BAS40-04Q

{
  "schema_version": 1,
  "type": "component",
  "slug": "bas40-04q",
  "title": "BAS40-04Q",
  "brief": "Yangzhou Yangjie Elec Tech Schottky Diodes, SOT-23(TO-236). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "diodes",
    "bas40-04q",
    "factory-2.0.0",
    "extractor-text"
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    "mpn": "BAS40-04Q",
    "manufacturer": "Yangzhou Yangjie Elec Tech",
    "package": "SOT-23(TO-236)",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Schottky Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835008144662528",
    "parts": {
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      "footprint": "bas40-04q.kicad_mod",
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      "model_3d_plain": "bas40-04q-etched.glb",
      "model_3d_step": "bas40-04q-etched.step",
      "model_3d_step_plain": "bas40-04q.step",
      "lbr": "bas40-04q.lbr"
    },
    "distributor_links": {
      "lcsc": "C2942460"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T23:41:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Anode of the first Schottky diode (marking 44, BAS40-04Q dual series configuration); 40V VRRM, 120mA IFAV per the datasheet."
      },
      {
        "number": "2",
        "name": "K2",
        "type": "passive",
        "description": "Cathode of the second Schottky diode in the BAS40-04Q series pair; 40V VRRM, 120mA IFAV per the datasheet."
      },
      {
        "number": "3",
        "name": "K1/A2",
        "type": "passive",
        "description": "Common node joining the cathode of the first diode and the anode of the second diode in the BAS40-04Q series configuration."
      }
    ],
    "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: Diode orientation in the BAS40-04Q symbol was read from a small schematic image (series configuratio",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.08,
        "at": "2026-10-15T23:40:54"
      },
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        "pages": 4,
        "sha256": "0d43fbeee6ea1172",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bas40-04q-etched.step",
        "role": "eda",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Yangzhou Yangjie Elec Tech",
      "Package": "SOT-23(TO-236)",
      "Category": "Diodes",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "housing": {
        "quote": "4. Body color: Black",
        "page": 3,
        "doc": "ds.pdf",
        "colour": "black"
      },
      "version": 1,
      "datasheet_sha256": "0d43fbeee6ea1172e4a729d5f09a85968f5ea9bb85208d49b4a3da5014e2600e"
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    "characteristics": {
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          "conditions": "",
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        {
          "name": "Non-repetitive Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
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          "max": 0.6,
          "conditions": "square wave tp<10ms",
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
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          "unit": "mW",
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        },
        {
          "name": "Thermal Resistance Junction to Ambient",
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        },
        {
          "name": "Junction Temperature",
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          "conditions": "",
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        },
        {
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        },
        {
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          "max": 0.2,
          "conditions": "VR=30V",
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          "source": "datasheet"
        },
        {
          "name": "Junction Capacitance",
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          "conditions": "VR=0 V, f=1MHZ",
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    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bas40-04q"
  ],
  "discovery_pitch": "BAS40-04Q (Yangzhou Yangjie Elec Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
    "public": true
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}