main
Ray Set visibility: public 186a667 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "7912a",
  "title": "7912A",
  "brief": "YFW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. 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 (pmic)",
    "7912a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "7912A",
    "manufacturer": "YFW",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600572138122326016",
    "parts": {
      "symbol": "7912a.kicad_sym",
      "footprint": "7912a.kicad_mod",
      "model_3d": "7912a-hero.glb",
      "model_3d_plain": "7912a-etched.glb",
      "model_3d_step": "7912a-etched.step",
      "model_3d_step_plain": "7912a.step",
      "lbr": "7912a.lbr"
    },
    "distributor_links": {
      "lcsc": "C19626435"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:37:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin of the negative regulator."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Negative input voltage, absolute maximum -35 V; the tab (also labeled 2) is the same node."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated -12 V output, up to 1.5 A with current limiting and thermal shutdown."
      }
    ],
    "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: Package drawing on page 1 labels the tab as 2 (In), same as pin 2; the datasheet does not state this",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.2136,
        "at": "2026-10-18T15:35:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600572138122326016",
        "pages": 4,
        "sha256": "13e993fdf5f40a7f",
        "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": "7912a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "7912a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "983ce5705a7b410b9e0e13c0a17ec3e58779f0e457968e4bde24379dd3313bae",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "YFW",
      "Package": "TO-252",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "13e993fdf5f40a7fa8dee50e40244745dfb588c9154abb828a8e22fd7281c6f8",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": -11.52,
          "typ": -12,
          "max": -12.48,
          "conditions": "Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": -11.4,
          "typ": -12,
          "max": -12.6,
          "conditions": "IO=-5mA~-1A, PO≤15W, VI=-15.5~-27V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 50,
          "typ": 60,
          "max": null,
          "conditions": "f=120Hz, ΔVI=10V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 240,
          "conditions": "Tj=25°C, VI=-14.5V~-30V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "VI=-16V~-22V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 240,
          "conditions": "Tj=25°C, IO=-5mA~-1.5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "IO=-0.25A~-0.75A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "ΔIQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "IO=-5mA~-1.5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "ΔIQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IO=-14.5V~-30V (as printed)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -35,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -1.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Drift",
          "symbol": "ΔV/ΔT",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": null,
          "typ": -0.8,
          "max": null,
          "conditions": "IO=5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "μV",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "f=10Hz~100kHz, Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "IO=-1.0A, Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "VI=-35V, Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Current",
          "symbol": "IPK",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2.2,
          "max": null,
          "conditions": "Tj=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Air",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "Ta=+25°C",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "7912a"
  ],
  "discovery_pitch": "7912A (YFW) 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",
    "7912a.kicad_sym",
    "7912a.kicad_mod",
    "7912a.glb",
    "7912a.step",
    "7912a.lbr",
    "docs/hero.png",
    "docs/7912a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "7912a-hero.glb",
    "7912a-hero.overlay.json",
    "7912a-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}