main
Ray Set visibility: public 9a3fdea 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "s8050-ms",
  "title": "S8050-MS",
  "brief": "MSKSEMI Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "package": "SOT-23",
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    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
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      "footprint": "s8050-ms.kicad_mod",
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      "model_3d_step_plain": "s8050-ms.step",
      "lbr": "s8050-ms.lbr"
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    "distributor_check": {
      "checked_at": "2026-10-17T23:37:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
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        "name": "BASE",
        "type": "input",
        "description": "Base terminal of the NPN transistor; the datasheet's maximum ratings give VEBO 5 V and the base-emitter saturation voltage VBE(sat) of 1.2 V at IC=500 mA, IB=50 mA."
      },
      {
        "number": "2",
        "name": "EMITTER",
        "type": "passive",
        "description": "Emitter terminal of the NPN transistor; the datasheet's maximum ratings give VEBO 5 V and IC continuous 0.5 A."
      },
      {
        "number": "3",
        "name": "COLLECTOR",
        "type": "passive",
        "description": "Collector terminal of the NPN transistor; the datasheet's maximum ratings give VCBO 40 V, VCEO 25 V and IC continuous 0.5 A."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers and names come from the text listing '1. BASE 2. EMITTER 3. COLLECTOR' on page 2 under t; The datasheet gives no pin-specific electrical limits. The pin descriptions cite the device-level ma; The datasheet covers only one package (SOT-23, 3000 pcs per reel), so the requested package variant "
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        "cost_usd": 0.0288,
        "at": "2026-10-17T23:35:09"
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        "pages": 5,
        "sha256": "5f4b167970e0dce8",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5f4b167970e0dce8c35e1eae0312ec16d89996133198f649088bf658ea42bfb3",
      "rows": [
        {
          "name": "Collector-base breakdown voltage",
          "symbol": "V(BR)CBO",
          "kind": "electrical",
          "unit": "V",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "IC= 100μA, IE=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter breakdown voltage",
          "symbol": "V(BR)CEO",
          "kind": "electrical",
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          "min": 25,
          "typ": null,
          "max": null,
          "conditions": "IC=1mA, IB=0",
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          "source": "datasheet"
        },
        {
          "name": "Emitter-base breakdown voltage",
          "symbol": "V(BR)EBO",
          "kind": "electrical",
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          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "IE=100μA, IC=0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCB=40 V, IE=0",
          "source_page": 2,
          "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",
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        {
          "name": "DC current gain hFE(1)",
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          "conditions": "VCE=1V, IC=50mA",
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        {
          "name": "Collector-emitter voltage (absolute maximum)",
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          "typ": null,
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          "conditions": "",
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          "name": "Collector-base voltage (absolute maximum)",
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          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Collector dissipation (absolute maximum)",
          "symbol": "PC",
          "kind": "absolute_maximum",
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          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Junction temperature (absolute maximum)",
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          "kind": "absolute_maximum",
          "unit": "℃",
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          "max": 150,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Storage temperature (absolute maximum)",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "R。JA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
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          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "S8050-MS (MSKSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}