B5819W-MS

{
  "schema_version": 1,
  "type": "component",
  "slug": "b5819w-ms",
  "title": "B5819W-MS",
  "brief": "MSKSEMI Schottky 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",
    "b5819w-ms",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "B5819W-MS",
    "manufacturer": "MSKSEMI",
    "package": "SOD-123",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Schottky Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590229857771814912",
    "parts": {
      "symbol": "b5819w-ms.kicad_sym",
      "footprint": "b5819w-ms.kicad_mod",
      "model_3d": "b5819w-ms-hero.glb",
      "model_3d_plain": "b5819w-ms.glb",
      "model_3d_step": "b5819w-ms-etched.step",
      "model_3d_step_plain": "b5819w-ms.step",
      "lbr": "b5819w-ms.lbr"
    },
    "distributor_links": {
      "lcsc": "C2836389"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T16:57:01Z",
      "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 end marked '+' on the package outline and the bar side of the diode symbol; B5819W-MS blocks up to VR = 40 V (VRRM 40 V) with average rectified current IO of 1 A."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode, the end marked '-' on the package outline and the triangle side of the diode symbol; carries up to 1 A average forward current (IFRM 1.5 A, IFSM 9 A for 8.3 ms)."
      }
    ],
    "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 datasheet does not print pin numbers. The drawing only shows the cathode ('+' end, bar side of t; The pin types are set to passive because the part is a two-terminal Schottky diode. The datasheet gi",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1933,
        "at": "2026-10-09T16:54:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590229857771814912",
        "pages": 5,
        "sha256": "b93786ab8ea4e558",
        "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": "b5819w-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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "b5819w-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": "93191872cf1ee3cffc7b9e43d3ffa8fc3b85bcff39831285d70bc94c4a0cba99",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOD-123",
      "Category": "Diodes",
      "Pins": "2"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "b5819w-ms"
  ],
  "discovery_pitch": "B5819W-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",
    "b5819w-ms.kicad_sym",
    "b5819w-ms.kicad_mod",
    "b5819w-ms.glb",
    "b5819w-ms.step",
    "b5819w-ms.lbr",
    "docs/hero.png",
    "docs/b5819w-ms-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "b5819w-ms-hero.glb",
    "b5819w-ms-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}