main
Ray Set visibility: public b169eaf 5d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sav-581",
  "title": "SAV-581+",
  "brief": "Mini-Circuits Low Noise Amplifiers (LNA) - RF, SOT-343. 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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    "radio frequency chip-antenna",
    "sav-581+",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SAV-581+",
    "manufacturer": "Mini-Circuits",
    "package": "SOT-343",
    "pin_count": 4,
    "category": "Radio Frequency Chip/Antenna",
    "subcategory": "Low Noise Amplifiers (LNA) - RF",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/332d87fda596fd3816f4af8732122aaf.pdf",
    "parts": {
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      "footprint": "sav-581.kicad_mod",
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      "model_3d_step_plain": "sav-581.step",
      "lbr": "sav-581.lbr"
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    "distributor_links": {
      "lcsc": "C6856341",
      "digikey": "3157-SAV-581+TR-ND",
      "mouser": "139-SAV-581"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T00:13:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "3157-SAV-581+TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "139-SAV-581",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DRAIN",
        "type": "passive",
        "description": "Drain terminal used for the RF output; datasheet maximum drain-source voltage is 5 V and maximum drain current is 100 mA."
      },
      {
        "number": "2",
        "name": "SOURCE",
        "type": "passive",
        "description": "Source terminal, normally connected to ground; datasheet maximum gate-source voltage range is -5 to 0.7 V."
      },
      {
        "number": "3",
        "name": "GATE",
        "type": "input",
        "description": "Gate terminal used for the RF input; datasheet maximum gate current is 2 mA and maximum gate-drain voltage range is -5 to 0.7 V."
      },
      {
        "number": "4",
        "name": "SOURCE",
        "type": "passive",
        "description": "Second source terminal, normally connected to ground, internally common with pin 2 per the datasheet pin description."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 lists pins 2 and 4 together as 'Source 2 & 4' and labels both SOURCE in the diagram; t; The datasheet does not assign KiCad ERC classes. Types are inferred from the stated functions: gate ; The datasheet gives max ratings for the device, not per-pin limits. The voltage and current limits i"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0601,
        "at": "2026-10-29T00:12:58"
      },
      "datasheet": {
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        "pages": 11,
        "sha256": "ddda02f1da199ff3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "sav-581.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dbcfa3329dd36550b3908796150804e43ac1d5715e468cdec9b9e735d14c0212",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sav-581-etched.step",
        "role": "eda",
        "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": "10992c5c3a8051b40a5c21a7ba201709e9d0e71a705fc076f8a4fe1e91705f17",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Mini-Circuits",
      "Package": "SOT-343",
      "Category": "Radio Frequency Chip/Antenna",
      "Pins": "4"
    },
    "appearance": {
      "contacts": {
        "quote": "Plastic molded SOT-343 (SC-70) style package, lead finish: matte tin Tape & Reel",
        "page": 11,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "ddda02f1da199ff319e518420f822c6d2793665de126d5f4a74875650e46f141"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ddda02f1da199ff319e518420f822c6d2793665de126d5f4a74875650e46f141",
      "rows": [
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          "name": "Operational Gate Voltage",
          "symbol": "VGS",
          "kind": "electrical",
          "unit": "V",
          "min": 0.28,
          "typ": 0.39,
          "max": 0.5,
          "conditions": "VDS=3V, IDS=30 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Threshold Voltage",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.18,
          "typ": 0.26,
          "max": 0.38,
          "conditions": "VDS=3V, IDS=4 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Saturated Drain Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "VDS=3V, VGS=0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Transconductance",
          "symbol": "GM",
          "kind": "electrical",
          "unit": "mS",
          "min": 230,
          "typ": 327,
          "max": 560,
          "conditions": "VDS=3V, Gm=ΔIDS/ΔVGS, ΔVGS=0.05V around VGS at IDS=30 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "VGD=VGS=-3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Noise Figure",
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          "unit": "dB",
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          "conditions": "VDS=3V, IDS=30 mA, f=2.0 GHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gain",
          "symbol": "Gain",
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          "unit": "dB",
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          "typ": 17,
          "max": 18.5,
          "conditions": "VDS=3V, IDS=30 mA, f=2.0 GHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output IP3",
          "symbol": "OIP3",
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          "unit": "dBm",
          "min": 27,
          "typ": 30.6,
          "max": null,
          "conditions": "VDS=3V, IDS=30 mA, f=2.0 GHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
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          "max": 5,
          "conditions": "",
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        },
        {
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          "conditions": "",
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        {
          "name": "Gate-Drain Voltage",
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          "unit": "V",
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          "typ": null,
          "max": 0.7,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Drain Current",
          "symbol": "IDS",
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          "min": null,
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          "conditions": "",
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        {
          "name": "Gate Current",
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          "max": 2,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Dissipated Power",
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          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "RF Input Power",
          "symbol": "PIN",
          "kind": "absolute_maximum",
          "unit": "dBm",
          "min": null,
          "typ": null,
          "max": 17,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Channel Temperature",
          "symbol": "TCH",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOP",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTD",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance",
          "symbol": "ΘJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
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          "conditions": "",
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          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sav-581+"
  ],
  "discovery_pitch": "SAV-581+ (Mini-Circuits) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "viewers/footprint.html",
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    "sav-581-hero.overlay.json",
    "sav-581-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}