main
Ray Set visibility: public cc3eb5b
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ds8241-33s5",
  "title": "DS8241-33S5",
  "brief": "DSTECH Linear Voltage Regulators (LDO), SOT23-5. 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",
    "ds8241-33s5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DS8241-33S5",
    "manufacturer": "DSTECH",
    "package": "SOT23-5",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/aabf3b62bcc1425a7bbcdfe05fb0a183.pdf",
    "parts": {
      "symbol": "ds8241-33s5.kicad_sym",
      "footprint": "ds8241-33s5.kicad_mod",
      "model_3d": "ds8241-33s5-hero.glb",
      "model_3d_plain": "ds8241-33s5.glb",
      "model_3d_step": "ds8241-33s5-etched.step",
      "model_3d_step_plain": "ds8241-33s5.step",
      "lbr": "ds8241-33s5.lbr"
    },
    "distributor_links": {
      "lcsc": "C5884123"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T18:22:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input of supply voltage; the recommended operating input range is 2.0V to 24V, and a 1µF or larger input capacitor should be placed close to VIN and GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; pulling EN low puts the regulator into shutdown, with a typical shutdown current of 100nA."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on this variant."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output of the regulator; fixed 3.3V output for this -33 variant, with ±1% output accuracy and 500mA maximum output current."
      }
    ],
    "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 4 is NC (no internal connection) for the DS8241 (non-N) variant that matches DS8241-33S5, per th"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0005,
        "at": "2026-11-12T18:22:38"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/aabf3b62bcc1425a7bbcdfe05fb0a183.pdf",
        "pages": 10,
        "sha256": "ee710bf2d6fa8407",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "model_3d_generated": {
        "generator": "factory/gen_pkg3d.py",
        "family": "SOT",
        "height_mm": 1.092,
        "height_basis": "datasheet A, midpoint of min and max",
        "standoff_mm": 0.05,
        "standoff_basis": "family nominal (no datasheet A1 read)",
        "lead_width_mm": 0.36,
        "lead_width_basis": "default: 0.6 x pad width across the lead, at most 0.45 x pitch 0.95 mm; a tab 0.9 x its width (no datasheet b read)",
        "lead_thickness_mm": 0.172,
        "lead_thickness_basis": "default for pitch 0.95 mm, height 1.092 mm (no datasheet c read)"
      },
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c3e97b4618cf12cd3faba91739647df7aa4ccaa6ccad9cc957d46636690fe4a1",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds8241-33s5-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "829c8689ee354353e9e4cc396580d87d25f10372d387c6ea3b2384e00b97e3d9",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT-23-5L (S5)",
      "source_page": 10,
      "D": {
        "nom_mm": 2.896,
        "range_mm": [
          2.692,
          3.099
        ]
      },
      "E1": {
        "nom_mm": 1.6,
        "range_mm": [
          1.397,
          1.803
        ]
      },
      "E": {
        "nom_mm": 2.794,
        "range_mm": [
          2.591,
          2.997
        ]
      },
      "e": {
        "nom_mm": 0.94,
        "range_mm": [
          0.838,
          1.041
        ]
      },
      "A": {
        "nom_mm": 1.092,
        "range_mm": [
          0.889,
          1.295
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ds8241-33s5.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "DSTECH",
      "Package": "SOT23-5",
      "Category": "Power Supply Chip",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "must be back to the DS8241 ground pin using as wide and as short of a copper trace as is practical.",
        "page": 9,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "ee710bf2d6fa8407653cb793f38edf7b03949d2af4a4de870043617e69cb588c"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ee710bf2d6fa8407653cb793f38edf7b03949d2af4a4de870043617e69cb588c",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC Output Voltage Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "ILOAD = 0.1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (VOUT = 3.3V)",
          "symbol": "VDROP_3.3V",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.42,
          "conditions": "ILOAD = 100mA, VOUT = 3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Ground Current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "VEN = 0V, VOUT = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 100,
          "conditions": "VEN = 24V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔLINE",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "ILOAD = 1mA, 10V ≤ VIN ≤ 20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 501,
          "typ": 700,
          "max": null,
          "conditions": "VOUT = 0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (absolute maximum, VIN and EN to GND)",
          "symbol": "VIN, EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 30,
          "conditions": "to GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VOUT to GND (DS8241-18, DS8241-33, DS8241-50)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "to GND, DS8241-18, DS8241-33, DS8241-50",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VOUT to VIN",
          "symbol": "VOUT-VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -28,
          "typ": null,
          "max": 0.3,
          "conditions": "VOUT to VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec.",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "HBM",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "MM",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage VIN (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "ILOAD = 10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ground Current (no load)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "ILOAD = 0mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold Voltage, EN Rising",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "EN Rising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold Voltage, EN Falling",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "EN Falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔLOAD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "10mA ≤ ILOAD ≤ 0.2A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VOUT = 5V, ILOAD = 30mA, VIN = 12V, f = 1KHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "ΔTSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, SOT-23-5",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "TA = 25°C, DSTECH EVB board",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  ],
  "discovery_triggers": [
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  ],
  "discovery_pitch": "DS8241-33S5 (DSTECH) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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}