INA139NA

{
  "schema_version": 1,
  "type": "component",
  "slug": "ina139na",
  "title": "INA139NA",
  "brief": "Texas Instruments Current-Sensing Amplifiers, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "ina139na"
  ],
  "component": {
    "mpn": "INA139NA",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Current-Sensing Amplifiers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ina139.pdf",
    "parts": {
      "symbol": "ina139na.kicad_sym",
      "footprint": "ina139na.kicad_mod",
      "model_3d": "ina139na-etched.glb",
      "model_3d_plain": "ina139na.glb",
      "model_3d_step": "ina139na-etched.step",
      "model_3d_step_plain": "ina139na.step",
      "lbr": "ina139na.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Output current. Sources a current proportional to the differential input voltage (V_IN+ - V_IN-); an external load resistor R_L converts this to an output voltage V_O = I_S * R_S * R_L / 1 kOhm. Absolute maximum voltage on this pin is 40 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference."
      },
      {
        "number": "3",
        "name": "VIN+",
        "type": "input",
        "description": "Positive differential input; connect to the more-positive (supply) side of the external current shunt resistor R_S. Common-mode voltage range is 2.7 V to 40 V (INA139), independent of V+."
      },
      {
        "number": "4",
        "name": "VIN-",
        "type": "input",
        "description": "Negative differential input; connect to the load side of the external current shunt resistor R_S. Differential input (V_IN+ - V_IN-) absolute maximum range is -40 V to +2 V."
      },
      {
        "number": "5",
        "name": "V+",
        "type": "power_in",
        "description": "Power-supply voltage input. Recommended operating range 2.7 V to 40 V (INA139); absolute maximum 60 V. Quiescent current is typically 60 uA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ina139.pdf",
        "pages": 28,
        "sha256": "dbb74b6cdc543135",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ina139na"
  ],
  "discovery_pitch": "INA139NA (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ina139na.kicad_sym",
    "ina139na.kicad_mod",
    "ina139na.glb",
    "ina139na.step",
    "ina139na-etched.step",
    "ina139na.lbr",
    "docs/hero.png",
    "docs/ina139na-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "INA139NA",
      "kind": "packaging"
    },
    {
      "mpn": "INA139NAIDBVR",
      "kind": "packaging"
    },
    {
      "mpn": "INA139NAIDBVT",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:32:26.138Z"
}