main
Ray Set visibility: public 2a25d05 4d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm385-1-2",
  "title": "LM385-1.2",
  "brief": "Sungine Voltage References, 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 supply chip",
    "lm385-1.2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM385-1.2",
    "manufacturer": "Sungine",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Voltage References",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/26429bceccc11bd9209a3ca3221d4730.pdf",
    "parts": {
      "symbol": "lm385-1-2.kicad_sym",
      "footprint": "lm385-1-2.kicad_mod",
      "model_3d": "lm385-1-2-hero.glb",
      "model_3d_plain": "lm385-1-2-etched.glb",
      "model_3d_step": "lm385-1-2-etched.step",
      "model_3d_step_plain": "lm385-1-2.step",
      "lbr": "lm385-1-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C5274784"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T18:23:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode (reference voltage terminal) with 1.240 V typical reverse breakdown voltage (1.200 to 1.280 V) over 10 µA to 20 mA operating current, and 30 mA absolute maximum reverse current."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode (return terminal) of the two-terminal reference, with 10 mA absolute maximum forward current."
      },
      {
        "number": "3",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table has a third row, FB (voltage adjust), with only one number printed, '3', and no column; The text gives no electrical pin types. Both pins are set to passive because the part is a two-termi"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0458,
        "at": "2026-10-22T18:23:37"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/26429bceccc11bd9209a3ca3221d4730.pdf",
        "pages": 8,
        "sha256": "18a7f70f9ccffd3a",
        "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": "lm385-1-2.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm385-1-2-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": "35b764183aa743c1a61e1e8bbb900162bee081021444259d8b245dfb8eb664a4",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Sungine",
      "Package": "SOT-23",
      "Category": "Power Supply Chip",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "18a7f70f9ccffd3af3cb96c783a0f6b31d1e1c5e850be4d08ccc8572e78dc328",
      "rows": [
        {
          "name": "Reverse breakdown voltage",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.24,
          "max": 1.28,
          "conditions": "Ta=25℃, 10µA≤IR≤20mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum operating current",
          "symbol": "IR(min)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 8,
          "max": 15,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse breakdown voltage change with current (low range)",
          "symbol": "ΔVR",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1,
          "max": 1.5,
          "conditions": "10µA ≤ IR ≤ 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse breakdown voltage change with current (high range)",
          "symbol": "ΔVR",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 25,
          "conditions": "1mA ≤ IR ≤ 20mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse dynamic impedance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "IR=100µA, f=20Hz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Wideband noise (rms)",
          "symbol": "",
          "kind": "electrical",
          "unit": "µV",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "IR=100µA, 10Hz≤f≤10kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Long term stability",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "IR=100µA, T=1000Hr, TA=25°C±0.1°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Average temperature coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "IR = 100 µA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IR",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "spot soldering, 10 seconds",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm385-1.2"
  ],
  "discovery_pitch": "LM385-1.2 (Sungine) 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",
    "lm385-1-2.kicad_sym",
    "lm385-1-2.kicad_mod",
    "lm385-1-2.glb",
    "lm385-1-2.step",
    "lm385-1-2.lbr",
    "docs/hero.png",
    "docs/lm385-1-2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm385-1-2-hero.glb",
    "lm385-1-2-hero.overlay.json",
    "lm385-1-2-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}