UDN2987LWTR-6-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "udn2987lwtr-6-t",
  "title": "UDN2987LWTR-6-T",
  "brief": "Allegro MicroSystems LLC Darlington Transistor Arrays, SOIC-20-300mil. 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",
    "triode-mos tube-transistor",
    "udn2987lwtr-6-t",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "UDN2987LWTR-6-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "Darlington Transistor Arrays",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907881039073280",
    "parts": {
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      "model_3d_step_plain": "udn2987lwtr-6-t.step",
      "lbr": "udn2987lwtr-6-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C545189",
      "digikey": "620-1315-2-ND",
      "mouser": "250-UDN2987LWTR-6-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:29:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "620-1315-2-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
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      "mouser": {
        "pn": "250-UDN2987LWTR-6-T",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1",
        "type": "input",
        "description": "Logic input 1 controls OUT1, with the output switched on by an active-high input; VIN(ON) min 2.4 V, VIN(OFF) max 0.4 V, and input voltage rating -0.3 to 14 V."
      },
      {
        "number": "2",
        "name": "IN2",
        "type": "input",
        "description": "Logic input 2 controls OUT2, with the output switched on by an active-high input; VIN(ON) min 2.4 V, VIN(OFF) max 0.4 V, and input voltage rating -0.3 to 14 V."
      },
      {
        "number": "3",
        "name": "IN3",
        "type": "input",
        "description": "Logic input 3 controls OUT3, with the output switched on by an active-high input; VIN(ON) min 2.4 V, VIN(OFF) max 0.4 V, and input voltage rating -0.3 to 14 V."
      },
      {
        "number": "4",
        "name": "IN4",
        "type": "input",
        "description": "Logic input 4 controls OUT4, with the output switched on by an active-high input; VIN(ON) min 2.4 V, VIN(OFF) max 0.4 V, and input voltage rating -0.3 to 14 V."
      },
      {
        "number": "5",
        "name": "IN5",
        "type": "input",
        "description": "Logic input 5 controls OUT5, with the output switched on by an active-high input; VIN(ON) min 2.4 V, VIN(OFF) max 0.4 V, and input voltage rating -0.3 to 14 V."
      },
      {
        "number": "6",
        "name": "IN6",
        "type": "input",
        "description": "Logic input 6 controls OUT6, with the output switched on by an active-high input; VIN(ON) min 2.4 V, VIN(OFF) max 0.4 V, and input voltage rating -0.3 to 14 V."
      },
      {
        "number": "7",
        "name": "IN7",
        "type": "input",
        "description": "Logic input 7 controls OUT7, with the output switched on by an active-high input; VIN(ON) min 2.4 V, VIN(OFF) max 0.4 V, and input voltage rating -0.3 to 14 V."
      },
      {
        "number": "8",
        "name": "IN8",
        "type": "input",
        "description": "Logic input 8 controls OUT8, with the output switched on by an active-high input; VIN(ON) min 2.4 V, VIN(OFF) max 0.4 V, and input voltage rating -0.3 to 14 V."
      },
      {
        "number": "9",
        "name": "FAULT",
        "type": "output",
        "description": "Common open-collector fault output that is pulled low on any channel overcurrent or chip thermal shutdown, with VCE max 35 V and IC max 30 mA."
      },
      {
        "number": "10",
        "name": "OE/R",
        "type": "input",
        "description": "Logic input for output enable and reset: high enables all outputs, while low (or floating, via internal pull-down) inhibits all outputs and resets the eight latches, requiring a reset pulse of at least 1 µs."
      },
      {
        "number": "11",
        "name": "VS",
        "type": "power_in",
        "description": "Driver supply voltage with a functional range of 4.75 V to 35 V and an absolute maximum of 35 V."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Supply ground for the device."
      },
      {
        "number": "13",
        "name": "OUT8",
        "type": "output",
        "description": "Output 8 to load, sourcing up to 350 mA with 35 V minimum output breakdown and overcurrent shutdown at -370 mA minimum."
      },
      {
        "number": "14",
        "name": "OUT7",
        "type": "output",
        "description": "Output 7 to load, sourcing up to 350 mA with 35 V minimum output breakdown and overcurrent shutdown at -370 mA minimum."
      },
      {
        "number": "15",
        "name": "OUT6",
        "type": "output",
        "description": "Output 6 to load, sourcing up to 350 mA with 35 V minimum output breakdown and overcurrent shutdown at -370 mA minimum."
      },
      {
        "number": "16",
        "name": "OUT5",
        "type": "output",
        "description": "Output 5 to load, sourcing up to 350 mA with 35 V minimum output breakdown and overcurrent shutdown at -370 mA minimum."
      },
      {
        "number": "17",
        "name": "OUT4",
        "type": "output",
        "description": "Output 4 to load, sourcing up to 350 mA with 35 V minimum output breakdown and overcurrent shutdown at -370 mA minimum."
      },
      {
        "number": "18",
        "name": "OUT3",
        "type": "output",
        "description": "Output 3 to load, sourcing up to 350 mA with 35 V minimum output breakdown and overcurrent shutdown at -370 mA minimum."
      },
      {
        "number": "19",
        "name": "OUT2",
        "type": "output",
        "description": "Output 2 to load, sourcing up to 350 mA with 35 V minimum output breakdown and overcurrent shutdown at -370 mA minimum."
      },
      {
        "number": "20",
        "name": "OUT1",
        "type": "output",
        "description": "Output 1 to load, sourcing up to 350 mA with 35 V minimum output breakdown and overcurrent shutdown at -370 mA minimum."
      }
    ],
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        "primary_model": "claude-haiku-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin is printed as OE/R with an overline on the R (OE/R̅) in the terminal list; it is shown here ; FAULT is an open-collector output per the datasheet text; it is classed as output here, and an exter; The package hint says SOIC-20-300mil. The datasheet only states 20-pin SOIC-W / SOICW, wide body (su"
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        "cost_usd": 0.0549,
        "at": "2026-10-19T06:25:54"
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        "sha256": "19e74d2461f620aa",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 20,
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  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems LLC",
      "Package": "SOIC-20-300mil",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "20"
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    "appearance": {
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        "quote": "The UDN2987LW-6 is supplied in a 20-lead small-outline (SOIC-W) plastic package. All packages are lead (Pb) free, with 100% matte￾tin leadframe plating.",
        "page": 2,
        "doc": "ds.pdf",
        "plating": "tin"
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          "max": null,
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          "source_page": 2,
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          "name": "FAULT Output Voltage",
          "symbol": "VCE",
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        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Storage Temperature Range",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "Range N",
          "source_page": 2,
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        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "",
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        {
          "name": "Supply Voltage Functional Range",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.75,
          "typ": null,
          "max": 35,
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        },
        {
          "name": "Output Leakage Current",
          "symbol": "IOUTCEX",
          "kind": "electrical",
          "unit": "μA",
          "min": -200,
          "typ": null,
          "max": null,
          "conditions": "VIN = 0.4 V, all inputs simultaneously",
          "source_page": 4,
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        {
          "name": "Output Sustaining Voltage",
          "symbol": "VOUT(sus)",
          "kind": "electrical",
          "unit": "V",
          "min": 35,
          "typ": null,
          "max": null,
          "conditions": "IOUT = –350 mA, L = 2.0 mH",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Saturation Voltage",
          "symbol": "VOUT(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.6,
          "max": 1.8,
          "conditions": "VIN = 2.4 V, IOUT = –100 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Saturation Voltage",
          "symbol": "VOUT(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.7,
          "max": 1.9,
          "conditions": "VIN = 2.4 V, IOUT = –225 mA",
          "source_page": 4,
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        {
          "name": "Output Saturation Voltage",
          "symbol": "VOUT(SAT)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 2,
          "conditions": "VIN = 2.4 V, IOUT = –350 mA",
          "source_page": 4,
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        {
          "name": "Channel Shut Down Threshold",
          "symbol": "IM",
          "kind": "electrical",
          "unit": "mA",
          "min": -500,
          "typ": null,
          "max": -370,
          "conditions": "VIN = 2.4 V, Vs = 30 V",
          "source_page": 4,
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          "name": "FAULT Leakage Current",
          "symbol": "ICEX",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VCC = 35 V",
          "source_page": 4,
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        {
          "name": "FAULT Saturation Voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 0.8,
          "conditions": "IC = 30 mA",
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          "name": "Input Voltage ON",
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          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
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          "source_page": 4,
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          "name": "Input Voltage OFF",
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          "unit": "V",
          "min": null,
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          "name": "Input Current ON",
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          "min": null,
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          "max": 100,
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        {
          "name": "Input Current ON",
          "symbol": "IIN(ON)",
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          "min": null,
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          "max": 600,
          "conditions": "VIN = 5.0 V (INx, OE/R pins)",
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        {
          "name": "Input Current ON",
          "symbol": "IIN(ON)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "VIN = 12 V (INx, OE/R pins)",
          "source_page": 4,
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        {
          "name": "Input Current OFF",
          "symbol": "IIN(OFF)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VIN = 0.4 V (INx, OE/R pins)",
          "source_page": 4,
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        {
          "name": "Clamp Diode Leakage Current",
          "symbol": "IR",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VR = 35 V, TA = 70°C",
          "source_page": 4,
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        {
          "name": "Clamp Diode Forward Voltage",
          "symbol": "VF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.5,
          "max": 1.8,
          "conditions": "IF = 350 mA",
          "source_page": 4,
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        {
          "name": "Supply Current ON",
          "symbol": "IS(ON)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7,
          "max": 18,
          "conditions": "VIN = 2.4 V, all inputs simultaneously; outputs open",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Supply Current OFF",
          "symbol": "IS(OFF)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 12,
          "conditions": "VIN = 0.4 V, all inputs simultaneously",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reset Pulse Duration",
          "symbol": "tRPD",
          "kind": "timing",
          "unit": "μs",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay Time LOW-to-HIGH",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": 600,
          "conditions": "VS = 35 V, RL = 100 Ω, CLOAD = 30 pF",
          "source_page": 4,
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        },
        {
          "name": "Propagation Delay Time HIGH-to-LOW",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 200,
          "max": 1000,
          "conditions": "VS = 35 V, RL = 100 Ω, CLOAD = 30 pF",
          "source_page": 4,
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        {
          "name": "Package Thermal Resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 48,
          "max": null,
          "conditions": "Package LW, on 4-layer board based on JEDEC standard",
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