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Ray Set visibility: public 677db8f 7h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "2sa1774tlr",
  "title": "2SA1774TLR",
  "brief": "ROHM Semicon Bipolar Transistors - BJT, SOT-416. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "extractor-text"
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  "component": {
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    "manufacturer": "ROHM Semicon",
    "package": "SOT-416",
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    "category": "Transistors",
    "subcategory": "Bipolar Transistors - BJT",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a756e7e36cbf44f4b2918bf151fdcc0f.pdf",
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      "footprint": "2sa1774tlr.kicad_mod",
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      "lbr": "2sa1774tlr.lbr"
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    "distributor_links": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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    },
    "pins": [
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      },
      {
        "number": "2",
        "name": "B",
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        "description": "Base of the PNP transistor; hFE is 120 to 560 at VCE = -6 V, IC = -1 mA."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector of the PNP transistor; VCEO is -50 V and continuous collector current IC is -150 mA."
      }
    ],
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.2833,
        "at": "2026-10-22T22:20:50"
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        "pages": 15,
        "sha256": "694c9fa4b298276a",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c95dc4eb645435aeef3446391350b78387d849ab0e293051637f04459d7e18e1",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "SOT-416",
      "Category": "Transistors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "694c9fa4b298276aa0d8228db91855b7b2c9446018084da6f69986bc01c96358",
      "rows": [
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "BVCBO",
          "kind": "electrical",
          "unit": "V",
          "min": -60,
          "typ": null,
          "max": null,
          "conditions": "IC = -50μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "IC = -1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "IE = -50μA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VCB = -60V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VEB = -6V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCE(sat)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": -500,
          "conditions": "IC = -50mA, IB = -5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 120,
          "typ": null,
          "max": 560,
          "conditions": "VCE = -6V, IC = -1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output capacitance",
          "symbol": "Cob",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 4,
          "max": 5,
          "conditions": "VCB = -12V, IE = 0A, f = 1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-base voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": -60,
          "conditions": "Ta = 25°C",
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        },
        {
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          "unit": "V",
          "min": null,
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          "conditions": "Ta = 25°C",
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          "source": "datasheet"
        },
        {
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          "symbol": "VEBO",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": -6,
          "conditions": "Ta = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -150,
          "conditions": "Ta = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector current (pulse)",
          "symbol": "ICP",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -200,
          "conditions": "Pw=1ms Single Pulse",
          "source_page": 2,
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        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "2SA1774; each terminal mounted on a reference footprint",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Junction temperature",
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          "kind": "absolute_maximum",
          "unit": "℃",
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          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Range of storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "VCE = -12V, IE = 2mA, f = 100MHz",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
    "2sa1774tlr"
  ],
  "discovery_pitch": "2SA1774TLR (ROHM Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}