main
Ray Set visibility: public b622742 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "1n4148w-ms",
  "title": "1N4148W-MS",
  "brief": "MSKSEMI Switching Diodes, SOD-123. 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",
    "diodes",
    "1n4148w-ms",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "1N4148W-MS",
    "manufacturer": "MSKSEMI",
    "package": "SOD-123",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Switching Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590182966720045056",
    "parts": {
      "symbol": "1n4148w-ms.kicad_sym",
      "footprint": "1n4148w-ms.kicad_mod",
      "model_3d": "1n4148w-ms-hero.glb",
      "model_3d_plain": "1n4148w-ms-etched.glb",
      "model_3d_step": "1n4148w-ms-etched.step",
      "model_3d_step_plain": "1n4148w-ms.step",
      "lbr": "1n4148w-ms.lbr"
    },
    "distributor_links": {
      "lcsc": "C2847023"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:14:08Z",
      "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 marked-band end of the SOD-123 body; the diode blocks up to VR = 75 V (VRM = 100 V peak) when this pin is positive relative to the anode."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode; forward current up to IF(AV) = 150 mA average flows into this pin, with VF of 1 V max at 50 mA and 1.25 V max at 150 mA."
      }
    ],
    "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 labels only pins 1 and 2 and does not state which is anode or cathode. The assig",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.2485,
        "at": "2026-10-19T03:12:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590182966720045056",
        "pages": 6,
        "sha256": "ffa3cfe5dacce15b",
        "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": "1n4148w-ms.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          1.6,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "1n4148w-ms-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.5,
          1.6,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e2b080d45f1b47c3bdab79581d6225a3c82f59aeeba480a161362c79535dcf1f",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOD-123",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ffa3cfe5dacce15b6aab04630b3b977307ab194c9d66cf9fbcd23db4036bb645",
      "rows": [
        {
          "name": "Reverse Breakdown Voltage",
          "symbol": "V(BR)R",
          "kind": "electrical",
          "unit": "V",
          "min": 75,
          "typ": null,
          "max": null,
          "conditions": "at IR = 1 µA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.715,
          "conditions": "at IF = 1 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.855,
          "conditions": "at IF = 10 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "at IF = 50 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "at IF = 150 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "at VR = 75 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "at VR = 20 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "at VR = 75 V, TJ = 150 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "at VR = 25 V, TJ = 150 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total Capacitance",
          "symbol": "CT",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "at VR = 0 V, f = 1 MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery Time",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "at Irr = 0.1 X IR, IF = IR = 10 mA, RL = 100 Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Voltage",
          "symbol": "VRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Average Rectified Forward Current",
          "symbol": "IF(AV)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Non-repetitive Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "at t = 1 µs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance from Junction to Ambient Air",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 312,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "1n4148w-ms"
  ],
  "discovery_pitch": "1N4148W-MS (MSKSEMI) 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",
    "1n4148w-ms.kicad_sym",
    "1n4148w-ms.kicad_mod",
    "1n4148w-ms.glb",
    "1n4148w-ms.step",
    "1n4148w-ms.lbr",
    "docs/hero.png",
    "docs/1n4148w-ms-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "1n4148w-ms-hero.glb",
    "1n4148w-ms-hero.overlay.json",
    "1n4148w-ms-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}