main
Ray Set visibility: public 8bb3527 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "se8750k1-hf",
  "title": "SE8750K1-HF",
  "brief": "Seaward Elec Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. 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)",
    "se8750k1-hf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SE8750K1-HF",
    "manufacturer": "Seaward Elec",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944787030347776",
    "parts": {
      "symbol": "se8750k1-hf.kicad_sym",
      "footprint": "se8750k1-hf.kicad_mod",
      "model_3d": "se8750k1-hf-hero.glb",
      "model_3d_plain": "se8750k1-hf-etched.glb",
      "model_3d_step": "se8750k1-hf-etched.step",
      "model_3d_step_plain": "se8750k1-hf.step",
      "lbr": "se8750k1-hf.lbr"
    },
    "distributor_links": {
      "lcsc": "C2838445"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:49:21Z",
      "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; connect the input and output capacitors' return here (G-I-O pin order, the blank pinout code in the ordering information)."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input, 4.5V to 40V recommended (absolute max 45V), with a 10uF capacitor to GND placed close to the pin."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output, 1.8V to 5.7V; recommended 10uF output capacitor, 1uF minimum for stability."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 ordering code has no pinout letter between the accuracy digit and -HF. The datasheet says a blan; The SOT89 tab is not listed as a numbered pin. In the pinout that matches this part it is unlabeled,",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.2308,
        "at": "2026-10-18T02:47:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944787030347776",
        "pages": 10,
        "sha256": "0503c9eda718bcb8",
        "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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    "models_3d": [
      {
        "file": "se8750k1-hf.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "footprint_binding": "identity",
        "sha256": "9e405410b4bbf0426102cee2892b7b04297f867c41d7b7fb6c7dfda724cb5bc6",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Seaward Elec",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0503c9eda718bcb879bb6aa3fbb7a353978c902180a66cb6ab8304a348cde4e0",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Lead Soldering Temperature",
          "symbol": "Tsolder",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD MM Machine Mode",
          "symbol": "ESD MM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM Human Body Mode",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPT",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "SOT89 package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance on PCB",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Consumption",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 750,
          "conditions": "SOT89 package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 4.5,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 150,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "IOUT=10mA, ΔVOUT= - VOUT *2%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "IOUT=100mA, ΔVOUT= - VOUT *2%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "VLR",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "1mA ≤ IOUT≤ 100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "VSR",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": null,
          "max": 0.08,
          "conditions": "IOUT=1mA, VIN=(VOUT +4V) to 45V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Coefficient",
          "symbol": "TCVOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "IOUT=10mA, -40℃≤TAMB≤100℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 350,
          "max": null,
          "conditions": "VIN=(VOUT +1V) to 30V, RLOAD=VOUT /1A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Protection",
          "symbol": "TSHDN",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "Vin=10V, VPP=0.5V, Iout=1mA, Freq=100Hz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "Vin=10V, VPP=0.5V, Iout=1mA, Freq=1KHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "Vin=10V, VPP=0.5V, Iout=1mA, Freq=10KHz",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "SE8750K1-HF (Seaward Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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}