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Ray Set visibility: public 560caf4 23h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "1n5388b",
  "title": "1N5388B",
  "brief": "LGE Zener Diodes, DO-15. 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",
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    "extractor-text"
  ],
  "component": {
    "mpn": "1N5388B",
    "manufacturer": "LGE",
    "package": "DO-15",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f8888a3b0d1cc9dbacb57578b1418da5.pdf",
    "parts": {
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      "footprint": "1n5388b.kicad_mod",
      "model_3d": "1n5388b-hero.glb",
      "model_3d_step": "1n5388b.step",
      "lbr": "1n5388b.lbr",
      "model_3d_plain": "1n5388b.glb"
    },
    "distributor_links": {
      "lcsc": "C5274448",
      "digikey": "4878-1N5388BCT-ND",
      "mouser": "637-1N5388B"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T11:59:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4878-1N5388BCT-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "637-1N5388B",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode, marked by the cathode band; positive terminal in zener (reverse breakdown) operation, with VZ 200 V at IZT 5.0 mA for the 1N5388B and 5.0 W maximum DC power dissipation at TL=75."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode terminal, opposite the cathode band end; lead terminal of the axial DO-15 package with maximum junction temperature TJ of 150."
      }
    ],
    "provenance": {
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      "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 gives no pin numbers for the axial DO-15 package. It only states the cathode band pola"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0551,
        "at": "2026-10-30T11:59:15"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f8888a3b0d1cc9dbacb57578b1418da5.pdf",
        "pages": 5,
        "sha256": "b2a8599d7ca807f9",
        "source_tier": "lcsc"
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      "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": "1n5388b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          13.6,
          3.62,
          6.61
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "830b6b0897c8be8055aa6c51f81fa67e5f932b1bf037644261cdba627d18a8b1",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DO-15",
      "source_page": 1,
      "D": {
        "nom_mm": 6.795,
        "range_mm": [
          5.791,
          7.798
        ]
      },
      "E1": {
        "nom_mm": 3.099,
        "range_mm": [
          2.591,
          3.607
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "1n5388b.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LGE",
      "Package": "DO-15",
      "Category": "Diodes",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "NOTES: (1) Mounted on 8.0mm2 copper pads to each terminal.",
        "page": 1,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "b2a8599d7ca807f9b00d5c7fa6fa63dc6971728c6442658a78fac39a6485d233"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b2a8599d7ca807f9b00d5c7fa6fa63dc6971728c6442658a78fac39a6485d233",
      "rows": [
        {
          "name": "Zener voltage tolerance (B suffix)",
          "symbol": "VZ tol",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "suffix B",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Nominal zener voltage",
          "symbol": "VZ",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "@IZT",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Zener test current",
          "symbol": "IZT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum zener impedance",
          "symbol": "ZZT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 480,
          "conditions": "@IZT",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum zener impedance at knee",
          "symbol": "ZZK",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 1850,
          "conditions": "@IZK=1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum reverse leakage current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "at VR = 152 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse voltage for leakage test",
          "symbol": "VR",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 152,
          "max": null,
          "conditions": "IR test",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum regulator current",
          "symbol": "IZM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 23.6,
          "conditions": "TL=75, 3/8\" from body",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TL=75, zero lead length (Fig.1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power derating above 75",
          "symbol": "PD derate",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "derate above 75 (NOTE 1)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "1n5388b"
  ],
  "discovery_pitch": "1N5388B (LGE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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}