main
Ray Set visibility: public 118f997 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bas21-r1-00001",
  "title": "BAS21_R1_00001",
  "brief": "PANJIT International Switching Diodes, SOT-23. 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",
    "bas21_r1_00001",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BAS21_R1_00001",
    "manufacturer": "PANJIT International",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Switching Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884464957337600",
    "parts": {
      "symbol": "bas21-r1-00001.kicad_sym",
      "footprint": "bas21-r1-00001.kicad_mod",
      "model_3d": "bas21-r1-00001-hero.glb",
      "model_3d_plain": "bas21-r1-00001-etched.glb",
      "model_3d_step": "bas21-r1-00001-etched.step",
      "model_3d_step_plain": "bas21-r1-00001.step",
      "lbr": "bas21-r1-00001.lbr"
    },
    "distributor_links": {
      "lcsc": "C391392",
      "mouser": "241-BAS21_R1_00001"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T08:59:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": "241-BAS21_R1_00001",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode of the single switching diode (top view, lower-left pin); BAS21 is rated for 200 V reverse voltage VR and 200 mA average rectified current IO."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection shown in the single-diode SOT-23 pin drawing."
      },
      {
        "number": "3",
        "name": "K",
        "type": "passive",
        "description": "Cathode of the single switching diode (top pin); BAS21 peak reverse voltage VRM is 250 V."
      }
    ],
    "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 page 1 diagram (SINGLE, top view) shows pin 3 at the top joined to the diode, pin 1 at lower lef; Pin 2 is shown without a connection in the drawing but is not labelled N/C in the text.",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2265,
        "at": "2026-10-19T08:56:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884464957337600",
        "pages": 5,
        "sha256": "62a94fa2f8f9f24f",
        "source_tier": "lcsc"
      },
      "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": "bas21-r1-00001.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": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bas21-r1-00001-etched.step",
        "role": "eda",
        "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": "8fdb3350c60ab2bedabee8b3cb4529e86ae7a8424f2bd4df1ae6de0d5b344e38",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "PANJIT International",
      "Package": "SOT-23",
      "Category": "Diodes",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "62a94fa2f8f9f24f638b21b2e3eff3697883b471da63fbd72f2df7d46a3249c3",
      "rows": [
        {
          "name": "Reverse Voltage",
          "symbol": "VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Reverse Voltage",
          "symbol": "VRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Rectified Current (Average)",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Half wave rectification, with resistive load and f >50Hz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Forward Surge Current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "tp=1s, single half sine-wave superimposed on rated load",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PTOT",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "Derate above 25 oC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@100mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum DC Reverse Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "TJ=25 oC, at rated DC blocking voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Recovery Time",
          "symbol": "TRR",
          "kind": "timing",
          "unit": "nS",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "From IF=10mA to IR=1mA, VR=6Volts, RL=100",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Junction Capacitance",
          "symbol": "CJ",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "VR=0, f=1MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature and Storage Temperature Range",
          "symbol": "TJ,TSTG",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "oC/W",
          "min": null,
          "typ": 357,
          "max": null,
          "conditions": "Mounted on a FR-4 PCB, single-sided copper, with 100cm2 copper pad area (Note 3)",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bas21_r1_00001"
  ],
  "discovery_pitch": "BAS21_R1_00001 (PANJIT International) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "bas21-r1-00001.kicad_sym",
    "bas21-r1-00001.kicad_mod",
    "bas21-r1-00001.glb",
    "bas21-r1-00001.step",
    "bas21-r1-00001.lbr",
    "docs/hero.png",
    "docs/bas21-r1-00001-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bas21-r1-00001-hero.glb",
    "bas21-r1-00001-hero.overlay.json",
    "bas21-r1-00001-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}