main
Ray lp2950cdt-3-3rkg: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the pla… f1dbe7d
{
  "schema_version": 1,
  "type": "component",
  "slug": "lp2950cdt-3-3rkg",
  "title": "LP2950CDT-3.3RKG",
  "brief": "onsemi LP2950CDT 3 3RKG Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "lp2950cdt-3.3rkg"
  ],
  "component": {
    "mpn": "LP2950CDT-3.3RKG",
    "manufacturer": "onsemi LP2950CDT 3 3RKG",
    "package": "TO-252-2(DPAK)",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/lp2950cdt-3.3rk-d.pdf",
    "parts": {
      "symbol": "lp2950cdt-3-3rkg.kicad_sym",
      "footprint": "lp2950cdt-3-3rkg.kicad_mod",
      "model_3d": "lp2950cdt-3-3rkg-etched.glb",
      "model_3d_plain": "lp2950cdt-3-3rkg.glb",
      "model_3d_step": "lp2950cdt-3-3rkg-etched.step",
      "model_3d_step_plain": "lp2950cdt-3-3rkg.step",
      "lbr": "lp2950cdt-3-3rkg.lbr"
    },
    "distributor_links": {
      "lcsc": "C233210"
    },
    "pins": [
      {
        "number": "1",
        "name": "Input",
        "type": "power_in",
        "description": "Unregulated supply input, VCC. Absolute maximum 30 Vdc (32 V peak transient <300 ms). For 3.3 V output, Vin must be at least VO + dropout (~3.68 V at 100 mA)."
      },
      {
        "number": "2",
        "name": "Ground",
        "type": "power_in",
        "description": "Device ground and reference return. Electrically common with the DPAK heatsink tab (shown as terminal 4 in the case outline drawing)."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "power_out",
        "description": "Regulated 3.3 V output, up to 100 mA continuous (typ. current limit 220 mA). Requires ≥1.0 µF output capacitor for loop stability."
      },
      {
        "number": "4",
        "name": "Tab/GND",
        "type": "power_in",
        "description": "DPAK exposed metal heatsink tab. Internally bonded to Pin 2 (Ground). Solder to a copper pour to lower junction-to-ambient thermal resistance (RθJA = 92 °C/W with recommended pad, RθJC = 6.0 °C/W)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/lp2950cdt-3.3rk-d.pdf",
        "pages": 22,
        "sha256": "88c1955e96318431",
        "source_tier": "mfr"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -5.04,
        -2.28
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-252-2@sha256:18c28e5e147d5e9b",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lp2950cdt-3-3rkg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp2950cdt-3-3rkg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fa3a9cd15be029eb57d540c00ecdc4094aab50f38928a6c0e6bc3bbd6629bf7f",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TO-252-2(DPAK)",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lp2950cdt-3.3rkg"
  ],
  "discovery_pitch": "LP2950CDT-3.3RKG (onsemi LP2950CDT 3 3RKG) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp2950cdt-3-3rkg.kicad_sym",
    "lp2950cdt-3-3rkg.kicad_mod",
    "lp2950cdt-3-3rkg.glb",
    "lp2950cdt-3-3rkg.step",
    "lp2950cdt-3-3rkg-etched.step",
    "lp2950cdt-3-3rkg.lbr",
    "docs/hero.png",
    "docs/lp2950cdt-3-3rkg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LP2950CDT-3.3RKG",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGACDT-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGCZ-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGACZ-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGCD-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGACD-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGNCV2951ACD-3.3R2",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGCN-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGACN-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGCDM-3.3",
      "kind": "packaging"
    },
    {
      "mpn": "LP2950CDT-3.3RKGACDM-3.3",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T17:47:29.607Z"
}