main
Ray Set visibility: public 5f72197 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "um811te",
  "title": "UM811TE",
  "brief": "Union Semiconductor Supervisor And Reset ICs, SOT-143-4. 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)",
    "um811te",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UM811TE",
    "manufacturer": "Union Semiconductor",
    "package": "SOT-143-4",
    "pin_count": 4,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944085948780544",
    "parts": {
      "symbol": "um811te.kicad_sym",
      "footprint": "um811te.kicad_mod",
      "model_3d": "um811te-hero.glb",
      "model_3d_plain": "um811te-etched.glb",
      "model_3d_step": "um811te-etched.step",
      "model_3d_step_plain": "um811te.step",
      "lbr": "um811te.lbr"
    },
    "distributor_links": {
      "lcsc": "C2841891"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:08:58Z",
      "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 for the supervisor."
      },
      {
        "number": "2",
        "name": "RESET",
        "type": "output",
        "description": "For the UM811TE this is an active-low, CMOS push-pull output that sources and sinks current; it stays low while VCC is below the reset threshold or while MR is low, and for the reset active timeout period (tRP, 140 to 240 ms) after those conditions end."
      },
      {
        "number": "3",
        "name": "MR",
        "type": "input",
        "description": "Active-low manual reset input with an internal 20 kΩ pull-up (10 to 30 kΩ); a logic low asserts reset, the TE-version input thresholds are VIH 0.7×VCC and VIL 0.25×VCC, and it may be left open when unused."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input for +5 V, +3.3 V or +3 V systems; the absolute maximum rating is -0.3 V to +6.0 V and the operating supply range is 1.0 V to 5.5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 2 is shared across UM805/811/812. For the UM811 (the MPN's output type) the datasheet gives push; The MR pin description says reset stays asserted for 240 ms after MR returns high, while the Electri; The 1.0 to 5.5 V supply range is specified for TA = 0 to 70 °C only. The datasheet's operating tempe"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0549,
        "at": "2026-10-17T23:07:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944085948780544",
        "pages": 14,
        "sha256": "2765d38a175c536c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "um811te.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b35b433c0dc71ac416a9c731e744d2e0610f82ebe97275830f0e17cdcbe44512",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "um811te-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.3,
          2.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7aba67514d807bb18c58ec92cfc46e74e84188f1a6dbc07597888a9c2e02cf83",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Union Semiconductor",
      "Package": "SOT-143-4",
      "Category": "Power Management (PMIC)",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2765d38a175c536c8036128e1564428d60d021f0e6aefb376742575e2dbb386c",
      "rows": [
        {
          "name": "Supply Voltage Range (TA=0°C to +70°C)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 5.5,
          "conditions": "TA=0°C to +70°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reset Threshold, T Version",
          "symbol": "VTH+",
          "kind": "electrical",
          "unit": "V",
          "min": 3.04,
          "typ": 3.08,
          "max": 3.11,
          "conditions": "T Version, TA=+25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reset Threshold, T Version",
          "symbol": "VTH+",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 3.15,
          "conditions": "T Version, TA=-40°C to +85°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reset Active Timeout Period",
          "symbol": "tRP",
          "kind": "timing",
          "unit": "ms",
          "min": 140,
          "typ": 240,
          "max": 560,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "MR Pull-Up Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 10,
          "typ": 20,
          "max": 30,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RESET Output Voltage Low",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "ISINK=1.2mA, VCC=VTH(MIN), UM805/811TE/SE/RE/ZE",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (absolute maximum)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Current, VCC, MR",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current, RESET, RESET",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Continuous Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 320,
          "conditions": "Derate 4mW/°C above 70°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 10s",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "um811te"
  ],
  "discovery_pitch": "UM811TE (Union Semiconductor) 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",
    "um811te.kicad_sym",
    "um811te.kicad_mod",
    "um811te.glb",
    "um811te.step",
    "um811te.lbr",
    "docs/hero.png",
    "docs/um811te-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "um811te-hero.glb",
    "um811te-hero.overlay.json",
    "um811te-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}