H7121-1

{
  "schema_version": 1,
  "type": "component",
  "slug": "h7121-1",
  "title": "H7121-1",
  "brief": "Shanghai Siproin Microelectronics Linear Voltage Regulators (LDO), SOT-23. 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",
    "power management ics",
    "h7121-1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "H7121-1",
    "manufacturer": "Shanghai Siproin Microelectronics",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cf88c935eb55cf650de671f2b1af1dfc.pdf",
    "parts": {
      "symbol": "h7121-1.kicad_sym",
      "footprint": "h7121-1.kicad_mod",
      "model_3d": "h7121-1-hero.glb",
      "model_3d_plain": "h7121-1-etched.glb",
      "model_3d_step": "h7121-1-etched.step",
      "model_3d_step_plain": "h7121-1.step",
      "lbr": "h7121-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C277535"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T17:58:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator, shown at bottom left in the SOT23 top view."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 2.1V output (2.058V to 2.142V at IOUT=10mA) with output current of 30mA min and 50mA typ at VIN=4.1V."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input with an absolute maximum of -0.3V to 18V and a specified maximum input voltage of 15V."
      }
    ],
    "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 SOT23 pin drawing on page 2 labels GND (bottom left), VOUT (bottom right) and VIN (top) but prin; H7121-1 is listed for TO92, SOT89 and SOT23. The SOT23 variant is taken from the package hint, and t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0573,
        "at": "2026-11-02T17:57:53"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/cf88c935eb55cf650de671f2b1af1dfc.pdf",
        "pages": 16,
        "sha256": "b56d63e4e3666e63",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "h7121-1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "h7121-1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b3612b7c7843c4f90774cd14bd51293bcc9ce23e90fa4f7e33ebb2c1ca31087e",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Siproin Microelectronics",
      "Package": "SOT-23",
      "Category": "Power Management ICs",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "h7121-1"
  ],
  "discovery_pitch": "H7121-1 (Shanghai Siproin Microelectronics) 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",
    "h7121-1.kicad_sym",
    "h7121-1.kicad_mod",
    "h7121-1.glb",
    "h7121-1.step",
    "h7121-1.lbr",
    "docs/hero.png",
    "docs/h7121-1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "h7121-1-hero.glb",
    "h7121-1-hero.overlay.json",
    "h7121-1-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}