NSI45025AT1G

{
  "schema_version": 1,
  "type": "component",
  "slug": "nsi45025at1g",
  "title": "NSI45025AT1G",
  "brief": "onsemi LED Drivers, SOD-123. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "nsi45025at1g"
  ],
  "component": {
    "mpn": "NSI45025AT1G",
    "manufacturer": "onsemi",
    "package": "SOD-123",
    "pin_count": 2,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/nsi45025at1-d.pdf",
    "parts": {
      "symbol": "nsi45025at1g.kicad_sym",
      "footprint": "nsi45025at1g.kicad_mod",
      "model_3d": "nsi45025at1g-etched.glb",
      "model_3d_plain": "nsi45025at1g.glb",
      "model_3d_step": "nsi45025at1g-etched.step",
      "model_3d_step_plain": "nsi45025at1g.step",
      "lbr": "nsi45025at1g.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the constant current regulator. Current flows into the anode and out of the cathode; connect to the low-voltage side of the LED string (for high-side driver) or to ground (for low-side driver). Serves as the primary thermal path (junction-to-cathode-lead RψJL as low as 120 °C/W)."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode of the constant current regulator. Connect to the positive supply side; the device regulates current at 25 mA typical (Ireg(SS)) with Vak up to 45 V max, turning on immediately with only ~0.5 V Vak (~25% of regulation)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/nsi45025at1-d.pdf",
        "pages": 8,
        "sha256": "42ffd5fa98180e40",
        "source_tier": "mfr"
      },
      "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": "nsi45025at1g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.8,
          1.6,
          1.26
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b3dc4065573abc72e3d5b4cca0e908f72a24205a41b6284b1f75ccacbe99adf8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "nsi45025at1g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.8,
          1.6,
          1.26
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7ec4fa7bae1e6dfe92c575c7de6425188781ab5454a9c6108a4e9914af3b57d4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOD-123",
      "Category": "LED-drv",
      "Pins": "2"
    }
  },
  "variants": [
    {
      "mpn": "NSI45025AT1G",
      "kind": "packaging"
    },
    {
      "mpn": "NSI45025AT1GNSV45025AT1G",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "nsi45025at1g"
  ],
  "discovery_pitch": "NSI45025AT1G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "nsi45025at1g.kicad_sym",
    "nsi45025at1g.kicad_mod",
    "nsi45025at1g.glb",
    "nsi45025at1g.step",
    "nsi45025at1g.lbr",
    "docs/hero.png",
    "docs/nsi45025at1g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T03:15:51.242Z"
}