component
CH443NTB
Public Made by Adomby adom
COSEMITECH Hall Switches, TO-92S. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557
{
"schema_version": 1,
"type": "component",
"slug": "ch443ntb",
"title": "CH443NTB",
"brief": "COSEMITECH Hall Switches, TO-92S. 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",
"ch443ntb",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CH443NTB",
"manufacturer": "COSEMITECH",
"package": "TO-92S",
"pin_count": 3,
"category": "Magnetic Sensors",
"subcategory": "Hall Switches",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944090691592192",
"parts": {
"symbol": "ch443ntb.kicad_sym",
"footprint": "ch443ntb.kicad_mod",
"model_3d": "ch443ntb-hero.glb",
"model_3d_plain": "ch443ntb-etched.glb",
"model_3d_step": "ch443ntb-etched.step",
"model_3d_step_plain": "ch443ntb.step",
"lbr": "ch443ntb.lbr"
},
"distributor_links": {
"lcsc": "C2879976"
},
"distributor_check": {
"checked_at": "2026-10-18T11:20:42Z",
"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": "Supply voltage pin; the device operates from 2.5 V to 22 V, with an absolute maximum supply voltage of 24 V and a reverse voltage limit of -22 V."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin; the device is protected when VCC and GND are reversed, up to -22 V."
},
{
"number": "3",
"name": "OUT",
"type": "output",
"description": "Open-collector (open-drain NMOS) output that is short-circuit protected, with an absolute maximum output current of 25 mA and an output voltage range of -0.3 V to 24 V."
}
],
"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 pin table on page 5 lists three package columns (SOT-23-3L, TO-92S, SOT-89-3L) and the text is e; Output current rating is inconsistent in the datasheet: absolute maximum IOUT is 25 mA (section 3), ; The datasheet is marked Preliminary Datasheet 2.1 (advance information). Ratings and the package pin"
],
"pages_sent": 15,
"cost_usd": 0.0541,
"at": "2026-10-18T11:18:37"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944090691592192",
"pages": 15,
"sha256": "bb180a03995d8124",
"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": "ch443ntb.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
4.83,
3.745,
9.8
],
"zmin_mm": -2.5,
"centre_offset_mm": 0.542,
"footprint_binding": "identity",
"sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ch443ntb-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
4.83,
3.745,
9.8
],
"zmin_mm": -2.5,
"centre_offset_mm": 0.542,
"footprint_binding": "identity",
"sha256": "79f025d7be0c0f49581aca5fd8f88c5c618415a5d18aa09b8214615382dea4ed",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "COSEMITECH",
"Package": "TO-92S",
"Category": "Magnetic Sensors",
"Pins": "3"
},
"appearance": {
"contacts": {
"quote": "and SOT-89. Each package type is lead (Pb) free (suffix, –T), with a 100% matte-tin-plated lead-frame. Cosemitech CHA44X/CH44X",
"page": 1,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "bb180a03995d81240ebe11af3a2d10d46d3f78a888793bbce2223ce5a64caf21"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "bb180a03995d81240ebe11af3a2d10d46d3f78a888793bbce2223ce5a64caf21",
"rows": [
{
"name": "Magnetic operating point (CH443N)",
"symbol": "BOP",
"kind": "electrical",
"unit": "Gauss",
"min": -75,
"typ": -45,
"max": -20,
"conditions": "TA=-40oC to 150oC",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Magnetic release point (CH443N)",
"symbol": "BRP",
"kind": "electrical",
"unit": "Gauss",
"min": 20,
"typ": 45,
"max": 75,
"conditions": "TA=-40oC to 150oC",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Magnetic hysteresis window (CH443N)",
"symbol": "BHYST",
"kind": "electrical",
"unit": "Gauss",
"min": 70,
"typ": 90,
"max": 110,
"conditions": "|BOP-BRP| TA=-40oC to 150oC",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Magnetic offset (CH443N)",
"symbol": "Bo",
"kind": "electrical",
"unit": "Gauss",
"min": -20,
"typ": 0,
"max": 20,
"conditions": "BO = (BOP + BRP) / 2 TA=-40oC to 150oC",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VCC",
"kind": "electrical",
"unit": "V",
"min": 2.5,
"typ": null,
"max": 22,
"conditions": "-40 °C to 150 °C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Lowest supply voltage",
"symbol": "VCCL",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "-40 °C to 150 °C",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.6,
"max": 3,
"conditions": "VDD = 2.5V to 22V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Power-on time",
"symbol": "tPO",
"kind": "electrical",
"unit": "μs",
"min": null,
"typ": null,
"max": 30,
"conditions": "TA = 25°C; CLOAD = 10 pF",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Output saturation voltage",
"symbol": "VDSon",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "at 20mA, Gauss >BOP",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Output leakage current",
"symbol": "IOFF",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VOUT = 24 V; Switch state = Off",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Output current limit",
"symbol": "IOUT(lim)",
"kind": "electrical",
"unit": "mA",
"min": 30,
"typ": null,
"max": 90,
"conditions": "Short-Circuit Protection",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Output rise time",
"symbol": "TR",
"kind": "electrical",
"unit": "uS",
"min": null,
"typ": 0.2,
"max": 2,
"conditions": "RLOAD = 820 Ω, CLOAD = 10 pF;",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Output fall time",
"symbol": "TF",
"kind": "electrical",
"unit": "uS",
"min": null,
"typ": 0.1,
"max": 2,
"conditions": "RLOAD = 820Ω, CLOAD = 10 pF",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Output delay time",
"symbol": "Td",
"kind": "electrical",
"unit": "μs",
"min": 13,
"typ": null,
"max": 25,
"conditions": "B=Brp-100G to Bop+100G in 1us",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Maximum switching frequency",
"symbol": "FSW",
"kind": "electrical",
"unit": "KHz",
"min": 20,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "T",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Storage temperature (parameter table)",
"symbol": "TS",
"kind": "electrical",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Supply voltage (absolute maximum)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 24,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "VDD reverse voltage",
"symbol": "VRDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -22,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply current (absolute maximum)",
"symbol": "IDD",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output voltage (absolute maximum)",
"symbol": "VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 24,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output current (absolute maximum)",
"symbol": "IOUT",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating ambient temperature (absolute maximum)",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage temperature (absolute maximum)",
"symbol": "TS",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 165,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction temperature (absolute maximum)",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 165,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD HBM all pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -8000,
"typ": null,
"max": 8000,
"conditions": "HBM according to AEC-Q100-002",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD MM all pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -200,
"typ": null,
"max": 200,
"conditions": "MM according to AEC-Q100-003",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD CDM all pins",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -750,
"typ": null,
"max": 750,
"conditions": "CDM according to AEC-Q100-011",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal resistance junction-to-ambient, TO-92S",
"symbol": "RTH",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 203,
"max": null,
"conditions": "",
"source_page": 7,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ch443ntb"
],
"discovery_pitch": "CH443NTB (COSEMITECH) 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",
"ch443ntb.kicad_sym",
"ch443ntb.kicad_mod",
"ch443ntb.glb",
"ch443ntb.step",
"ch443ntb.lbr",
"docs/hero.png",
"docs/ch443ntb-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ch443ntb-hero.glb",
"ch443ntb-hero.overlay.json",
"ch443ntb-etched.glb"
],
"visibility": {
"public": true
}
}