01550900M

{
  "slug": "01550900m",
  "version": "0.1.3",
  "type": "component",
  "tags": [
    "component",
    "circuit protection",
    "01550900m",
    "board-derived"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "verification.json",
    "01550900m.kicad_sym",
    "01550900m.kicad_mod",
    "01550900m.glb",
    "01550900m.step",
    "01550900m.lbr",
    "docs/hero.png",
    "docs/01550900m-datasheet.pdf",
    "01550900m-hero.glb",
    "01550900m-hero.overlay.json"
  ],
  "component": {
    "mpn": "01550900M",
    "manufacturer": "Littelfuse",
    "package": "SMD,9.7x5mm",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Fuseholders",
    "datasheet": "https://www.littelfuse.com/assetdocs/littelfuse-fuse-blocks-1550900-series-datasheet?assetguid=5ec5d985-39ad-44b5-9bdb-f49bf381a070",
    "parts": {
      "symbol": "01550900m.kicad_sym",
      "footprint": "01550900m.kicad_mod",
      "model_3d": "01550900m-hero.glb",
      "model_3d_plain": "01550900m.glb",
      "model_3d_step": "01550900m.step",
      "model_3d_step_plain": "01550900m.step",
      "lbr": "01550900m.lbr"
    },
    "distributor_links": {
      "digikey": {
        "part": "F1889-ND",
        "url": "https://www.digikey.com/en/products/detail/littelfuse-inc/01550900M/2519878"
      },
      "mouser": {
        "part": "576-01550900M",
        "url": "https://www.mouser.com/en/ProductDetail/Littelfuse/01550900M?qs=DDoybve0rC%252BTXq1hqi5X1g%3D%3D"
      },
      "lcsc": {
        "part": "C108518",
        "url": "https://www.lcsc.com/product-detail/C108518.html"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "",
        "type": "passive",
        "description": "Terminal 1; non-polarized two-terminal part."
      },
      {
        "number": "2",
        "name": "",
        "type": "passive",
        "description": "Terminal 2; non-polarized two-terminal part."
      }
    ],
    "provenance": {
      "datasheet": {
        "url": "https://www.littelfuse.com/assetdocs/littelfuse-fuse-blocks-1550900-series-datasheet?assetguid=5ec5d985-39ad-44b5-9bdb-f49bf381a070",
        "pages": 1,
        "sha256": "5241d26bc77132fa6e9f7b96cbc72215f42b87d294f05d4df4ff297c88d7bdf1",
        "source_tier": "mfr",
        "retrieved": "2026-10-27",
        "edition": "Revised: 11/02/21"
      },
      "cad": "Footprint and symbol as used on Adom board designs; 3D model: Adom-generated 3D model built from the datasheet dimensions (simplified; CC-BY-SA 4.0); no vendor CAD is redistributed",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": false,
        "refuses_to_fabricate": true
      },
      "build": {
        "tool": "board-derived part page builder 0.1: one-off Claude session scripts in Caleb Taylor's container (retired; not the Adom parts factory)",
        "pins": "KiCad symbol from the source board",
        "at": "2026-10-09"
      }
    },
    "models_3d": [
      {
        "file": "01550900m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin",
        "seat": "z = 0 (PCB top surface)",
        "extents_mm": [
          9.73,
          5.03,
          3.81
        ],
        "zmin_mm": -0.0,
        "footprint_binding": "identity",
        "sha256": "43f82a129b602690623f6e46ea692cf4d86e69e579c2540a3b95d1f9ce8019db",
        "checked": "2026-10-09",
        "checked_by": "session-scripts/partstep.py (placement inverse from the source board; centroid-matched to KiCad library models on 59 reference cases)"
      }
    ]
  },
  "description": "Littelfuse Fuseholders, SMD,9.7x5mm. KiCad symbol, footprint and 3D as used on Adom boards."
}