main
Ray Set visibility: public a721613 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ch941sr",
  "title": "CH941SR",
  "brief": "COSEMITECH Hall Switches, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-23-3L",
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    "category": "Magnetic Sensors",
    "subcategory": "Hall Switches",
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      "source": "Component Ocean /api/assign-pns",
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        "status": "no match"
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      "mouser": {
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      },
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        "number": "2",
        "name": "OUT",
        "type": "output",
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      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers and names come from the 'Pin Definitions and Descriptions' table on page 3, where the SO; The datasheet is marked 'advanced information' and states details are subject to change without noti; The OUT description merges several electrical limits from the parameter tables (pages 3 and 5) becau"
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        "at": "2026-10-19T03:46:44"
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        "sha256": "baa1219653710720",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "COSEMITECH",
      "Package": "SOT-23-3L",
      "Category": "Magnetic Sensors",
      "Pins": "3"
    },
    "characteristics": {
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          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage",
          "symbol": "VRDD",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": -40,
          "conditions": "",
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        {
          "name": "Supply Current",
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          "name": "Output Current",
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        {
          "name": "Operating Ambient Temperature",
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          "conditions": "",
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          "source_page": 4,
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          "name": "ESD CDM",
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          "typ": null,
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        {
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        {
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        {
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          "conditions": "at 20mA, Gauss >200",
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        {
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          "min": null,
          "typ": null,
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          "conditions": "B<50GS",
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          "source": "datasheet"
        },
        {
          "name": "Output rise time",
          "symbol": "TR",
          "kind": "timing",
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          "typ": null,
          "max": 1.5,
          "conditions": "VDD =12V at 25 °C, CL= 20 pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output fall time",
          "symbol": "TF",
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          "typ": null,
          "max": 1.5,
          "conditions": "VDD =12V at 25 °C, CL= 20 pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Magnetic operating point",
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          "typ": 140,
          "max": 190,
          "conditions": "TA=25°C",
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        {
          "name": "Magnetic release point",
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        {
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          "typ": 30,
          "max": 60,
          "conditions": "TA=25oC, |BOP-BRP|",
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          "source": "datasheet"
        },
        {
          "name": "Maximum Switching Frequency",
          "symbol": "FSW",
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          "unit": "KHz",
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        {
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          "conditions": "",
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          "name": "Storage temperature",
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        },
        {
          "name": "Thermal resistance, CH941S (SOT-23-3L)",
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          "kind": "thermal",
          "unit": "°C /W",
          "min": null,
          "typ": 303,
          "max": null,
          "conditions": "CH941S (SOT-23-3L)",
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          "source": "datasheet"
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  "discovery_pitch": "CH941SR (COSEMITECH) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}