BL3H7B

{
  "slug": "bl3h7b",
  "version": "0.1.0",
  "type": "component",
  "description": "GME(银河微电) , SSOP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "ic",
    "bl3h7b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl3h7b.kicad_sym",
    "bl3h7b.kicad_mod",
    "bl3h7b.glb",
    "bl3h7b.step",
    "bl3h7b.lbr",
    "docs/hero.png",
    "docs/bl3h7b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl3h7b-hero.glb",
    "bl3h7b-hero.overlay.json",
    "bl3h7b-etched.glb"
  ],
  "component": {
    "mpn": "BL3H7B",
    "manufacturer": "GME(银河微电)",
    "package": "SSOP-4",
    "pin_count": 4,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604432695560982528",
    "parts": {
      "symbol": "bl3h7b.kicad_sym",
      "footprint": "bl3h7b.kicad_mod",
      "model_3d": "bl3h7b-hero.glb",
      "model_3d_plain": "bl3h7b-etched.glb",
      "model_3d_step": "bl3h7b-etched.step",
      "model_3d_step_plain": "bl3h7b.step",
      "lbr": "bl3h7b.lbr"
    },
    "distributor_links": {
      "lcsc": "C41425718"
    },
    "distributor_check": {
      "checked_at": "2026-11-03T17:43:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "input",
        "description": "LED anode of the input side; forward current IF max 50 mA (IF = 5 mA for CTR test), VF 1.2 V typ / 1.4 V max at IF = 20 mA."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "input",
        "description": "LED cathode of the input side; reverse voltage VR max 6 V."
      },
      {
        "number": "3",
        "name": "Emitter",
        "type": "passive",
        "description": "Phototransistor emitter; emitter-collector voltage VECO max 7 V."
      },
      {
        "number": "4",
        "name": "Collector",
        "type": "passive",
        "description": "Phototransistor collector; VCEO max 80 V and collector current IC max 50 mA."
      }
    ],
    "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: Ordering table lists the part as BL3H7A (SSOP4); the MPN BL3H7B follows the ordering scheme as CTR b",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.3972,
        "at": "2026-11-03T17:42:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604432695560982528",
        "pages": 9,
        "sha256": "bb544b4d57ab17be",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bl3h7b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.06,
          2.6,
          1.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f72ffc975109874048ff3fec4b2b8f045a43a56d71066f833143a38709648c1a",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl3h7b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.06,
          2.6,
          1.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "85c25346692a813b66913ceb396ebcb5fb3c8f0f0ac71aca8c7ac2b5bb5fa896",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}