LS0505EVD22

{
  "schema_version": 1,
  "type": "component",
  "slug": "ls0505evd22",
  "title": "LS0505EVD22",
  "brief": "Littelfuse Surge Protection Devices (SPDs), DFN-8(2x2). 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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    "circuit protection",
    "ls0505evd22",
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  "component": {
    "mpn": "LS0505EVD22",
    "manufacturer": "Littelfuse",
    "package": "DFN-8(2x2)",
    "pin_count": 8,
    "category": "Circuit Protection",
    "subcategory": "Surge Protection Devices (SPDs)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603187043950882816",
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      "lbr": "ls0505evd22.lbr"
    },
    "distributor_links": {
      "lcsc": "C6217706",
      "mouser": "576-LS0505EVD22"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T08:15:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
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        "pn": "576-LS0505EVD22",
        "status": "found"
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    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input pin; the valid input range is 2.7 V to 28 V, with an absolute maximum of -0.3 to +30 V referenced to GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; it must be tied to the PCB ground plane at the IC terminal."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable pin; pull it above the 1.2 V EN logic-high threshold to enable the IC and below the 0.4 V EN logic-low threshold to disable it."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "7",
        "name": "ILIM",
        "type": "passive",
        "description": "Current-limit programming pin; connect a resistor to ground to set the limit (ILIM = 750 A·kΩ / RLIM, so 500 kΩ gives 1.5 A typ), and this pin must not be shorted to ground."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Output pin; during an over-voltage event OUT is discharged to GND through an internal 80 Ω resistor."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "at": "2026-10-19T08:13:13"
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        "sha256": "d459e5a357876edc",
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        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "DFN-8(2x2)",
      "Category": "Circuit Protection",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "■ The GND terminal must be tied to the PCB ground plane at the terminal of the IC. The PCB ground should be a copper plane or island on",
        "page": 5,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
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    "characteristics": {
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          "min": 2.7,
          "typ": null,
          "max": 28,
          "conditions": "",
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        },
        {
          "name": "Quiescent current",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 200,
          "max": 260,
          "conditions": "",
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        {
          "name": "Shutdown current",
          "symbol": "ISD",
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          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "VEN=0V",
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        {
          "name": "Current limit (programmed)",
          "symbol": "ILIMT",
          "kind": "electrical",
          "unit": "A",
          "min": 1.35,
          "typ": 1.5,
          "max": 1.65,
          "conditions": "RLIM=500 kΩ",
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        },
        {
          "name": "Current limit setting factor",
          "symbol": "KLIM",
          "kind": "electrical",
          "unit": "A*kΩ",
          "min": 675,
          "typ": 750,
          "max": 825,
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        {
          "name": "Input voltage range (recommended)",
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        {
          "name": "Junction temperature range (recommended)",
          "symbol": "",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
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        },
        {
          "name": "Voltage on IN, OUT, EN (reference to GND)",
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        {
          "name": "Voltage on ILIM (reference to GND)",
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        {
          "name": "ESD, Human Body Model (HBM)",
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          "unit": "V",
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        {
          "name": "Junction temperature range",
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          "unit": "°C",
          "min": -40,
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          "max": 150,
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        {
          "name": "Storage temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Lead temperature (soldering)",
          "symbol": "",
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          "unit": "°C",
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          "typ": null,
          "max": 260,
          "conditions": "Soldering 10 s",
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        {
          "name": "Input under-voltage threshold",
          "symbol": "VUV",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.48,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Input under-voltage hysteresis",
          "symbol": "VUVHYS",
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          "unit": "mV",
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          "typ": 180,
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        {
          "name": "Input over-voltage threshold",
          "symbol": "VOV",
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          "typ": 6.2,
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        {
          "name": "Over-voltage protection response time",
          "symbol": "VOV",
          "kind": "timing",
          "unit": "nS",
          "min": null,
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          "max": null,
          "conditions": "",
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        {
          "name": "Input over-voltage hysteresis",
          "symbol": "VOV",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 330,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Soft-start slew rate time",
          "symbol": "TSS",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 230,
          "max": null,
          "conditions": "",
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          "name": "Current limit (ILIM pin float)",
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          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "ILIM pin float",
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        {
          "name": "OUT discharging resistance",
          "symbol": "RDisch",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VIN=6.5 V",
          "source_page": 2,
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        },
        {
          "name": "EN logic high input voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "EN logic low input voltage",
          "symbol": "VIL_EN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "THYS",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Maximum power dissipation",
          "symbol": "",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": 1.52,
          "max": null,
          "conditions": "TA=25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 82,
          "max": null,
          "conditions": "JESD51-7, 4-layer PCB",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 52,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "On-resistance (feature bullet, not a table value)",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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