main
Ray Set visibility: public 2bf6edd 5h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "bl814b",
  "title": "BL814B",
  "brief": "GME(银河微电) , DIP-4L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "ic",
    "bl814b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BL814B",
    "manufacturer": "GME(银河微电)",
    "package": "DIP-4L",
    "pin_count": 4,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604432694302556160",
    "parts": {
      "symbol": "bl814b.kicad_sym",
      "footprint": "bl814b.kicad_mod",
      "model_3d": "bl814b-hero.glb",
      "model_3d_plain": "bl814b-etched.glb",
      "model_3d_step": "bl814b-etched.step",
      "model_3d_step_plain": "bl814b.step",
      "lbr": "bl814b.lbr"
    },
    "distributor_links": {
      "lcsc": "C41425713"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:52:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode/Cathode",
        "type": "passive",
        "description": "LED input terminal (anode/cathode, AC-input antiparallel LEDs), forward current IF up to ±60 mA with VF typ. 1.2 V at ±20 mA."
      },
      {
        "number": "2",
        "name": "Cathode/Anode",
        "type": "passive",
        "description": "LED input terminal (cathode/anode, AC-input antiparallel LEDs), forward current IF up to ±60 mA with VF typ. 1.2 V at ±20 mA."
      },
      {
        "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: MPN BL814B is not listed in the ordering table (only BL814A/MA/SA shown); per the ordering code sche",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2278,
        "at": "2026-10-17T14:49:48"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604432694302556160",
        "pages": 9,
        "sha256": "ab54e7dcddd351ab",
        "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": "bl814b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          4.93,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "39490b2c17b5f36ae3fdd5fdd2952f6879a060ff6cbc6d0241e3d6262fd0f215",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl814b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          4.93,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2d2d5f6f49004d634a9cd007dc8d897ea9040c1e624627c12ebc4444120f01dc",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GME(银河微电)",
      "Package": "DIP-4L",
      "Category": "",
      "Pins": "4"
    },
    "appearance": {
      "contacts": {
        "quote": " Terminals: Matte tin-plated leads; solderability-per MIL-STD-202, Method 208",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "ab54e7dcddd351ab1cedb2a61b5d7df078fac4a2d3318a6027cef0cb617f2400"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ab54e7dcddd351ab1cedb2a61b5d7df078fac4a2d3318a6027cef0cb617f2400",
      "rows": [
        {
          "name": "Current Transfer Ratio (Bank B)",
          "symbol": "CTR",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
          "typ": null,
          "max": 300,
          "conditions": "IF=±1mA, VCE=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.4,
          "conditions": "IF=±20mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Terminal Capacitance",
          "symbol": "Ct",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 30,
          "max": 250,
          "conditions": "V=0, f=1kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Dark Current",
          "symbol": "ICEO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCE = 20V, IF = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Breakdown Voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "IC = 0.1mA, IF = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Collector Breakdown Voltage",
          "symbol": "BVECO",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "IE = 10μA, IF = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "IF=±20mA, IC=1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Floating Capacitance",
          "symbol": "Cf",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.6,
          "max": 1,
          "conditions": "V=0, f=1MHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rise Time",
          "symbol": "Tr",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "VCE=2V, RL=100Ω, IC=2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "Tf",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Forward Current",
          "symbol": "IF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -60,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Power Dissipation",
          "symbol": "PC",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Collector Voltage",
          "symbol": "VECO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "PTOT",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Isolation Voltage",
          "symbol": "VISO",
          "kind": "absolute_maximum",
          "unit": "Vrms",
          "min": null,
          "typ": null,
          "max": 5000,
          "conditions": "40 to 60% RH, AC for 1 minute",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 110,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering Temperature",
          "symbol": "TSOL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "For 10 seconds",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Ambient",
          "symbol": "RthJ-A",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 325,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Case",
          "symbol": "RthJ-C",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Cut-off Frequency",
          "symbol": "Fc",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VCE=5V, IC=2mA, RL=100Ω, -3dB",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl814b"
  ],
  "discovery_pitch": "BL814B (GME(银河微电)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl814b.kicad_sym",
    "bl814b.kicad_mod",
    "bl814b.glb",
    "bl814b.step",
    "bl814b.lbr",
    "docs/hero.png",
    "docs/bl814b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl814b-hero.glb",
    "bl814b-hero.overlay.json",
    "bl814b-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}