FDS9933A

{
  "slug": "fds9933a",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi MOSFETs, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "triode-mos tube-transistor",
    "fds9933a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fds9933a.kicad_sym",
    "fds9933a.kicad_mod",
    "fds9933a.glb",
    "fds9933a.step",
    "fds9933a.lbr",
    "docs/hero.png",
    "docs/fds9933a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fds9933a-hero.glb",
    "fds9933a-hero.overlay.json",
    "fds9933a-etched.glb"
  ],
  "component": {
    "mpn": "FDS9933A",
    "manufacturer": "onsemi",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/fds9933a-d.pdf",
    "parts": {
      "symbol": "fds9933a.kicad_sym",
      "footprint": "fds9933a.kicad_mod",
      "model_3d": "fds9933a-hero.glb",
      "model_3d_plain": "fds9933a-etched.glb",
      "model_3d_step": "fds9933a-etched.step",
      "model_3d_step_plain": "fds9933a.step",
      "lbr": "fds9933a.lbr"
    },
    "distributor_links": {
      "lcsc": "C241823",
      "digikey": "FDS9933ATR-ND",
      "mouser": "512-FDS9933A"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T09:21:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "FDS9933ATR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "512-FDS9933A",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source of MOSFET 1 (P-channel, VDSS -20 V, continuous drain current -3.8 A)."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate of MOSFET 1; VGSS rated ±8 V, RDS(on) 0.075 Ω at VGS = -4.5 V and 0.105 Ω at -2.5 V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source of MOSFET 2 (P-channel, VDSS -20 V, continuous drain current -3.8 A)."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate of MOSFET 2; VGSS rated ±8 V, RDS(on) 0.075 Ω at VGS = -4.5 V and 0.105 Ω at -2.5 V."
      },
      {
        "number": "5",
        "name": "D2",
        "type": "passive",
        "description": "Drain of MOSFET 2, tied to pin 6; the drain pins are the case thermal reference (RθJA 78 °C/W on 0.5 in² copper)."
      },
      {
        "number": "6",
        "name": "D2",
        "type": "passive",
        "description": "Drain of MOSFET 2, tied to pin 5; the drain pins are the case thermal reference (RθJA 78 °C/W on 0.5 in² copper)."
      },
      {
        "number": "7",
        "name": "D1",
        "type": "passive",
        "description": "Drain of MOSFET 1, tied to pin 8; the drain pins are the case thermal reference (RθJA 78 °C/W on 0.5 in² copper)."
      },
      {
        "number": "8",
        "name": "D1",
        "type": "passive",
        "description": "Drain of MOSFET 1, tied to pin 7; the drain pins are the case thermal reference (RθJA 78 °C/W on 0.5 in² copper)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pinout figure on page 2 was extracted as scrambled text: pin numbers 1-8 and the labels S1, D1, "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0917,
        "at": "2026-10-31T09:21:34"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/fds9933a-d.pdf",
        "pages": 7,
        "sha256": "7adb08cbb3fca3b6",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fds9933a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fds9933a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d9f5bffca87be19f468abf4fb1fc09dff619296747ac933c326abb09525d0fe0",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}