main
Ray Set visibility: public 288a6f0 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bas31-d87z",
  "title": "BAS31-D87Z",
  "brief": "onsemi Diodes - General Purpose, SOT-23-3L. 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",
    "diodes",
    "bas31-d87z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BAS31-D87Z",
    "manufacturer": "onsemi",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Diodes - General Purpose",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/bas31-d87z-d.pdf",
    "parts": {
      "symbol": "bas31-d87z.kicad_sym",
      "footprint": "bas31-d87z.kicad_mod",
      "model_3d": "bas31-d87z-hero.glb",
      "model_3d_plain": "bas31-d87z-etched.glb",
      "model_3d_step": "bas31-d87z-etched.step",
      "model_3d_step_plain": "bas31-d87z.step",
      "lbr": "bas31-d87z.lbr"
    },
    "distributor_links": {
      "lcsc": "C896656",
      "digikey": "BAS31-D87ZTR-ND",
      "mouser": "512-BAS31_D87Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T21:42:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BAS31-D87ZTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "512-BAS31_D87Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Anode of the first diode, whose cathode is tied internally to pin 3 (series pair); each diode is rated 120 V VRRM and 200 mA average forward current."
      },
      {
        "number": "2",
        "name": "K2",
        "type": "passive",
        "description": "Cathode of the second diode, whose anode is tied internally to pin 3 (series pair); each diode is rated 120 V VRRM and 200 mA average forward current."
      },
      {
        "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 series connection."
      }
    ],
    "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 connection diagram has no pin names. The pin names and the anode/cathode assignment were read fr",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.2147,
        "at": "2026-10-28T21:41:56"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/bas31-d87z-d.pdf",
        "pages": 7,
        "sha256": "d0d82bb34eb10138",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bas31-d87z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bas31-d87z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a062056143b6a427882a009112b36d97f37a043b897746670f2a791c3c661097",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-23-3L",
      "Category": "Diodes",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d0d82bb34eb101384904689ec51e17d732293c0f02e33937e68e370a77ad86d3",
      "rows": [
        {
          "name": "Breakdown Voltage",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "V",
          "min": 120,
          "typ": null,
          "max": null,
          "conditions": "IR = 1.0 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VR = 90 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VR = 90 V, TA = 150°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 750,
          "conditions": "IF = 10 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 840,
          "conditions": "IF = 50 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 900,
          "conditions": "IF = 100 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IF = 200 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "IF = 400 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total Capacitance",
          "symbol": "CT",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "VR = 0, f = 1.0 MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery Time",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "IF = IR = 30 mA, IRR = 3.0 mA, RL = 100 Ω",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Repetitive Reverse Voltage",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Average Rectified Forward Current",
          "symbol": "IF(AV)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Non-Repetitive Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Pulse Width = 1.0 second",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Non-Repetitive Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Pulse Width = 1.0 microsecond",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 357,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bas31-d87z"
  ],
  "discovery_pitch": "BAS31-D87Z (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bas31-d87z.kicad_sym",
    "bas31-d87z.kicad_mod",
    "bas31-d87z.glb",
    "bas31-d87z.step",
    "bas31-d87z.lbr",
    "docs/hero.png",
    "docs/bas31-d87z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bas31-d87z-hero.glb",
    "bas31-d87z-hero.overlay.json",
    "bas31-d87z-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}