main
Ray Set visibility: public 549af82 11d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "us1m-dm",
  "title": "US1M-DM",
  "brief": "ST Semtech Fast Recovery / High Efficiency Diodes, DO-214AC. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "diodes",
    "us1m-dm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "US1M-DM",
    "manufacturer": "ST Semtech",
    "package": "DO-214AC",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Fast Recovery / High Efficiency Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226329414373376",
    "parts": {
      "symbol": "us1m-dm.kicad_sym",
      "footprint": "us1m-dm.kicad_mod",
      "model_3d": "us1m-dm-hero.glb",
      "model_3d_plain": "us1m-dm-etched.glb",
      "model_3d_step": "us1m-dm-etched.step",
      "model_3d_step_plain": "us1m-dm.step",
      "lbr": "us1m-dm.lbr"
    },
    "distributor_links": {
      "lcsc": "C2994702"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T14:48:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "cathode-band convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0006,
        "at": "2026-10-14T14:48:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226329414373376",
        "pages": 2,
        "sha256": "f0c9fd67f785477f",
        "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": "us1m-dm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          2.7,
          2.22
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "us1m-dm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          2.7,
          2.22
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2509028bad477b3350f26792684e20dedcc63bcd0034170b7b22fbc8719ffe08",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ST Semtech",
      "Package": "DO-214AC",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f0c9fd67f785477f2640aaca6b43cfc8beb90831ba83581886f295c708ab80ad",
      "rows": [
        {
          "name": "Maximum Repetitive Peak Reverse Voltage",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum RMS Voltage",
          "symbol": "VRMS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC Blocking Voltage",
          "symbol": "VDC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Average Forward Rectified Current",
          "symbol": "IF(AV)",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "at TL = 100 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "8.3 ms single half sine-wave superimposed on rated load (JEDEC method)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.7,
          "conditions": "at 1 A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TA = 25 °C, at rated DC blocking voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "TA = 100 °C, at rated DC blocking voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Junction Capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 17,
          "max": null,
          "conditions": "at 4 V, 1 MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Recovery Time",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "at IF = 0.5 A, IR = 1 A, Irr = 0.25 A",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance (junction to ambient)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "mounted on P.C.B. with 0.2 x 0.2 in (5 x 5 mm) copper pad areas",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "TJ, TStg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "us1m-dm"
  ],
  "discovery_pitch": "US1M-DM (ST Semtech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "us1m-dm.kicad_sym",
    "us1m-dm.kicad_mod",
    "us1m-dm.glb",
    "us1m-dm.step",
    "us1m-dm.lbr",
    "docs/hero.png",
    "docs/us1m-dm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "us1m-dm-hero.glb",
    "us1m-dm-hero.overlay.json",
    "us1m-dm-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}