main
Ray Set visibility: public bcec68a 5d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "3dd4243dy",
  "title": "3DD4243DY",
  "brief": "Jilin Sino-Microelectronics Bipolar (BJT), TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "3DD4243DY",
    "manufacturer": "Jilin Sino-Microelectronics",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/148a59f335ddb2a371410859cf8c29b3.pdf",
    "parts": {
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      "lbr": "3dd4243dy.lbr"
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    "distributor_links": {
      "lcsc": "C3020068"
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    "distributor_check": {
      "checked_at": "2026-10-22T19:23:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base; the datasheet gives an emitter-base voltage rating VEBO of 9 V and an emitter-base breakdown V(BR)EBO of at least 9 V."
      },
      {
        "number": "2",
        "name": "C",
        "type": "passive",
        "description": "Collector; the datasheet gives VCEO of 400 V, VCES of 700 V, and a DC collector current of 2.0 A (4.0 A pulse)."
      },
      {
        "number": "3",
        "name": "E",
        "type": "passive",
        "description": "Emitter; the datasheet shows an anti-parallel diode between the emitter and the collector in the symbol."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 3DD4243DY is sold in the TO-92-FJ package. Its photo on page 1 shows pin labels 3, 2, 1 running ; The datasheet does not name the electrical pin types. The types here are inferred from the transisto",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.276,
        "at": "2026-10-22T19:23:00"
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        "pages": 8,
        "sha256": "462fde04f61cb6be",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          3.745,
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        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "52945ce65e21610d39ecdb898e35ee8bbaf9a69ceb38d851501d01c82d0afeeb",
        "checked": "2026-10-22",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Jilin Sino-Microelectronics",
      "Package": "TO-92-3",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "462fde04f61cb6be3eaec2da54fa8746f4fbdd47c904d4ea4e69f3796b3edd71",
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          "name": "Collector-Emitter Voltage (VBE=0)",
          "symbol": "VCES",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "Tc=25℃, VBE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage (IB=0)",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Tc=25℃, IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
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          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 9,
          "conditions": "Tc=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current (DC)",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Tc=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current (pulse)",
          "symbol": "ICP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Tc=25℃",
          "source_page": 2,
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        },
        {
          "name": "Total Dissipation (TO-92)",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Tc=25℃, TO-92",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Tc=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "Tc=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter breakdown voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
          "unit": "V",
          "min": 400,
          "typ": 460,
          "max": null,
          "conditions": "Ic=10mA,IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 700,
          "typ": 800,
          "max": null,
          "conditions": "Ic=1mA,IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": 9,
          "typ": 16,
          "max": null,
          "conditions": "IE=1mA,Ic=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCB=700V, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter cut-off current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCE=400V,IB=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VEB=9V, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 19,
          "typ": 22,
          "max": 25,
          "conditions": "VCE=5V, IC=200mA",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 4,
          "typ": 8,
          "max": null,
          "conditions": "VCE=5V, IC=2.0A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": 1.1,
          "conditions": "IC=2.0A, IB=0.4A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter saturation voltage",
          "symbol": "VBE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": 1.2,
          "conditions": "IC=1.0A, IB=0.2A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "μS",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "VCC=24V IC=0.25A,IB1=-IB2=0.05A",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Storage time",
          "symbol": "ts",
          "kind": "timing",
          "unit": "μS",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCC=24V IC=0.25A,IB1=-IB2=0.05A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "VCE=10V, Ic=0.1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction Ambient TO-92",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "TO-92",
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          "source": "datasheet"
        }
      ]
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "3DD4243DY (Jilin Sino-Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}