DS8242-33S3

{
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  "type": "component",
  "slug": "ds8242-33s3",
  "title": "DS8242-33S3",
  "brief": "DSTECH Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "DS8242-33S3",
    "manufacturer": "DSTECH",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2404011708_DSTECH-DS8242-33S3_C5884132.pdf",
    "parts": {
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      "footprint": "ds8242-33s3.kicad_mod",
      "model_3d": "ds8242-33s3-etched.glb",
      "model_3d_plain": "ds8242-33s3.glb",
      "model_3d_step": "ds8242-33s3-etched.step",
      "model_3d_step_plain": "ds8242-33s3.step",
      "lbr": "ds8242-33s3.lbr"
    },
    "distributor_links": {
      "lcsc": "C5884132"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the regulator. Connect to system ground with a wide, short trace back to the input and output capacitor ground pads for best performance."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output of the LDO, fixed at 3.3V for the -33 option (±1% accuracy, up to 500mA load). Requires a ≥1µF output capacitor (1mΩ minimum ESR, 1µF-22µF effective capacitance) placed close to the pin."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, operating range 2.0V to 24V (absolute max 30V). Requires a ≥1µF ceramic bypass capacitor to GND placed close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2404011708_DSTECH-DS8242-33S3_C5884132.pdf",
        "pages": 12,
        "sha256": "02f10bfeea1c3ede",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-3@sha256:ab2ce7041629a2c0",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ds8242-33s3.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": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds8242-33s3-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": "61686f8571e45495529f94b9a769681f4a4710133447027ad6972d6554bad49a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "datasheet prints several: 30 V (VIN to GND), 0.3 V (VOUT to VIN); the most conservative is kept",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ds8242-33s3"
  ],
  "discovery_pitch": "DS8242-33S3 (DSTECH) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds8242-33s3.kicad_sym",
    "ds8242-33s3.kicad_mod",
    "ds8242-33s3.glb",
    "ds8242-33s3.step",
    "ds8242-33s3-etched.step",
    "ds8242-33s3.lbr",
    "docs/hero.png",
    "docs/ds8242-33s3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "ds8242-33s3-etched.glb"
  ],
  "visibility": "public",
  "variants": [
    {
      "mpn": "DS8242-33S3",
      "kind": "packaging"
    },
    {
      "mpn": "DS8242-33S3SS3",
      "kind": "packaging"
    },
    {
      "mpn": "DS8242-33S3S5",
      "kind": "packaging"
    },
    {
      "mpn": "DS8242-33S3A3",
      "kind": "packaging"
    },
    {
      "mpn": "DS8242-33S3A3L",
      "kind": "packaging"
    },
    {
      "mpn": "DS8242-33S3A3R",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:07:05.241Z",
  "description": "DSTECH Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}