main
Ray Set visibility: public b42c494 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "fmmt495ta",
  "title": "FMMT495TA",
  "brief": "Diodes Incorporated 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": [
    "component",
    "transistors-thyristors",
    "fmmt495ta",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "FMMT495TA",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588880656000147456",
    "parts": {
      "symbol": "fmmt495ta.kicad_sym",
      "footprint": "fmmt495ta.kicad_mod",
      "model_3d": "fmmt495ta-hero.glb",
      "model_3d_plain": "fmmt495ta-etched.glb",
      "model_3d_step": "fmmt495ta-etched.step",
      "model_3d_step_plain": "fmmt495ta.step",
      "lbr": "fmmt495ta.lbr"
    },
    "distributor_links": {
      "lcsc": "C47296",
      "digikey": "FMMT495TR-ND",
      "mouser": "522-FMMT495TA"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:37:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "FMMT495TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "522-FMMT495TA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base; drive terminal of the NPN transistor, with VEBO limited to 7 V and base current IB up to 200 mA."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter; NPN emitter terminal, with emitter-base breakdown voltage BVEBO of 7 V minimum."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector; single lead on one side of the package, with VCEO 150 V, VCBO 170 V, IC 1 A continuous and ICM 2 A peak."
      }
    ],
    "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: The datasheet pin-out drawing labels the leads only by letter (C, E, B) and prints no pin numbers. N",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1352,
        "at": "2026-10-18T00:32:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588880656000147456",
        "pages": 7,
        "sha256": "8e4c7c76035f56b5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fmmt495ta.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "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)"
      },
      {
        "file": "fmmt495ta-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1e10b6dddf27fd856c2ec295306776d57e728030651468d843eacaf9cafc7dbe",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": " Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "8e4c7c76035f56b5daec2118cf511c29947c5f299b46dfffdc1e0f720f58be48"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8e4c7c76035f56b5daec2118cf511c29947c5f299b46dfffdc1e0f720f58be48",
      "rows": [
        {
          "name": "Collector-Emitter Breakdown Voltage (Note 9)",
          "symbol": "BVCEO",
          "kind": "electrical",
          "unit": "V",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "IC = 10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Breakdown Voltage",
          "symbol": "BVCBO",
          "kind": "electrical",
          "unit": "V",
          "min": 170,
          "typ": null,
          "max": null,
          "conditions": "IC = 100µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Breakdown Voltage",
          "symbol": "BVEBO",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "IE = 100µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector Cutoff Current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCB = 150V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Emitter Cutoff Current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VEB = 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector Emitter Cutoff Current",
          "symbol": "ICES",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCE = 150V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio (Note 9)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "IC = 1mA, VCE = 10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio (Note 9)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 100,
          "typ": null,
          "max": 300,
          "conditions": "IC = 250mA, VCE = 10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio (Note 9)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "IC = 500mA, VCE = 10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static Forward Current Transfer Ratio (Note 9)",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "IC = 1A, VCE = 10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage (Note 9)",
          "symbol": "VCE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "IC = 250mA, IB = 25mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Saturation Voltage (Note 9)",
          "symbol": "VCE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IC = 500mA, IB = 50mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Turn-On Voltage (Note 9)",
          "symbol": "VBE(ON)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IC = 500mA, VCE = 10V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Base-Emitter Saturation Voltage (Note 9)",
          "symbol": "VBE(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IC = 500mA, IB = 50mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "COBO",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCB = 10V, f = 1MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Transition Frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VCE = 10V, IC = 50mA, f = 100MHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Collector-Base Voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 170,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Collector-Emitter Voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Emitter-Base Voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Collector Current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Peak Pulse Current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Base Current",
          "symbol": "IB",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation (Note 6)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Note 6: 15mm × 15mm FR4 PCB, 1 oz Cu, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Ambient (Note 6)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Note 6: 15mm × 15mm FR4 PCB, 1 oz Cu, still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction to Lead (Note 7)",
          "symbol": "RθJL",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 197,
          "conditions": "Note 7: junction to solder point (end of collector lead)",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "fmmt495ta"
  ],
  "discovery_pitch": "FMMT495TA (Diodes Incorporated) 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",
    "fmmt495ta.kicad_sym",
    "fmmt495ta.kicad_mod",
    "fmmt495ta.glb",
    "fmmt495ta.step",
    "fmmt495ta.lbr",
    "docs/hero.png",
    "docs/fmmt495ta-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fmmt495ta-hero.glb",
    "fmmt495ta-hero.overlay.json",
    "fmmt495ta-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}