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Ray Set visibility: public b36440e 4h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "2sa1585",
  "title": "2SA1585",
  "brief": "Changjing Bipolar (BJT), SOT-23. 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": "Changjing",
    "package": "SOT-23",
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    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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      "footprint": "2sa1585.kicad_mod",
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      "model_3d_plain": "2sa1585-etched.glb",
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      "lbr": "2sa1585.lbr"
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    "distributor_links": {
      "lcsc": "C92477"
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    "distributor_check": {
      "checked_at": "2026-10-18T13:43:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
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        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the PNP transistor, with emitter-base breakdown of -6 V (min/typ/max as -6 V) and a base-emitter reverse test at VEB = -5 V for emitter cut-off current."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the PNP transistor, rated with a maximum emitter-base voltage VEBO of -6 V and emitter cut-off current IEBO of -0.1 µA at VEB = -5 V."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal of the PNP transistor, rated for a collector-base voltage VCBO of -20 V, a collector-emitter voltage VCEO of -20 V and a continuous collector current of -2 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives only one package for this part: SOT-23 (page 1 pinout, page 3 outline). The pino; The datasheet lists pin functions only as BASE, EMITTER, COLLECTOR. It gives no per-pin electrical l; KiCad ERC types were assigned by me, not stated in the datasheet: BASE as input, EMITTER and COLLECT"
        ],
        "pages_sent": 4,
        "cost_usd": 0.015,
        "at": "2026-10-18T13:43:33"
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        "pages": 4,
        "sha256": "499a304fa5bfe6bb",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "214795a95477c50b4a25dff2bdaeff8b11dd5fc95f8e8ebc097266c310be3f7e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "499a304fa5bfe6bb1b3f2587bb79faf5ce468756a1829c88d78b864bafb5a63d",
      "rows": [
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": null,
          "conditions": "IC= -50µA, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "V(BR)CEO",
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          "conditions": "IC= -1 mA, IB=0",
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        },
        {
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          "typ": null,
          "max": null,
          "conditions": "IE=- 50µA, IC=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VCB=-20V, IE=0",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Emitter cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -0.1,
          "conditions": "VEB= -5V, IC=0",
          "source_page": 1,
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        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
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          "conditions": "VCE=-2 V, IC= -0.1A",
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        },
        {
          "name": "Collector-emitter saturation voltage",
          "symbol": "VCEsat",
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          "conditions": "IC= -2A, IB=-0.1A",
          "source_page": 1,
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        },
        {
          "name": "Transition frequency",
          "symbol": "fT",
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          "unit": "MHz",
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          "typ": null,
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          "source": "datasheet"
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        },
        {
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        },
        {
          "name": "Emitter-base voltage",
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          "typ": null,
          "max": -6,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Collector current, continuous",
          "symbol": "IC",
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          "unit": "A",
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          "typ": null,
          "max": -2,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Collector power dissipation",
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          "unit": "mW",
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        },
        {
          "name": "Junction temperature",
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          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "2SA1585 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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}