main
Ray Set visibility: public 30a1097 18h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lqm21dh330m70l",
  "title": "LQM21DH330M70L",
  "brief": "Murata Electronics Inductors (SMD), 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": [
    "component",
    "inductors, coils, chokes",
    "lqm21dh330m70l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LQM21DH330M70L",
    "manufacturer": "Murata Electronics",
    "package": "0805",
    "pin_count": 2,
    "category": "Inductors, Coils, Chokes",
    "subcategory": "Inductors (SMD)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589031935897448448",
    "parts": {
      "symbol": "lqm21dh330m70l.kicad_sym",
      "footprint": "lqm21dh330m70l.kicad_mod",
      "model_3d": "lqm21dh330m70l-hero.glb",
      "model_3d_plain": "lqm21dh330m70l-etched.glb",
      "model_3d_step": "lqm21dh330m70l-etched.step",
      "model_3d_step_plain": "lqm21dh330m70l.step",
      "lbr": "lqm21dh330m70l.lbr"
    },
    "distributor_links": {
      "lcsc": "C1512142",
      "digikey": "490-LQM21DH330M70LTR-ND",
      "mouser": "81-LQM21DH330M70L"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T04:27:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "490-LQM21DH330M70LTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "81-LQM21DH330M70L",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Terminal 1",
        "type": "passive",
        "description": "One end of the 33 µH ±20% winding (inductance at 1 MHz), 2.30 Ω typ / 2.99 Ω max DC resistance, rated 80 mA (inductance-change basis) or 200 mA at 150°C ambient (temperature-rise basis)."
      },
      {
        "number": "2",
        "name": "Terminal 2",
        "type": "passive",
        "description": "Other end of the 33 µH winding, interchangeable with terminal 1, with self-resonant frequency of 16 MHz min."
      }
    ],
    "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 package drawing (page 2) shows two plain end electrodes with no pin numbers. The labels 'Termina",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1969,
        "at": "2026-11-07T04:27:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589031935897448448",
        "pages": 9,
        "sha256": "2d441572c21e228e",
        "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"
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        "file": "lqm21dh330m70l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.25,
          1.25
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "751a8ae26d20698bfe8303aa2fc7ec986a8b9a7154699b94bf2a13d4ad401425",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lqm21dh330m70l-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,
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        "sha256": "12506568e88c973682279fe51e631dfe2cc097b7b9b9ddaba70796a781c92877",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Murata Electronics",
      "Package": "0805",
      "Category": "Inductors, Coils, Chokes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2d441572c21e228eae1159df33e33057033dae05b708b5c294bfc92e1cf2712f",
      "rows": [
        {
          "name": "Inductance (nominal)",
          "symbol": "",
          "kind": "electrical",
          "unit": "µH",
          "min": null,
          "typ": 33,
          "max": null,
          "conditions": "Measured at 1 MHz, 1 mA (Keysight 4294A), per 7.1",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Inductance tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "DC resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 2.3,
          "max": 2.99,
          "conditions": "Digital multimeter, per 7.2",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Self-resonant frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 16,
          "typ": null,
          "max": null,
          "conditions": "Keysight 4294A, per 7.3",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Inductance change at rated current",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "When rated current is applied",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Temperature rise at rated current",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "When rated current is applied; self-generated heat",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Inductance change after high temperature exposure",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "After 1000 h at 150°C (AEC-Q200 item 3)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Inductance change after temperature cycling",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "After 1000 cycles, -55°C to +150°C (AEC-Q200 item 4)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Inductance change after biased humidity",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "After 1000 h at 85°C, 85% RH, unpowered (AEC-Q200 item 7)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Inductance change after operational life",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "After 150°C, 1000 h (AEC-Q200 item 8)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD rank 4 (HBM)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 6,
          "typ": null,
          "max": 8,
          "conditions": "Rank 4: 6 kV to < 8 kV, per AEC-Q200-002",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "Including self-generated heat, per chapter 3 (rated current derates above ambient 125°C)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
    "lqm21dh330m70l"
  ],
  "discovery_pitch": "LQM21DH330M70L (Murata Electronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
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}