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC resistance max (second printed value)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.37,
          "conditions": "Standard testing conditions (*1); column label unclear, see review",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Impedance change after mechanical shock (Table B)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "MIL-STD-202 Method 213, Condition F, 1500g/0.5ms half sine; impedance change at 100MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Impedance change after vibration (Table B)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "5g, 10-2000Hz, 20 min x 12 cycles x 3 orientations; impedance change at 100MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Impedance change after board flex (Table B)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "Board flex 2mm min, 60s min holding; impedance change at 100MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Impedance change after electrical characterization",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "AEC-Q200 item 19, impedance change at 100MHz (applies to BLM21 except SN series)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
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          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Impedance at 100MHz (nominal)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1000,
          "max": null,
          "conditions": "Measured at 100MHz±1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rated current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 600,
          "max": null,
          "conditions": "No derating mark (*2) printed for this part",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
    "blm21ag102sh1d"
  ],
  "discovery_pitch": "BLM21AG102SH1D (Murata Electronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "blm21ag102sh1d-hero.overlay.json",
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}