SMAJ28CAHE3-TP

{
  "schema_version": 1,
  "type": "component",
  "slug": "smaj28cahe3-tp",
  "title": "SMAJ28CAHE3-TP",
  "brief": "MCC(美微科) , SMA(DO-214AC). 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",
    "ic",
    "smaj28cahe3-tp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMAJ28CAHE3-TP",
    "manufacturer": "MCC(美微科)",
    "package": "SMA(DO-214AC)",
    "pin_count": 2,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604440430906134528",
    "parts": {
      "symbol": "smaj28cahe3-tp.kicad_sym",
      "footprint": "smaj28cahe3-tp.kicad_mod",
      "model_3d": "smaj28cahe3-tp-hero.glb",
      "model_3d_plain": "smaj28cahe3-tp-etched.glb",
      "model_3d_step": "smaj28cahe3-tp-etched.step",
      "model_3d_step_plain": "smaj28cahe3-tp.step",
      "lbr": "smaj28cahe3-tp.lbr"
    },
    "distributor_links": {
      "lcsc": "C5173047"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:38:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "passive",
        "description": "Bidirectional TVS terminal 1 (no polarity; no cathode band on bi-directional types), 28V reverse stand-off, 400W min peak pulse power on 10/1000μs waveform."
      },
      {
        "number": "2",
        "name": "A2",
        "type": "passive",
        "description": "Bidirectional TVS terminal 2 (no polarity; interchangeable with terminal 1), 28V reverse stand-off, 45.4V max clamping voltage at 8.8A 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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet doesn't print pin numbers or names. The pin configuration shows two unlabeled terminal",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.1058,
        "at": "2026-10-17T15:35:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604440430906134528",
        "pages": 4,
        "sha256": "6153f897b7e6da84",
        "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": "smaj28cahe3-tp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          2.7,
          2.22
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smaj28cahe3-tp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          2.7,
          2.22
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ba5a6e454dedbe06371e86310ab642e20fc9131545e6d37087c7b31791d93e3c",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MCC(美微科)",
      "Package": "SMA(DO-214AC)",
      "Category": "",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "copper pads to each terminal.",
        "page": 1,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "6153f897b7e6da84050fab15c8fed1813d6e23f3af12b4930ac15615c6756858"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6153f897b7e6da84050fab15c8fed1813d6e23f3af12b4930ac15615c6756858",
      "rows": [
        {
          "name": "Peak Pulse Power Dissipation (10/1000 µs waveform)",
          "symbol": "PPPM",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": 400,
          "typ": null,
          "max": null,
          "conditions": "Note 3,7: 10/1000us waveform, non-repetitive",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Breakdown Voltage (bi-directional, SMAJ28CA)",
          "symbol": "V(BR)",
          "kind": "electrical",
          "unit": "V",
          "min": 31.1,
          "typ": null,
          "max": 34.4,
          "conditions": "@ IT = 1 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Clamping Voltage (bi-directional, SMAJ28CA)",
          "symbol": "VC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45.4,
          "conditions": "@ IPP",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage (bi-directional, SMAJ28CA)",
          "symbol": "ID",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "@VWM = 28 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Steady State Power Dissipation",
          "symbol": "PM(AV)",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "Note 3,6: lead temperature TL = 75°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Thermal Resistance, Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Junction to ambient",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smaj28cahe3-tp"
  ],
  "discovery_pitch": "SMAJ28CAHE3-TP (MCC(美微科)) 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",
    "smaj28cahe3-tp.kicad_sym",
    "smaj28cahe3-tp.kicad_mod",
    "smaj28cahe3-tp.glb",
    "smaj28cahe3-tp.step",
    "smaj28cahe3-tp.lbr",
    "docs/hero.png",
    "docs/smaj28cahe3-tp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smaj28cahe3-tp-hero.glb",
    "smaj28cahe3-tp-hero.overlay.json",
    "smaj28cahe3-tp-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}