main
Ray Set visibility: public ee3bbfa 3d ago
{
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  "type": "component",
  "slug": "ht18b20atz",
  "title": "HT18B20ATZ",
  "brief": "HTCSEMI Temperature Sensors, TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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      "model_3d_step": "ht18b20atz-etched.step",
      "model_3d_step_plain": "ht18b20atz.step",
      "lbr": "ht18b20atz.lbr"
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    "distributor_links": {
      "lcsc": "C2834477"
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    "distributor_check": {
      "checked_at": "2026-10-18T01:03:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
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    },
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        "name": "GND",
        "type": "power_in",
        "description": "Common pin; all voltages are referenced to this pin."
      },
      {
        "number": "2",
        "name": "DQ",
        "type": "bidirectional",
        "description": "1-Wire data input/output; it must be pulled up to UPU through an external resistor (4.7 kΩ in Figures 12 and 13), and UIL max is 0.8 V at UDD = 5 V."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
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        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN HT18B20ATZ maps to the 'TO92 T SUFFIX' row on page 1. The pinning (Figure 4) and Table 1 cov; The DQ and VDD descriptions combine Table 1 with the electrical limits from Tables 3 and 5 and the c"
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        "pages_sent": 16,
        "cost_usd": 0.0409,
        "at": "2026-10-18T01:01:02"
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        "pages": 16,
        "sha256": "e9d026fd610dd6a5",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
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        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "TO-92",
      "Category": "Sensors",
      "Pins": "3"
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    "characteristics": {
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      "datasheet_sha256": "e9d026fd610dd6a5ce4c1563525bdae0e872289f3c527cbe90cf606bb56239fd",
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          "unit": "°C",
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          "typ": null,
          "max": 125,
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        {
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          "kind": "recommended_operating",
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          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "in supply mode on VDD pin",
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          "source": "datasheet"
        },
        {
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          "typ": null,
          "max": null,
          "conditions": "in supply mode on DQ pin (UDD = 0 V)",
          "source_page": 4,
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        },
        {
          "name": "Cycle time of EEPROM record",
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          "conditions": "at UDD = 5 V",
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        {
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        {
          "name": "Consumption current",
          "symbol": "IDD",
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        {
          "name": "Dynamic consumption current",
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          "conditions": "at UO = 0.4 V",
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        {
          "name": "Temperature measurement error",
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        {
          "name": "Temperature conversion time, 11-bit resolution",
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        },
        {
          "name": "Time interval of 1-Wire communication protocol (time slot)",
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        {
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          "name": "Recovery time",
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        {
          "name": "Reset high level duration",
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        },
        {
          "name": "Reset low level duration",
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        },
        {
          "name": "Presence pulse high level duration",
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "HT18B20ATZ (HTCSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}