1SMB5952BT3G

{
  "slug": "1smb5952bt3g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Zener Diodes, SMB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "diodes",
    "1smb5952bt3g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "1smb5952bt3g.kicad_sym",
    "1smb5952bt3g.kicad_mod",
    "1smb5952bt3g.glb",
    "1smb5952bt3g.step",
    "1smb5952bt3g.lbr",
    "docs/hero.png",
    "docs/1smb5952bt3g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "1smb5952bt3g-hero.glb",
    "1smb5952bt3g-hero.overlay.json",
    "1smb5952bt3g-etched.glb"
  ],
  "component": {
    "mpn": "1SMB5952BT3G",
    "manufacturer": "onsemi",
    "package": "SMB",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/1smb5952bt3-d.pdf",
    "parts": {
      "symbol": "1smb5952bt3g.kicad_sym",
      "footprint": "1smb5952bt3g.kicad_mod",
      "model_3d": "1smb5952bt3g-hero.glb",
      "model_3d_plain": "1smb5952bt3g-etched.glb",
      "model_3d_step": "1smb5952bt3g-etched.step",
      "model_3d_step_plain": "1smb5952bt3g.step",
      "lbr": "1smb5952bt3g.lbr"
    },
    "distributor_links": {
      "lcsc": "C236106",
      "digikey": "1SMB5952BT3GOSTR-ND",
      "mouser": "863-1SMB5952BT3G"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T17:00:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1SMB5952BT3GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-1SMB5952BT3G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode end of the Zener diode, indicated by the polarity band; reverse Zener voltage VZ is 123.5 V min, 130 V nom, 136.5 V max at IZT = 2.9 mA for the 1SMB5952BT3G."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode end of the Zener diode; forward voltage VF is 1.5 V max at IF = 200 mA(dc)."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet labels only 'Cathode' and 'Anode' on the SMB (CASE 403A) package outline and does not "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0722,
        "at": "2026-10-22T16:59:33"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/1smb5952bt3-d.pdf",
        "pages": 6,
        "sha256": "e95f4deeabd8ea97",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "1smb5952bt3g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "1smb5952bt3g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          3.55,
          2.15
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a2b906586060eb7f9d26d3bb48cd4442f5e06014bce081066649d565acd4505b",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}