main
Ray Set visibility: public 803e2ac 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "smbj12ca-t3",
  "title": "SMBJ12CA-T3",
  "brief": "baocheng(Shandong Baocheng Elec) ESD And Surge Protection (TVS/ESD), SMB(DO-214AA). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "smbj12ca-t3",
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    "extractor-text"
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  "component": {
    "mpn": "SMBJ12CA-T3",
    "manufacturer": "baocheng(Shandong Baocheng Elec)",
    "package": "SMB(DO-214AA)",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "ESD And Surge Protection (TVS/ESD)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1dae2d34b53fb7ac29448a2e57debc23.pdf",
    "parts": {
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      "footprint": "smbj12ca-t3.kicad_mod",
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      "model_3d_step": "smbj12ca-t3-etched.step",
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      "lbr": "smbj12ca-t3.lbr"
    },
    "distributor_links": {
      "lcsc": "C47345825"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T11:30:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Bidirectional (CA suffix) TVS terminal 1; no polarity, color band not used on bi-directional models, and either terminal can be connected to the positive side (VRWM 12V, VBR 13.30~14.70V at 1mA, VC 19.9V at 30.2A IPP)."
      },
      {
        "number": "2",
        "name": "A2",
        "type": "passive",
        "description": "Bidirectional (CA suffix) TVS terminal 2; no polarity, color band not used on bi-directional models, and either terminal can be connected to the positive side (VRWM 12V, VBR 13.30~14.70V at 1mA, VC 19.9V at 30.2A IPP)."
      }
    ],
    "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 text has no pin table or pinout diagram. The two terminals of this 2-terminal bidirect; The part number is SMBJ12CA-T3. The '-T3' suffix is not explained in the text, so it is presumably t"
        ],
        "pages_sent": 4,
        "cost_usd": 0.0594,
        "at": "2026-10-22T11:29:49"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/1dae2d34b53fb7ac29448a2e57debc23.pdf",
        "pages": 4,
        "sha256": "8c5cbf56e3da0cb1",
        "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
      }
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    "viewers": {
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        "role": "plain",
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        "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": "029466277d91e9f5492556be93e46611049e07115c7913880c547afa96058ed4",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smbj12ca-t3-etched.step",
        "role": "eda",
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        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "baocheng(Shandong Baocheng Elec)",
      "Package": "SMB(DO-214AA)",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Terminal: Tin plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode except bi-directional models",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "8c5cbf56e3da0cb1984994b6d501da2af032d6701174c192692104623e8ef346"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8c5cbf56e3da0cb1984994b6d501da2af032d6701174c192692104623e8ef346",
      "rows": [
        {
          "name": "Breakdown Voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 13.3,
          "typ": null,
          "max": 14.7,
          "conditions": "@IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Stand-Off Voltage",
          "symbol": "VRWM",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Test Current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 19.9,
          "conditions": "@IPP = 30.2 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "IPP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 30.2,
          "conditions": "10/1000μs waveform",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Leakage",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@VRWM",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak pulse power dissipation",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": 600,
          "typ": null,
          "max": null,
          "conditions": "10/1000μs waveform (Note1, Note2, Fig.1), Minimum 600",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Steady state power dissipation",
          "symbol": "PM(AV)",
          "kind": "absolute_maximum",
          "unit": "Watts",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "TA=50℃ (Fig.5)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Peak forward surge current",
          "symbol": "IFSM",
          "kind": "absolute_maximum",
          "unit": "Amps",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) (Note3, Fig.6)",
          "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": "Typical thermal resistance junction to lead",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical thermal resistance junction to ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "smbj12ca-t3"
  ],
  "discovery_pitch": "SMBJ12CA-T3 (baocheng(Shandong Baocheng Elec)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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