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Ray Set visibility: public 1c42d01 20h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "1n5819ws-s4",
  "title": "1N5819WS S4",
  "brief": "JSMSEMI Schottky Diodes, SOD-323. 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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    "extractor-text"
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    "manufacturer": "JSMSEMI",
    "package": "SOD-323",
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    "category": "Diodes",
    "subcategory": "Schottky Diodes",
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      "footprint": "1n5819ws-s4.kicad_mod",
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      "model_3d_plain": "1n5819ws-s4-etched.glb",
      "model_3d_step": "1n5819ws-s4-etched.step",
      "model_3d_step_plain": "1n5819ws-s4.step",
      "lbr": "1n5819ws-s4.lbr"
    },
    "distributor_links": {
      "lcsc": "C2927280"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T17:04:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the Schottky diode; 1N5819WS (marking S4) is rated for 40V peak repetitive reverse voltage and 350mA forward continuous current."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode of the Schottky diode; forward voltage is 0.37V typical at IF=20mA and 0.60V at IF=200mA."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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: Datasheet covers 1N5819WS/BWS/CWS variants; MPN suffix 'S4' matches the 1N5819WS marking (S4), 40V v"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0228,
        "at": "2026-10-22T17:03:14"
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        "pages": 2,
        "sha256": "b4e9a87e96af8bf3",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "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": "cd8619b2119cd95683a2c5e660ab4f2d4db674f696cd6f9e9756f221171a214d",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "1n5819ws-s4-etched.step",
        "role": "eda",
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        "sha256": "1c061ed2638b926d3e845a8fd65facffb5adbe60ed2d6f73c3ddaabf30794ea5",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI",
      "Package": "SOD-323",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b4e9a87e96af8bf3ef2e957f5338f1691245b5cd66603abcfde89724fb9fae85",
      "rows": [
        {
          "name": "Reverse Breakdown Voltage",
          "symbol": "V(BR)R",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IR=10μA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.37,
          "conditions": "IF=20mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward voltage",
          "symbol": "VF",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IF=200mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse current",
          "symbol": "IRM",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VR=30V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Capacitance between terminals",
          "symbol": "CT",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VR=0,f=1MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery Time",
          "symbol": "trr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IR=IF=200mA, Irr=0.1*IR, RL=100Ω",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak Repetitive Reverse Voltage / Working Peak / DC Reverse Voltage",
          "symbol": "VRRM, VRWM, VR",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Ta=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "RMS Reverse Voltage",
          "symbol": "VR(RMS)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 28,
          "conditions": "Ta=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Forward Continuous Current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
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          "max": 350,
          "conditions": "Ta=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
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          "symbol": "IFRM",
          "kind": "absolute_maximum",
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          "min": null,
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          "max": 1.5,
          "conditions": "t≤1.0s",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Ta=25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "RθjA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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    "breadcrumbs",
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "1N5819WS S4 (JSMSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "1n5819ws-s4.step",
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    "public": true
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}