HLM337BTG

{
  "slug": "hlm337btg",
  "version": "0.1.0",
  "type": "component",
  "description": "HXY MOSFET Linear Voltage Regulators (LDO), TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "hlm337btg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hlm337btg.kicad_sym",
    "hlm337btg.kicad_mod",
    "hlm337btg.glb",
    "hlm337btg.step",
    "hlm337btg.lbr",
    "docs/hero.png",
    "docs/hlm337btg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hlm337btg-hero.glb",
    "hlm337btg-hero.overlay.json",
    "hlm337btg-etched.glb"
  ],
  "component": {
    "mpn": "HLM337BTG",
    "manufacturer": "HXY MOSFET",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3c467d0e4c35be381cff655400bd87e3.pdf",
    "parts": {
      "symbol": "hlm337btg.kicad_sym",
      "footprint": "hlm337btg.kicad_mod",
      "model_3d": "hlm337btg-hero.glb",
      "model_3d_plain": "hlm337btg-etched.glb",
      "model_3d_step": "hlm337btg-etched.step",
      "model_3d_step_plain": "hlm337btg.step",
      "lbr": "hlm337btg.lbr"
    },
    "distributor_links": {
      "lcsc": "C22449578"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T09:59:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "input",
        "description": "Adjustment pin; the output voltage is set by two external resistors (120 Ω from ADJ to VOUT and R2 from ADJ to ground), with a typical ADJ pin current of 65 µA."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Negative input voltage pin; the input-output voltage differential |VI - VO| must not exceed 40 V."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated negative output voltage pin, adjustable from -1.25 V to -37 V at up to 1.5 A, and it needs an output capacitor for stability (C1 = 1 µF solid tantalum or 10 µF aluminum electrolytic)."
      }
    ],
    "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 ADJ pin type is inferred as input. The datasheet only gives the function as 'Adjustable'. The AD; The 1.5 A output current and -1.25 V to -37 V output range come from the page 1 text. The recommende",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1267,
        "at": "2026-10-27T09:58:54"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3c467d0e4c35be381cff655400bd87e3.pdf",
        "pages": 6,
        "sha256": "f1c1a9a38ef0bd28",
        "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": "body on z = 0, through-hole leads below",
        "extents_mm": [
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          28.525
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        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hlm337btg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "66523d792e4345b7cc9b0d847f42e92dd1fc934c54e511fa29ba85c41dd3df0d",
        "checked": "2026-10-27",
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  }
}