CEM9926A

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  "slug": "cem9926a",
  "title": "CEM9926A",
  "brief": "UMW MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "CEM9926A",
    "manufacturer": "UMW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
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    "distributor_links": {
      "lcsc": "C3001990"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:23:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source of N-channel device 1; absolute maximum ratings are VDS 20V, VGS ±8V and continuous ID 7A at TA=25°C."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate of N-channel device 1; absolute maximum gate-source voltage is ±8V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source of N-channel device 2; absolute maximum ratings are VDS 20V, VGS ±8V and continuous ID 7A at TA=25°C."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate of N-channel device 2; absolute maximum gate-source voltage is ±8V."
      },
      {
        "number": "5",
        "name": "D2",
        "type": "passive",
        "description": "Drain pin of the dual MOSFET (pins 5-8 are all listed as DRAIN); absolute maximum drain-source voltage is 20V and continuous drain current is 7A at TA=25°C."
      },
      {
        "number": "6",
        "name": "D2",
        "type": "passive",
        "description": "Drain pin of the dual MOSFET (pins 5-8 are all listed as DRAIN); absolute maximum drain-source voltage is 20V and continuous drain current is 7A at TA=25°C."
      },
      {
        "number": "7",
        "name": "D1",
        "type": "passive",
        "description": "Drain pin of the dual MOSFET (pins 5-8 are all listed as DRAIN); absolute maximum drain-source voltage is 20V and continuous drain current is 7A at TA=25°C."
      },
      {
        "number": "8",
        "name": "D1",
        "type": "passive",
        "description": "Drain pin of the dual MOSFET (pins 5-8 are all listed as DRAIN); absolute maximum drain-source voltage is 20V and continuous drain current is 7A at TA=25°C."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
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        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin-to-function mapping for pins 1–4 is taken from the top-row label order in the SOP-8 figure (S1 G; The datasheet assigns pins 5–8 collectively to DRAIN (D1, D2) but does not state which individual pi; The datasheet gives no pin-level electrical specs beyond absolute maximum ratings; the MPN is ordere"
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        "cost_usd": 0.044,
        "at": "2026-10-18T13:20:57"
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        "pages": 8,
        "sha256": "da9d4380fbe859ee",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOP-8",
      "Category": "Transistors/Thyristors",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "da9d4380fbe859ee9c47e90c32ad6202ef8ba63a50d28ad33a4050d2cd688bb4",
      "rows": [
        {
          "name": "Drain-Source Breakdown Voltage",
          "symbol": "BVDSS",
          "kind": "electrical",
          "unit": "V",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "ID=250µA, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Body leakage current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VDS=0V, VGS=±8V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "On state drain current",
          "symbol": "ID(ON)",
          "kind": "electrical",
          "unit": "A",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "VGS=4.5V, VDS=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static Drain-Source On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 21.6,
          "max": 26,
          "conditions": "VGS=4.5V, ID=7A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static Drain-Source On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 26.4,
          "max": 33,
          "conditions": "VGS=2.5V, ID=5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static Drain-Source On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 29.2,
          "max": 42,
          "conditions": "VGS=1.8V, ID=4A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Voltage",
          "symbol": "VDS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "TA=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "TA=70°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "TA=25°C",
          "source_page": 1,
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        },
        {
          "name": "Power Dissipation",
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          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
          "max": 1.44,
          "conditions": "TA=70°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction and Storage Temperature Range",
          "symbol": "TJ,TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 48,
          "max": 62.5,
          "conditions": "t ≤ 10s",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 74,
          "max": 110,
          "conditions": "Steady-State",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction-to-Lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 35,
          "max": 40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "CEM9926A (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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