MJD41CT4G

{
  "slug": "mjd41ct4g",
  "version": "0.1.0",
  "type": "component",
  "description": "MSKSEMI Bipolar (BJT), TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "mjd41ct4g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mjd41ct4g.kicad_sym",
    "mjd41ct4g.kicad_mod",
    "mjd41ct4g.glb",
    "mjd41ct4g.step",
    "mjd41ct4g.lbr",
    "docs/hero.png",
    "docs/mjd41ct4g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mjd41ct4g-hero.glb",
    "mjd41ct4g-hero.overlay.json",
    "mjd41ct4g-etched.glb"
  ],
  "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": {
      "symbol": "mjd41ct4g.kicad_sym",
      "footprint": "mjd41ct4g.kicad_mod",
      "model_3d": "mjd41ct4g-hero.glb",
      "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": {
      "symbol": "viewers/symbol.html",
      "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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          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mjd41ct4g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0ced1a006c238146c3982b04952af4d970bc2dbf3c806d6a064da580113afcb3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}