main
Ray Set visibility: public 21dd872 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sbd40120tctb",
  "title": "SBD40120TCTB",
  "brief": "Changjing Schottky Diodes, TO-220-3L. 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",
    "sbd40120tctb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SBD40120TCTB",
    "manufacturer": "Changjing",
    "package": "TO-220-3L",
    "pin_count": 3,
    "category": "Diodes",
    "subcategory": "Schottky Diodes",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603140465570947072",
    "parts": {
      "symbol": "sbd40120tctb.kicad_sym",
      "footprint": "sbd40120tctb.kicad_mod",
      "model_3d": "sbd40120tctb-hero.glb",
      "model_3d_plain": "sbd40120tctb-etched.glb",
      "model_3d_step": "sbd40120tctb-etched.step",
      "model_3d_step_plain": "sbd40120tctb.step",
      "lbr": "sbd40120tctb.lbr"
    },
    "distributor_links": {
      "lcsc": "C2924063"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:04:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode terminal of the Schottky barrier rectifier; the device is rated for VRRM 120 V and average rectified output current IO of 40 A (2×20 A)."
      },
      {
        "number": "2",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode terminal of the Schottky barrier rectifier, common to both diode anodes; the device is rated for VRRM 120 V and IO 40 A (2×20 A)."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode terminal of the Schottky barrier rectifier; the device is rated for VRRM 120 V and average rectified output current IO of 40 A (2×20 A)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pinout for TO-220-3L lists pin 1 and pin 3 as ANODE and pin 2 as CATHODE, which matche; The datasheet does not state whether the mounting tab is internally connected to the cathode, so no ; Pin types were assigned as passive, the KiCad class commonly used for rectifier diode terminals; the"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0175,
        "at": "2026-10-18T02:02:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603140465570947072",
        "pages": 4,
        "sha256": "28e315ac6c5edd27",
        "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": "sbd40120tctb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sbd40120tctb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "9fe852d7259efb7f7b605cdfaf6bef09869059aa439723c0195d9251cf0a5999",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "TO-220-3L",
      "Category": "Diodes",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "28e315ac6c5edd27a9a6438bdabc949847f6bfaaefb41668040c7a405bc77e57",
      "rows": [
        {
          "name": "Peak repetitive reverse voltage",
          "symbol": "VRRM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "RMS reverse voltage",
          "symbol": "VR(RMS)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 84,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Average rectified output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Non-repetitive peak forward surge current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "8.3ms half sine wave",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse voltage",
          "symbol": "V(BR)",
          "kind": "electrical",
          "unit": "V",
          "min": 120,
          "typ": null,
          "max": null,
          "conditions": "IR=0.1mA",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sbd40120tctb"
  ],
  "discovery_pitch": "SBD40120TCTB (Changjing) 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",
    "sbd40120tctb.kicad_sym",
    "sbd40120tctb.kicad_mod",
    "sbd40120tctb.glb",
    "sbd40120tctb.step",
    "sbd40120tctb.lbr",
    "docs/hero.png",
    "docs/sbd40120tctb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sbd40120tctb-hero.glb",
    "sbd40120tctb-hero.overlay.json",
    "sbd40120tctb-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}