component
HX49ESO
Public Made by Adomby adom
HUAXIN Hall Switches, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391
{
"schema_version": 1,
"type": "component",
"slug": "hx49eso",
"title": "HX49ESO",
"brief": "HUAXIN Hall Switches, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"magnetic sensors",
"hx49eso",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "HX49ESO",
"manufacturer": "HUAXIN",
"package": "SOT-23",
"pin_count": 3,
"category": "Magnetic Sensors",
"subcategory": "Hall Switches",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604440538401951744",
"parts": {
"symbol": "hx49eso.kicad_sym",
"footprint": "hx49eso.kicad_mod",
"model_3d": "hx49eso-hero.glb",
"model_3d_plain": "hx49eso-etched.glb",
"model_3d_step": "hx49eso-etched.step",
"model_3d_step_plain": "hx49eso.step",
"lbr": "hx49eso.lbr"
},
"distributor_links": {
"lcsc": "C42428250"
},
"distributor_check": {
"checked_at": "2026-10-17T18:51:31Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Power supply input; the datasheet specifies an operating supply of 3.0 V to 5.5 V (absolute maximum VDD is -0.3 V to 25 V)."
},
{
"number": "2",
"name": "Output",
"type": "output",
"description": "Analog output whose voltage is proportional to the applied magnetic field and sits at VDD/2 at B=0; the datasheet limits the output voltage to -0.3 V to 25 V and the output current to 2 mA."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground terminal of the device."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The voltage and current limits quoted for VDD and Output come from the general parameter tables on p; The datasheet gives no pin-specific electrical limit for GND. The description is limited to its stat"
],
"pages_sent": 8,
"cost_usd": 0.0188,
"at": "2026-10-17T18:50:43"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604440538401951744",
"pages": 8,
"sha256": "0800eb968ab158ce",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "hx49eso.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "hx49eso-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7dc68384feba25ff85e133ebb878c20e0952021fa7d5fdfa95bbcaa2e2a60bce",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HUAXIN",
"Package": "SOT-23",
"Category": "Magnetic Sensors",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "0800eb968ab158cefaad40cb79d66074ab296a29f4eaf56610196dec554daa95",
"rows": [
{
"name": "Supply voltage (absolute maximum)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output voltage (absolute maximum)",
"symbol": "VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output current (absolute maximum)",
"symbol": "IOUT",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating temperature (absolute maximum table)",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 105,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TS",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 165,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD rating (静电等级)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 4000,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply voltage (recommended)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 5,
"max": 5.5,
"conditions": "TJ<TJ(Max)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "Icc",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.5,
"max": 6,
"conditions": "VCC=5.0V, TA=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output resistance (load)",
"symbol": "RL",
"kind": "electrical",
"unit": "kΩ",
"min": 4,
"typ": null,
"max": null,
"conditions": "OUT to GND",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output high level (5 V supply)",
"symbol": "VOUT(H)",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": 4.3,
"max": null,
"conditions": "VCC=5V,TA=25℃, B=1000Gs",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output high level (3.3 V supply)",
"symbol": "VOUT(H)",
"kind": "electrical",
"unit": "V",
"min": 2.3,
"typ": 2.6,
"max": null,
"conditions": "VCC=3.3V,TA=25℃, B=1000Gs",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output low level (5 V supply)",
"symbol": "VOUT(L)",
"kind": "electrical",
"unit": "V",
"min": 0.75,
"typ": 0.8,
"max": 0.95,
"conditions": "VCC=5V,TA=25℃, B=-1000Gs",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output low level (3.3 V supply)",
"symbol": "VOUT(L)",
"kind": "electrical",
"unit": "V",
"min": 0.75,
"typ": 0.8,
"max": 0.95,
"conditions": "VCC=3.3V,TA=25℃, B=-1000Gs",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Sensitivity (5 V supply)",
"symbol": "S",
"kind": "electrical",
"unit": "mV/Gs",
"min": 2.3,
"typ": 2.9,
"max": 3.5,
"conditions": "VCC=5V,TA=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Sensitivity (3.3 V supply)",
"symbol": "S",
"kind": "electrical",
"unit": "mV/Gs",
"min": 1.1,
"typ": 1.65,
"max": 2.1,
"conditions": "VCC=3.3V,TA=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Power-on time",
"symbol": "tPO",
"kind": "timing",
"unit": "µS",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"hx49eso"
],
"discovery_pitch": "HX49ESO (HUAXIN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"hx49eso.kicad_sym",
"hx49eso.kicad_mod",
"hx49eso.glb",
"hx49eso.step",
"hx49eso.lbr",
"docs/hero.png",
"docs/hx49eso-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"hx49eso-hero.glb",
"hx49eso-hero.overlay.json",
"hx49eso-etched.glb"
],
"visibility": {
"public": true
}
}