main
Ray Set visibility: public 760cf75 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "njm78l09ua-te1",
  "title": "NJM78L09UA-TE1",
  "brief": "JRC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "njm78l09ua-te1",
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  "component": {
    "mpn": "NJM78L09UA-TE1",
    "manufacturer": "JRC",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c83aa8f67b7537ba28e40803491b7a4d.pdf",
    "parts": {
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      "lbr": "njm78l09ua-te1.lbr"
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    "distributor_links": {
      "lcsc": "C3647127",
      "digikey": "2129-NJM78L09UA-TE1TR-ND",
      "mouser": "513-NJM78L09UA-TE1"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T02:44:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2129-NJM78L09UA-TE1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "513-NJM78L09UA-TE1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 9 V output with 9.0 V typical and 8.55 V to 9.45 V limits at VIN=15 V and IO=40 mA, guaranteed for 100 mA output current when adequate heat sinking is provided."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground return for the regulator, to which the CIN and CO capacitors should be connected by the shortest path."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Unregulated input with an absolute maximum of 30 V for the 78L09A, and an input capacitor of at least 0.33 µF should be connected between IN and GND as close as possible."
      }
    ],
    "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: The -TE1 suffix in the MPN is a packaging/ordering code that the datasheet does not mention; the dat; The pin-configuration text on page 1 is garbled. The three-terminal list (1. OUT, 2. GND, 3. IN) is ; The GND pin description is inferred from the capacitor connection guidance on page 7 and the pin-lis"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0496,
        "at": "2026-10-29T02:44:16"
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        "pages": 9,
        "sha256": "1886f25e0129aa8d",
        "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"
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        "file": "njm78l09ua-te1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "4e519d1be0b3b35461a5d226cdd3442436b31ff648092c92cacfaebb367daa75",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "JRC",
      "Package": "SOT-89",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1886f25e0129aa8def46da14ce5879c70ab1901c1b6264b3200cc93bd9ba3c42",
      "rows": [
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 8.55,
          "typ": 9,
          "max": 9.45,
          "conditions": "VIN=15V, IO=40mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation 1",
          "symbol": "ΔVO-VIN1",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "VIN=11.5V to 23V, IO=40mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation 2",
          "symbol": "ΔVO-VIN2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "VIN=12V to 23V, IO=40mA",
          "source_page": 4,
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        },
        {
          "name": "Load Regulation 1",
          "symbol": "ΔVO-IO1",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VIN=15V, IO=1 to 40mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation 2",
          "symbol": "ΔVO-IO2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VIN=15V, IO=1 to 100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.1,
          "max": 6,
          "conditions": "VIN=15V, IO=0mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 38,
          "typ": 65,
          "max": null,
          "conditions": "12V< VIN <21V, IO=40mA, ein=1VP-P, f=120Hz",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Input Voltage (78L02A to 78L09A)",
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          "min": null,
          "typ": null,
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          "conditions": "78L02A to 78L09A",
          "source_page": 2,
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        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "SOT-89 package",
          "source_page": 2,
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        {
          "name": "Operating Temperature Range",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "NJM78L09UA-TE1 (JRC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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