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Ray Set visibility: public b44d315 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "1sma4737-r1-00001",
  "title": "1SMA4737_R1_00001",
  "brief": "PANJIT International Zener Diodes, SMA(DO-214AC). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "1SMA4737_R1_00001",
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    "package": "SMA(DO-214AC)",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Zener Diodes",
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      "lbr": "1sma4737-r1-00001.lbr"
    },
    "distributor_links": {
      "lcsc": "C268423",
      "digikey": "3757-1SMA4737_R1_00001TR-ND",
      "mouser": "241-1SMA4737R100001"
    },
    "distributor_check": {
      "checked_at": "2026-10-13T19:40:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "3757-1SMA4737_R1_00001TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "241-1SMA4737R100001",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the 1SMA4737 zener diode, marked by the color band at the cathode end of the SMA body, with the device rated at 1 W and derated above 50°C per the datasheet."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Anode of the 1SMA4737 zener diode, the terminal opposite the color-banded cathode, for a device with junction and storage temperature range of -55 to +150°C."
      }
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        "primary_model": "claude-haiku-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers and names are inferred from the package drawing text on page 1, which lists '1 2' above ; The package outline and mounting drawings (pages 4-5) are not present in the extracted text, so no d"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0228,
        "at": "2026-10-13T19:40:12"
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        "pages": 8,
        "sha256": "ce9ae7ae60febaf2",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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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": "1cfddd4e3b1bf22b8fc6ee3258c2aade882ed7b85b528e23b9db42437775a1db",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "1sma4737-r1-00001-etched.step",
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        "units": "mm",
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        "zmin_mm": 0,
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        "sha256": "56ae8085f93d09a4873b26f13c413d7dbb644bc4ba4342d626cec681af7d0b99",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "PANJIT International",
      "Package": "SMA(DO-214AC)",
      "Category": "Diodes",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ce9ae7ae60febaf2ae7430c8dc1ba7278b392f2f086b39d7e2752bae9168655d",
      "rows": [
        {
          "name": "Nominal Zener Voltage (Nom.) for 1SMA4737",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 7.5,
          "max": null,
          "conditions": "Nominal zener voltage; test current IZT 34 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zener Voltage, Min",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 7.13,
          "typ": null,
          "max": null,
          "conditions": "At IZT 34 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zener Voltage, Max",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7.88,
          "conditions": "At IZT 34 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zener voltage tolerance (standard)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Standard tolerance on nominal zener voltage per note C; no tolerance letter in this MPN",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener Impedance ZZT",
          "symbol": "Z",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "At IZT 34 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Zener Impedance ZZK",
          "symbol": "Z",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "At IZK 0.5 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Reverse Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "At VR 5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Rated power as printed in header (POWER 1 Watt); ratings at 25°C ambient",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "1SMA4737_R1_00001 (PANJIT International) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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