main
Ray Set visibility: public f84205a 4d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2903th-13",
  "title": "LM2903TH-13",
  "brief": "Diodes Incorporated Comparators, TSSOP-8. 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",
    "amplifiers-comparators",
    "lm2903th-13",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2903TH-13",
    "manufacturer": "Diodes Incorporated",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://www.diodes.com/assets/Datasheets/LM2903TH-13.pdf",
    "parts": {
      "symbol": "lm2903th-13.kicad_sym",
      "footprint": "lm2903th-13.kicad_mod",
      "model_3d": "lm2903th-13-hero.glb",
      "model_3d_plain": "lm2903th-13-etched.glb",
      "model_3d_step": "lm2903th-13-etched.step",
      "model_3d_step_plain": "lm2903th-13.step",
      "lbr": "lm2903th-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C6218036",
      "digikey": "LM2903TH-13DITR-ND",
      "mouser": "621-LM2903TH-13"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:01:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2903TH-13DITR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-LM2903TH-13",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Channel 1 open-collector output (grounded-emitter NPN), can sink approximately 16mA and be pulled up to any supply within the permitted range up to 36V."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Channel 1 inverting input; input voltage range -0.3V to +36V."
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      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Channel 1 non-inverting input; input voltage range -0.3V to +36V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; unused comparator inputs should be tied to the negative supply."
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      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Channel 2 non-inverting input; input voltage range -0.3V to +36V."
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      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Channel 2 inverting input; input voltage range -0.3V to +36V."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Channel 2 open-collector output (grounded-emitter NPN), can sink approximately 16mA and be pulled up to any supply within the permitted range up to 36V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply voltage, 2V to 36V single supply (absolute maximum 36V)."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 18,
        "cost_usd": 0.1224,
        "at": "2026-10-23T12:01:22"
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      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/LM2903TH-13.pdf",
        "pages": 18,
        "sha256": "f35cbe124936ddf3",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "up": "Z",
        "units": "mm",
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        "sha256": "cf28a51742b2e31065e201d1b313207140cbfb49062efd938788f7a310d02738",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
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      "Package": "TSSOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
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          "max": 36,
          "conditions": "TA = +25°C",
          "source_page": 3,
          "source": "datasheet"
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          "conditions": "TA = +25°C",
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          "min": -0.3,
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          "conditions": "TA = +25°C",
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          "conditions": "VIN < -0.3V",
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          "source": "datasheet"
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          "conditions": "TA = +25°C",
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          "conditions": "TA = +25°C",
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        {
          "name": "Package Thermal Impedance Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
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          "conditions": "TSSOP-8 (Note 6)",
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          "name": "Package Thermal Impedance Junction-to-Case",
          "symbol": "θJC",
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          "conditions": "TSSOP-8 (Note 6)",
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          "min": -40,
          "typ": null,
          "max": 125,
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        {
          "name": "Operating Junction Temperature",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Storage Temperature Range",
          "symbol": "TST",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10 seconds)",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Human Body Mode ESD Protection",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Human body model, 1.5kΩ in series with 100pF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Machine Mode ESD Protection",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 7,
          "conditions": "Non-A Device, TA = +25°C, VIC = VCMR Min, VO = 1.4V, VCC = 5V to 30V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage (full range)",
          "symbol": "VIO",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "Non-A Device, Full Range, VIC = VCMR Min, VO = 1.4V, VCC = 5V to 30V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 25,
          "max": 250,
          "conditions": "IIN+ or IIN− with OUT in Linear Range, VCM = 0V, TA = +25°C",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Input Bias Current (full range)",
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          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "IIN+ or IIN− with OUT in Linear Range, VCM = 0V, Full Range",
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        {
          "name": "Input Offset Current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 5,
          "max": 50,
          "conditions": "IIN+ - IIN−, VCM = 0V, TA = +25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current (full range)",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "IIN+ - IIN−, VCM = 0V, Full Range",
          "source_page": 5,
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        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.7,
          "max": 1.7,
          "conditions": "RL = ∞ on Both Channels, VCC = 30V, TA = +25°C",
          "source_page": 5,
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          "name": "Supply Current (full range)",
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          "typ": null,
          "max": 3,
          "conditions": "RL = ∞ on Both Channels, VCC = 30V, Full Range",
          "source_page": 5,
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        {
          "name": "Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
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          "min": null,
          "typ": 0.6,
          "max": 1,
          "conditions": "RL = ∞ on Both Channels, VCC = 5V, TA = +25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (full range)",
          "symbol": "ICC",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "RL = ∞ on Both Channels, VCC = 5V, Full Range",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Voltage Gain",
          "symbol": "AV",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 50,
          "typ": 200,
          "max": null,
          "conditions": "VCC = 15V, VOUT = 1V to 11V, RL ≥ 15kΩ, TA = +25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Large Signal Response Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "VIN = TTL Logic Swing, VREF = 1.4V, VRL = 5V, RL = 5.1kΩ, TA = +25°C",
          "source_page": 5,
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        },
        {
          "name": "Response Time",
          "symbol": "",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 1.3,
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          "conditions": "VRL = 5V, RL = 5.1kΩ (Note 13), TA = +25°C",
          "source_page": 5,
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        {
          "name": "Output Sink Current",
          "symbol": "IO(SINK)",
          "kind": "electrical",
          "unit": "mA",
          "min": 6,
          "typ": 16,
          "max": null,
          "conditions": "VIN− = 1V, VIN+ = 0, VO ≤ 1.5V, TA = +25°C",
          "source_page": 5,
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          "name": "Saturation Voltage",
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          "conditions": "VIN− = 1V, VIN+ = 0, ISINK ≤ 4mA, TA = +25°C",
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          "name": "Saturation Voltage (full range)",
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          "conditions": "VIN− = 1V, VIN+ = 0, ISINK ≤ 4mA, Full Range",
          "source_page": 5,
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          "name": "Output Leakage Current",
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          "kind": "electrical",
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          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VIN− = 0V, VIN+ = 1, VO = 5V, TA = +25°C",
          "source_page": 5,
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          "name": "Output Leakage Current (full range)",
          "symbol": "IO(LEAK)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VIN− = 0V, VIN+ = 1, VO = 30V, Full Range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Differential Input Voltage",
          "symbol": "VID",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "All VIN ≥0V (or V- if used) (Note 14), Full Range",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "breadcrumbs",
    "info"
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  "discovery_triggers": [
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  "discovery_pitch": "LM2903TH-13 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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