main
Ray Set visibility: public d8139a3 15d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cms4812",
  "title": "CMS4812",
  "brief": "Cmos MOSFETs, SOP-8. 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",
    "triode-mos tube-transistor",
    "cms4812",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CMS4812",
    "manufacturer": "Cmos",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bad9716a62b6f04f00af92a570a2b8e1.pdf",
    "parts": {
      "symbol": "cms4812.kicad_sym",
      "footprint": "cms4812.kicad_mod",
      "model_3d": "cms4812-hero.glb",
      "model_3d_plain": "cms4812-etched.glb",
      "model_3d_step": "cms4812-etched.step",
      "model_3d_step_plain": "cms4812.step",
      "lbr": "cms4812.lbr"
    },
    "distributor_links": {
      "lcsc": "C5203804"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:18:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 886 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source of MOSFET 1 (N-channel, VDS 30 V, ID 6.9 A)."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate of MOSFET 1; gate-source voltage limit ±20 V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source of MOSFET 2 (N-channel, VDS 30 V, ID 6.9 A)."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate of MOSFET 2; gate-source voltage limit ±20 V."
      },
      {
        "number": "5",
        "name": "D2",
        "type": "passive",
        "description": "Drain of MOSFET 2; 30 V drain-source rating, 6.9 A continuous."
      },
      {
        "number": "6",
        "name": "D2",
        "type": "passive",
        "description": "Drain of MOSFET 2; 30 V drain-source rating, 6.9 A continuous."
      },
      {
        "number": "7",
        "name": "D1",
        "type": "passive",
        "description": "Drain of MOSFET 1; 30 V drain-source rating, 6.9 A continuous."
      },
      {
        "number": "8",
        "name": "D1",
        "type": "passive",
        "description": "Drain of MOSFET 1; 30 V drain-source rating, 6.9 A continuous."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers 1-4 are inferred from the 3D package picture order after the Pin 1 marker (S1, G1, S2, G",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0911,
        "at": "2026-10-23T18:18:17"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/bad9716a62b6f04f00af92a570a2b8e1.pdf",
        "pages": 2,
        "sha256": "02407a5eee0387db",
        "source_tier": "lcsc"
      },
      "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": "cms4812.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cms4812-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": "7c9b4fc8363b63012f573d92a8e352c234c3f73a2fd4a04d99b1fdbb39563329",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Cmos",
      "Package": "SOP-8",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "02407a5eee0387dbfa6b8aef97ef671b813c2d5b3efaeca26c78073b0803caca",
      "rows": [
        {
          "name": "Drain-Source Breakdown Voltage",
          "symbol": "BVDSS",
          "kind": "electrical",
          "unit": "V",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V, ID=250μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static Drain-Source On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 23,
          "conditions": "VGS=10V, ID=6.9A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static Drain-Source On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "VGS=4.5V, ID=5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 3,
          "conditions": "VGS=VDS, ID=250μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Leakage Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS=24V, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VGS=±20V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.1,
          "conditions": "VGS=0V, IS=1A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Voltage",
          "symbol": "VDS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "TA=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "TA=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 6.9,
          "conditions": "TA=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 21,
          "conditions": "TA=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "TA=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 110,
          "conditions": "Steady-State",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward Transconductance",
          "symbol": "gfs",
          "kind": "electrical",
          "unit": "S",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "VDS=4.5V, ID=6.9A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Gate Charge",
          "symbol": "Qg",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 13,
          "max": null,
          "conditions": "VDS=15V, VGS=10V, ID=6.9A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Drain Charge",
          "symbol": "Qgd",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 3.2,
          "max": null,
          "conditions": "VDS=15V, VGS=10V, ID=6.9A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-On Delay Time",
          "symbol": "Td(on)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "VDS=15V, VGS=10V, RL=2.2Ω, RGEN=3Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rise Time",
          "symbol": "Tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 4.8,
          "max": null,
          "conditions": "VDS=15V, VGS=10V, RL=2.2Ω, RGEN=3Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Delay Time",
          "symbol": "Td(off)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "VDS=15V, VGS=10V, RL=2.2Ω, RGEN=3Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "Tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "VDS=15V, VGS=10V, RL=2.2Ω, RGEN=3Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 450,
          "max": null,
          "conditions": "VDS=15V, VGS=0V, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Coss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "VDS=15V, VGS=0V, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Transfer Capacitance",
          "symbol": "Crss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 68,
          "max": null,
          "conditions": "VDS=15V, VGS=0V, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cms4812"
  ],
  "discovery_pitch": "CMS4812 (Cmos) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}