SA120A

{
  "schema_version": 1,
  "type": "component",
  "slug": "sa120a",
  "title": "SA120A",
  "brief": "Brightking Elec (TAIWAN) TVS, 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": [
    "component",
    "circuit protection",
    "sa120a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SA120A",
    "manufacturer": "Brightking Elec (TAIWAN)",
    "package": "DO-15",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "TVS",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b78ef9466641053901ee17a6c9c00c1c.pdf",
    "parts": {
      "symbol": "sa120a.kicad_sym",
      "footprint": "sa120a.kicad_mod",
      "model_3d": "sa120a-hero.glb",
      "model_3d_step": "sa120a.step",
      "lbr": "sa120a.lbr",
      "model_3d_plain": "sa120a.glb"
    },
    "distributor_links": {
      "lcsc": "C523088"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T19:11:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode: marked by the color band on the unidirectional SA120A, which has a 120V reverse stand-off voltage (VRWM) and a 133-147V breakdown voltage at 1mA."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode: the axial lead opposite the cathode band on the unidirectional SA120A, which has a maximum clamping voltage of 193V at 2.6A peak pulse current."
      }
    ],
    "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 has no pin table. The two axial leads are numbered 1 (cathode) and 2 (anode) by conven"
        ],
        "pages_sent": 6,
        "cost_usd": 0.052,
        "at": "2026-10-22T19:11:13"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b78ef9466641053901ee17a6c9c00c1c.pdf",
        "pages": 6,
        "sha256": "b64dbbd31cc539fe",
        "source_tier": "lcsc"
      },
      "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": "sa120a.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Brightking Elec (TAIWAN)",
      "Package": "DO-15",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b64dbbd31cc539fe1d9fb36a2a277fd26bf541b732af9e20555b529d387c7bd1",
      "rows": [
        {
          "name": "Reverse Stand-Off Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 133,
          "typ": null,
          "max": 147,
          "conditions": "@IT=1mA, TA=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Test Current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "TA=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 193,
          "conditions": "@IPP=2.6A, TA=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2.6,
          "conditions": "10/1000μs waveform, TA=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@VRWM, TA=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "10/1000μs waveform",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Steady state power dissipation",
          "symbol": "PM(AV)",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "TL=75℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak forward surge current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "Amps",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "8.3ms single half sine-wave superimposed on rated load",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating junction and storage temperature range",
          "symbol": "TJ,TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "Typical",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sa120a"
  ],
  "discovery_pitch": "SA120A (Brightking Elec (TAIWAN)) 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",
    "sa120a.kicad_sym",
    "sa120a.kicad_mod",
    "sa120a.glb",
    "sa120a.step",
    "sa120a.lbr",
    "docs/hero.png",
    "docs/sa120a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sa120a-hero.glb",
    "sa120a-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}