main
Ray Set visibility: public b6e682b 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "s2y",
  "title": "S2Y",
  "brief": "LGE Diodes - General Purpose, SMA(DO-214AC). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "tags": [
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    "category": "Diodes",
    "subcategory": "Diodes - General Purpose",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d1e69ab08c86cff1eac7973a7b9537af.pdf",
    "parts": {
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      "footprint": "s2y.kicad_mod",
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      "model_3d_plain": "s2y-etched.glb",
      "model_3d_step": "s2y-etched.step",
      "model_3d_step_plain": "s2y.step",
      "lbr": "s2y.lbr"
    },
    "distributor_links": {
      "lcsc": "C54194977",
      "mouser": "821-S2Y"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T05:38:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "821-S2Y",
        "status": "found",
        "lifecycle": "New Product"
      }
    },
    "pins": [
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        "name": "K",
        "type": "passive",
        "description": "Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "primary_model": "cathode-band convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0007,
        "at": "2026-10-21T05:36:06"
      },
      "datasheet": {
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        "pages": 2,
        "sha256": "db619cad93b82e89",
        "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": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "s2y.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LGE",
      "Package": "SMA(DO-214AC)",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "db619cad93b82e897a7595ec50e0c9db2ea927f445a7280011c941f6ab70d6b2",
      "rows": [
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          "max": 2,
          "conditions": "R-load, TT = 100°C",
          "source_page": 1,
          "source": "datasheet"
        },
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          "conditions": "f > 15 Hz",
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        {
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          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "50/60 Hz half sine-wave, TA = 25°C; printed as 50/55 A (50 Hz / 60 Hz)",
          "source_page": 1,
          "source": "datasheet"
        },
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          "conditions": "t < 10 ms, TA = 25°C",
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        {
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          "name": "Storage temperature",
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        },
        {
          "name": "Repetitive peak reverse voltage (S2Y)",
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          "kind": "absolute_maximum",
          "unit": "V",
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          "name": "Surge peak reverse voltage (S2Y)",
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        {
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          "typ": null,
          "max": 1.15,
          "conditions": "Tj = 25°C, IF = 2 A",
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          "source": "datasheet"
        },
        {
          "name": "Leakage current",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 5,
          "conditions": "Tj = 25°C, VR = VRRM",
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        {
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          "min": null,
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          "conditions": "Tj = 100°C, VR = VRRM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient air",
          "symbol": "RthA",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
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        },
        {
          "name": "Thermal resistance junction to terminal",
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          "kind": "thermal",
          "unit": "K/W",
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          "max": 15,
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    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "s2y"
  ],
  "discovery_pitch": "S2Y (LGE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "s2y-hero.glb",
    "s2y-hero.overlay.json",
    "s2y-etched.glb"
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  "visibility": {
    "public": true
  }
}