HT331VRTZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht331vrtz",
  "title": "HT331VRTZ",
  "brief": "HTCSEMI Comparators, 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",
    "ht331vrtz"
  ],
  "component": {
    "mpn": "HT331VRTZ",
    "manufacturer": "HTCSEMI",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Op-amp/Cmp",
    "subcategory": "Comparators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2401241001_HTCSEMI-HT331VRTZ_C2834469.pdf",
    "parts": {
      "symbol": "ht331vrtz.kicad_sym",
      "footprint": "ht331vrtz.kicad_mod",
      "model_3d": "ht331vrtz-etched.glb",
      "model_3d_plain": "ht331vrtz.glb",
      "model_3d_step": "ht331vrtz-etched.step",
      "model_3d_step_plain": "ht331vrtz.step",
      "lbr": "ht331vrtz.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting comparator input. Common-mode range GND+0.2 V to VCC-0.2 V. Input offset +/-5 mV max, internal hysteresis ~5 mV typ, input resistance >100 GOhm."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply reference for the comparator."
      },
      {
        "number": "3",
        "name": "-IN",
        "type": "input",
        "description": "Inverting comparator input. Common-mode range GND+0.2 V to VCC-0.2 V. Datasheet pin-description table mislabels this as '+VIN inverting input'; the pin-configuration diagram (SOT23-5 top view) clearly shows pin 3 as -IN."
      },
      {
        "number": "4",
        "name": "OUTPUT",
        "type": "output",
        "description": "Comparator digital output, rail-to-rail CMOS/TTL-compatible Class-AB push-pull. VOH >= VCC-0.3 V, VOL <= GND+0.3 V. Short-circuit current to VDD ~25 mA. Rise ~35 ns, fall ~28 ns, propagation delay ~140 ns at 100 mV overdrive."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. Operating range 2.7-5.5 V (absolute max 5.5 V). Quiescent current ~200 uA. PSRR ~63 dB."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2401241001_HTCSEMI-HT331VRTZ_C2834469.pdf",
        "pages": 7,
        "sha256": "a9fab51f2b1754c2",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "ht331vrtz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht331vrtz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d6895156aa7ab537ff97e840809ffd67e5a09ebcd3d950e72c15c5afd5a12d1b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SOT-23-5",
      "Category": "Op-amp/Cmp",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ht331vrtz"
  ],
  "discovery_pitch": "HT331VRTZ (HTCSEMI) 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",
    "ht331vrtz.kicad_sym",
    "ht331vrtz.kicad_mod",
    "ht331vrtz.glb",
    "ht331vrtz.step",
    "ht331vrtz-etched.step",
    "ht331vrtz.lbr",
    "docs/hero.png",
    "docs/ht331vrtz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "HT331VRTZ",
      "kind": "packaging"
    },
    {
      "mpn": "HT331VRTZRMZ",
      "kind": "packaging"
    },
    {
      "mpn": "HT331VRTZRZ",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:02:12.161Z"
}