UMY1N

{
  "slug": "umy1n",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Bipolar (BJT), SOT-353. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "umy1n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "umy1n.kicad_sym",
    "umy1n.kicad_mod",
    "umy1n.glb",
    "umy1n.step",
    "umy1n.lbr",
    "docs/hero.png",
    "docs/umy1n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "umy1n-hero.glb",
    "umy1n-hero.overlay.json"
  ],
  "component": {
    "mpn": "UMY1N",
    "manufacturer": "Changjing",
    "package": "SOT-353",
    "pin_count": 5,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590223284639076352",
    "parts": {
      "symbol": "umy1n.kicad_sym",
      "footprint": "umy1n.kicad_mod",
      "model_3d": "umy1n-hero.glb",
      "model_3d_plain": "umy1n.glb",
      "model_3d_step": "umy1n-etched.step",
      "model_3d_step_plain": "umy1n.step",
      "lbr": "umy1n.lbr"
    },
    "distributor_links": {
      "lcsc": "C2961232"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T10:55:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B1",
        "type": "input",
        "description": "Base of the left-hand transistor in the schematic (Tr1 PNP 2SA1037AK or Tr2 NPN 2SC2412K), with Tr1 limits of VEBO -6 V and IC -150 mA."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Common emitter of the PNP and NPN transistors (shared between Tr1 and Tr2)."
      },
      {
        "number": "3",
        "name": "B2",
        "type": "input",
        "description": "Base of the right-hand transistor in the schematic, with Tr2 limits of VEBO 7 V and IC 150 mA if NPN."
      },
      {
        "number": "4",
        "name": "C2",
        "type": "passive",
        "description": "Collector of the right-hand transistor in the schematic, with VCEO of 50 V (Tr2) or -50 V (Tr1) and IC of 150 mA max."
      },
      {
        "number": "5",
        "name": "C1",
        "type": "passive",
        "description": "Collector of the left-hand transistor in the schematic, with VCEO of 50 V (Tr2) or -50 V (Tr1) and IC of 150 mA max."
      }
    ],
    "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 pin drawing shows pin 1 and pin 5 on the left transistor, pin 3 and pin 4 on the right transisto",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 4,
        "cost_usd": 0.2008,
        "at": "2026-10-09T10:53:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590223284639076352",
        "pages": 4,
        "sha256": "6444239c419c9fb7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "umy1n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "umy1n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dc1a576300681fea67015b758081f4da305336d83e92177f58d18eb70251e244",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}