main
Ray Set visibility: public 96f6831 5h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "tl391bqdbvrq1",
  "title": "TL391BQDBVRQ1",
  "brief": "Texas Instruments Comparators, SOT-23-5. 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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  "component": {
    "mpn": "TL391BQDBVRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl391b-q1",
    "parts": {
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      "checked_at": "2026-10-22T22:17:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Open collector/drain output that sinks current when IN- is higher than IN+ plus offset, and can be tied to other open-collector outputs for wired-AND; output voltage is rated up to 38V maximum."
      },
      {
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        "description": "Ground; input common-mode range includes ground."
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        "name": "IN–",
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        "description": "Negative (inverting) input; differential input voltage range is ±36V and input voltage range is -0.3V to 38V absolute maximum."
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      {
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        "name": "VCC",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers use the TL391B-Q1 column of Table 4-1 (OUT=1, GND=2, IN–=3, IN+=4, VCC=5), which is the ; The datasheet text lists ±36V differential input range in the features and ±38V in the absolute maxi"
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        "cost_usd": 0.0932,
        "at": "2026-10-22T22:17:15"
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        "pages": 28,
        "sha256": "8501191d4b685685",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Amplifiers/Comparators",
      "Pins": "5"
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        {
          "name": "Large signal differential voltage amplification",
          "symbol": "AVD",
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          "min": 50,
          "typ": 200,
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          "conditions": "VS = 15V, VO = 1.4V to 11.4V; RL ≥ 15k to (V+)",
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          "name": "Low level output voltage",
          "symbol": "VOL",
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          "min": null,
          "typ": 110,
          "max": 400,
          "conditions": "ISINK ≤ 4mA, VID = -1V",
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          "source": "datasheet"
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        {
          "name": "Low level output voltage over temperature",
          "symbol": "VOL",
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          "max": 550,
          "conditions": "ISINK ≤ 4mA, VID = -1V, TA = –40°C to +125°C",
          "source_page": 6,
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        {
          "name": "High-level output leakage current",
          "symbol": "IOH-LKG",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.1,
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          "conditions": "(V+) = VO = 5V; VID = 1V",
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        {
          "name": "High-level output leakage current over temperature",
          "symbol": "IOH-LKG",
          "kind": "electrical",
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          "conditions": "(V+) = VO = 36V; VID = 1V; TA = –40°C to +125°C",
          "source_page": 6,
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        {
          "name": "Low level output current",
          "symbol": "IOL",
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          "min": 6,
          "typ": 18,
          "max": null,
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          "source_page": 6,
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          "name": "Quiescent current",
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          "conditions": "VS = 5V, no load",
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          "name": "Quiescent current over temperature",
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          "name": "Propagation delay time, high-to-low, small scale input",
          "symbol": "tresponse",
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          "typ": 1000,
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          "conditions": "Input overdrive = 5mV, Input step = 100mV",
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          "name": "Propagation delay time, high-to-low, TTL input",
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          "min": null,
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          "conditions": "TTL input with Vref = 1.4V",
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          "name": "Supply voltage (abs max)",
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          "name": "Differential input voltage (abs max)",
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          "name": "Input voltage range, either input (abs max)",
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          "name": "Input current (abs max)",
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          "source_page": 4,
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          "name": "Operating virtual junction temperature (abs max)",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
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          "name": "Storage temperature",
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          "kind": "absolute_maximum",
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          "min": -65,
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          "name": "ESD HBM",
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          "conditions": "Human-body model (HBM), per AEC Q100-002",
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          "name": "Junction-to-board thermal resistance",
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          "name": "Junction-to-top characterization parameter",
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    "name": "Ray",
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