main
Ray Set visibility: public 452b2f2 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "rl1210a431k",
  "title": "RL1210A431K",
  "brief": "RUILON Shenzhen Ruilongyuan Elec Varistors, 1210. 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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    "circuit protection",
    "rl1210a431k",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "RL1210A431K",
    "manufacturer": "RUILON Shenzhen Ruilongyuan Elec",
    "package": "1210",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Varistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226931762159616",
    "parts": {
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      "footprint": "rl1210a431k.kicad_mod",
      "model_3d": "rl1210a431k-hero.glb",
      "model_3d_plain": "rl1210a431k-etched.glb",
      "model_3d_step": "rl1210a431k-etched.step",
      "model_3d_step_plain": "rl1210a431k.step",
      "lbr": "rl1210a431k.lbr"
    },
    "distributor_links": {
      "lcsc": "C2935547"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:12:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First end-termination of the bidirectional, symmetrical varistor; RL1210A431K is rated 275 VAC / 350 VDC max allowable voltage, with 387~473 V varistor voltage at 1 mA."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second end-termination of the bidirectional, symmetrical varistor, interchangeable with the first; clamping voltage is 710 V at 8/20μs and 5 A, and withstanding surge current is 250 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet draws a two-terminal chip (terminal width WB) with no pin numbers or names. Pins \"1\" a",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1174,
        "at": "2026-10-17T21:09:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226931762159616",
        "pages": 4,
        "sha256": "e8cd1faffba96262",
        "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"
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    "models_3d": [
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        "file": "rl1210a431k.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": "44b152a107ee844595f54f1205cd4e0e37cebb9635affbe45f530daada41d245",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rl1210a431k-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c59986cd9f648c39dff8e73f15cf24ef5f2070f7dd8473a059902b35d11df064",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RUILON Shenzhen Ruilongyuan Elec",
      "Package": "1210",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e8cd1faffba962620c418710644acb3f6767f0bcf2c4e23f844349c493d7dd6f",
      "rows": [
        {
          "name": "Varistor voltage",
          "symbol": "V1mA",
          "kind": "electrical",
          "unit": "V",
          "min": 387,
          "typ": null,
          "max": 473,
          "conditions": "V1mA, 1 mA test current; RL1210A431K row",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Varistor voltage tolerance (K suffix)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "K: ±10%",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Max allowable voltage (AC)",
          "symbol": "VAC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 275,
          "conditions": "RL1210A431K row",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max allowable voltage (DC)",
          "symbol": "VDC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "RL1210A431K row",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max energy",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "J",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "10/1000 μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max clamping voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 710,
          "conditions": "8/20 μs",
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          "source": "datasheet"
        },
        {
          "name": "Withstanding surge current",
          "symbol": "I",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "8/20 μs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 5,
          "typ": null,
          "max": 40,
          "conditions": "Storage condition",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage relative humidity",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "%RH",
          "min": null,
          "typ": null,
          "max": 65,
          "conditions": "Storage condition",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage time",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "months",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "Taping package storage condition",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Response time",
          "symbol": "",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "<1 ns",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Varistor voltage change, bias humidity",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "90%RH, 40ºC, working voltage, 1000 hrs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Varistor voltage change, thermal shock",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "-40ºC to 85ºC, 30 min cycle, 5 cycles",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Varistor voltage change, full load",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Working voltage, 85ºC, 1000 hrs",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Solderability dip temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": 240,
          "typ": null,
          "max": 250,
          "conditions": "245±5 ºC, 3±1 sec",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Soldering gun tip temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 280,
          "conditions": "Soldering gun under 30 W",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Heat shock during soldering",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Do not give heat shock over 100°C in the process of soldering",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rl1210a431k"
  ],
  "discovery_pitch": "RL1210A431K (RUILON Shenzhen Ruilongyuan Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "rl1210a431k.step",
    "rl1210a431k.lbr",
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    "docs/rl1210a431k-datasheet.pdf",
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    "viewers/footprint.html",
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    "rl1210a431k-hero.overlay.json",
    "rl1210a431k-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}