main
Ray Set visibility: public 608352f 6d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "a1391sehlt-t",
  "title": "A1391SEHLT-T",
  "brief": "Allegro MicroSystems, LLC Magnetic Sensors, DFN-6(2x3). 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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    "sensors",
    "a1391sehlt-t",
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  "component": {
    "mpn": "A1391SEHLT-T",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "DFN-6(2x3)",
    "pin_count": 7,
    "category": "Sensors",
    "subcategory": "Magnetic Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b6a7c0b6084b431497f8b7f808d85c2c.pdf",
    "parts": {
      "symbol": "a1391sehlt-t.kicad_sym",
      "footprint": "a1391sehlt-t.kicad_mod",
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      "model_3d_plain": "a1391sehlt-t-etched.glb",
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      "model_3d_step_plain": "a1391sehlt-t.step",
      "lbr": "a1391sehlt-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C146409",
      "digikey": "620-1031-2-ND",
      "mouser": "250-A1391SEHLT-T"
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    "distributor_check": {
      "checked_at": "2026-10-28T00:32:39Z",
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      "digikey": {
        "pn": "620-1031-2-ND",
        "status": "found",
        "lifecycle": "Active"
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        "pn": "250-A1391SEHLT-T",
        "status": "found"
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    },
    "pins": [
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        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin, specified for 2.5 to 3.5 V operation with a nominal supply of 3.0 V and an absolute maximum of 8 V."
      },
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        "name": "OUT",
        "type": "output",
        "description": "Linear Hall output that is high-impedance during sleep mode and must not be driven more than 0.1 V above VCC."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all supply and voltage ratings, which are referenced to ground."
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      {
        "number": "4",
        "name": "GND",
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        "name": "VREF",
        "type": "power_in",
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        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 16,
        "cost_usd": 0.001,
        "at": "2026-10-28T00:32:21"
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        "pages": 16,
        "sha256": "bb3061cc7b62a316",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "extents_mm": [
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        "sha256": "1f7f1822f98b99f1c2556b391b346ac08caa16fac545504b7ea29bbabb4e2d15",
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  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems, LLC",
      "Package": "DFN-6(2x3)",
      "Category": "Sensors",
      "Pins": "7"
    },
    "appearance": {
      "contacts": {
        "quote": "height microleaded package (MLP/DFN). It is Pb (lead) free, with 100% matte tin leadframe plating.",
        "page": 2,
        "doc": "ds.pdf",
        "plating": "tin"
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    "characteristics": {
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        {
          "name": "Supply Zener Clamp Voltage",
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          "min": 6,
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          "source_page": 3,
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          "kind": "electrical",
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          "typ": 6,
          "max": 12,
          "conditions": "Cbypass = 0.1 μF, BWexternalLPF = 2 kHz",
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          "max": 20,
          "conditions": "Cbypass = 0.1 μF, no load",
          "source_page": 4,
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        {
          "name": "Power-On Time",
          "symbol": "tPON",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 40,
          "max": 60,
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          "source_page": 5,
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          "name": "Ratiometric Supply Reference Voltage",
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          "unit": "ºC/W",
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          "conditions": "4-layer PCB based on JEDEC standard",
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          "source": "datasheet"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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