main
Ray Set visibility: public 23240ee 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mjd41ct4g",
  "title": "MJD41CT4G",
  "brief": "MSKSEMI Bipolar (BJT), TO-252. 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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    "transistors-thyristors",
    "mjd41ct4g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MJD41CT4G",
    "manufacturer": "MSKSEMI",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922990978740224",
    "parts": {
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      "footprint": "mjd41ct4g.kicad_mod",
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      "model_3d_plain": "mjd41ct4g-etched.glb",
      "model_3d_step": "mjd41ct4g-etched.step",
      "model_3d_step_plain": "mjd41ct4g.step",
      "lbr": "mjd41ct4g.lbr"
    },
    "distributor_links": {
      "lcsc": "C22365376",
      "digikey": "MJD41CT4GOSTR-ND",
      "mouser": "863-MJD41CT4G"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:55:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MJD41CT4GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-MJD41CT4G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the NPN transistor; the datasheet's maximum emitter-base voltage VEBO is 5 V and the base-emitter resistors are built into the monolithic device."
      },
      {
        "number": "2",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal; the datasheet limits are VCBO 100 V, VCEO 100 V, continuous IC 6 A, pulsed ICP 10 A, and PC 1.25 W."
      },
      {
        "number": "3",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal, the reference for the base-emitter voltage; the datasheet gives VBE of 2 V at VCE 4 V and IC 6 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-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 lists the pin functions only as text (1.BASE, 2.COLLECTOR, 3.EMITTER) on page 2 and do; Page 2 header says 'COMPLEMENTARY' but the device is described as NPN (MJD41CT4G is the NPN half of "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0302,
        "at": "2026-10-19T00:53:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922990978740224",
        "pages": 6,
        "sha256": "f35e0a85fa34699e",
        "source_tier": "lcsc"
      },
      "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"
    },
    "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": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "0ced1a006c238146c3982b04952af4d970bc2dbf3c806d6a064da580113afcb3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "TO-252",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f35e0a85fa34699e4331ad46d978a18f0bcc3c8b31c01a45519010e26c5880bf",
      "rows": [
        {
          "name": "Collector-base voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Ta=25℃ unless otherwise noted",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Ta=25℃ unless otherwise noted",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Ta=25℃ unless otherwise noted",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector current - continuous",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Ta=25℃ unless otherwise noted",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector current - pulse",
          "symbol": "ICP",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Pulse test PW≤300μs, duty cycle≤2% (footnote *)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector power dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "Ta=25℃ unless otherwise noted",
          "source_page": 2,
          "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": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "IC=100μA,IE=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "VCEO(sus)",
          "kind": "electrical",
          "unit": "V",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "IC=30mA,IB=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "IE=100μA,IC=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VCB=60V,IE=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VEB=5V IC=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE(1)",
          "symbol": "hFE(1)",
          "kind": "electrical",
          "unit": "",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "VCE=4V IC=0.3A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC current gain hFE(2)",
          "symbol": "hFE(2)",
          "kind": "electrical",
          "unit": "",
          "min": 15,
          "typ": null,
          "max": 75,
          "conditions": "VCE=4V,IC=3A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "IC=6A,IB=0.6A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Base-emitter voltage",
          "symbol": "VBE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VCE=4V,IC=6A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "VCE=10V,IC=500mA,f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mjd41ct4g"
  ],
  "discovery_pitch": "MJD41CT4G (MSKSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
    "public": true
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}