TM8958BGS-VB

{
  "slug": "tm8958bgs-vb",
  "version": "0.1.0",
  "type": "component",
  "description": "VBsemi Elec MOSFETs, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "triode-mos tube-transistor",
    "tm8958bgs-vb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tm8958bgs-vb.kicad_sym",
    "tm8958bgs-vb.kicad_mod",
    "tm8958bgs-vb.glb",
    "tm8958bgs-vb.step",
    "tm8958bgs-vb.lbr",
    "docs/hero.png",
    "docs/tm8958bgs-vb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tm8958bgs-vb-hero.glb",
    "tm8958bgs-vb-hero.overlay.json",
    "tm8958bgs-vb-etched.glb"
  ],
  "component": {
    "mpn": "TM8958BGS-VB",
    "manufacturer": "VBsemi Elec",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/91058a4dd37d8ee75c734478cfad8a51.pdf",
    "parts": {
      "symbol": "tm8958bgs-vb.kicad_sym",
      "footprint": "tm8958bgs-vb.kicad_mod",
      "model_3d": "tm8958bgs-vb-hero.glb",
      "model_3d_plain": "tm8958bgs-vb-etched.glb",
      "model_3d_step": "tm8958bgs-vb-etched.step",
      "model_3d_step_plain": "tm8958bgs-vb.step",
      "lbr": "tm8958bgs-vb.lbr"
    },
    "distributor_links": {
      "lcsc": "C5240551"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T18:40:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source of N-channel MOSFET 1 (VDS 30 V, ID 8 A package limited)."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate of N-channel MOSFET 1, with absolute maximum VGS of ±20 V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source of P-channel MOSFET 2 (VDS -30 V, ID -8 A package limited)."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate of P-channel MOSFET 2, with absolute maximum VGS of ±20 V."
      },
      {
        "number": "5",
        "name": "D2",
        "type": "passive",
        "description": "Drain of P-channel MOSFET 2, tied with pins 5 to 6 as D2; pulsed drain current -40 A."
      },
      {
        "number": "6",
        "name": "D2",
        "type": "passive",
        "description": "Drain of P-channel MOSFET 2, tied with pins 5 to 6 as D2; pulsed drain current -40 A."
      },
      {
        "number": "7",
        "name": "D1",
        "type": "passive",
        "description": "Drain of N-channel MOSFET 1, tied with pins 7 to 8 as D1; pulsed drain current 40 A."
      },
      {
        "number": "8",
        "name": "D1",
        "type": "passive",
        "description": "Drain of N-channel MOSFET 1, tied with pins 7 to 8 as D1; pulsed drain current 40 A."
      }
    ],
    "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: The pin-out diagram on page 1 shows S1/G1 on pins 1-2 and S2/G2 on pins 3-4, with D1 on pins 7-8 and",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1827,
        "at": "2026-10-28T18:40:12"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/91058a4dd37d8ee75c734478cfad8a51.pdf",
        "pages": 14,
        "sha256": "2a64970883700349",
        "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": "tm8958bgs-vb.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tm8958bgs-vb-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": "72dc61e331f39d0567188e4f1fcd10562e04c4f23b228b962129ef0f9e53348e",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SO-8",
      "source_page": 12,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.8,
          5.0
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tm8958bgs-vb.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}