{
 "made_in": "unknown",
 "hts": "unknown",
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": ""
 },
 "equivalents": [
  "mo-stepperonline-17hs19-2004s1",
  "mo-trinamic-qsh4218-41-10-035"
 ],
 "pairs_with": [],
 "maglev": {
  "custom": "Shenzhen stepper makers in Maglev's directory: Stonker Motor and Wanzhida (stepper motors), Zhongling (integrated step motors). None benchmarked against this part.",
  "directory_ref": null
 },
 "lead_time": "unknown",
 "id": "mo-nanotec-st4118l1804-a",
 "name": "ST4118 NEMA 17 Stepper 0.50 N·m 1.8 A (ST4118L1804-A)",
 "subcategory": "steppers",
 "brand": "Nanotec",
 "mpn": "ST4118L1804-A",
 "summary": "German-brand NEMA 17 hybrid stepper with free STEP model and published torque curves; solid choice where documentation matters.",
 "maker": {
  "name": "Nanotec Electronic",
  "country": "DE",
  "role": "brand"
 },
 "specs": {
  "frame_size": {
   "label": "Frame size",
   "value": "NEMA 17",
   "num": 42,
   "unit": "mm"
  },
  "holding_torque_nm": {
   "label": "Holding torque",
   "value": "50 N·cm",
   "num": 0.5,
   "unit": "N·m"
  },
  "rated_current_a": {
   "label": "Rated current",
   "value": "1.8 A/winding",
   "num": 1.8,
   "unit": "A"
  },
  "step_angle_deg": {
   "label": "Step angle",
   "value": "1.8°/step",
   "num": 1.8,
   "unit": "deg"
  },
  "length_mm": {
   "label": "Length A",
   "value": "48.5 mm",
   "num": 48.5,
   "unit": "mm"
  },
  "integrated_driver": {
   "label": "Integrated driver",
   "value": "No",
   "num": null,
   "unit": ""
  },
  "resistance_ohm": {
   "label": "Phase resistance",
   "value": "1.75 Ω",
   "num": 1.75,
   "unit": "Ω"
  },
  "inductance_mh": {
   "label": "Phase inductance",
   "value": "3.3 mH",
   "num": 3.3,
   "unit": "mH"
  },
  "rotor_inertia_gcm2": {
   "label": "Rotor inertia",
   "value": "82 g·cm²",
   "num": 82,
   "unit": "g·cm²"
  }
 },
 "price": [
  {
   "qty": 1,
   "usd": 54.3,
   "kind": "list",
   "source": "https://nanotec.com/us/en/products/372-st4118l1804-a",
   "as_of": "2026-10-29"
  }
 ],
 "moq": "unknown",
 "links": {
  "product": "https://nanotec.com/us/en/products/372-st4118l1804-a",
  "datasheet": "https://www.nanotec.com/fileadmin/files/Datenblaetter/Schrittmotoren/ST4118/L/ST4118L1804-A.pdf",
  "cad": "https://nanotec.com/us/en/products/372-st4118l1804-a"
 },
 "sources": [
  {
   "url": "https://nanotec.com/us/en/products/372-st4118l1804-a",
   "what": "specs (torque, current, R, L, inertia, length), single price $54.30 USD in page data, STP + PDF downloads"
  }
 ],
 "confidence": "VERIFIED",
 "category": "motors",
 "subcategory_title": "Stepper & Integrated Stepper Motors",
 "icon": "stepper",
 "image": {
  "url": "https://parts.trymaglev.com/img/mo-nanotec-st4118l1804-a.webp",
  "thumb": "https://parts.trymaglev.com/img/t/mo-nanotec-st4118l1804-a.webp",
  "source_image": "https://nanotec.com/fileadmin/files/Fotos/Stepper-Motors/Hybrid-stepper-motors/Schrittmotor_ST4118.jpg?1656012571",
  "source_page": "https://nanotec.com/us/en/products/372-st4118l1804-a",
  "background": "removed (Apple Vision)",
  "as_of": "2026-10-29"
 },
 "origin": {
  "code": "DE",
  "basis": "hq"
 },
 "hts_resolved": {
  "code": "8501.10.40.40",
  "typical": true,
  "key": "stepper-motors",
  "basis": "subcategory",
  "confidence": "low",
  "note": "Stepper AC/DC and output treatment varies; no ruling checked in this pass."
 },
 "us_duty_by_origin": {
  "as_of": "2026-10-29",
  "rates": [
   {
    "origin": "CN",
    "duty_pct": 41.9,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "TW",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "VN",
    "duty_pct": 16.9,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "IN",
    "duty_pct": 14.4,
    "possible_pct": 0,
    "usmca": false
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   {
    "origin": "JP",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
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   {
    "origin": "KR",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
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   {
    "origin": "DE",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
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   {
    "origin": "MX",
    "duty_pct": 14.4,
    "possible_pct": 0,
    "usmca": true
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   {
    "origin": "US",
    "duty_pct": 0,
    "possible_pct": 0,
    "usmca": false
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 },
 "url": "https://parts.trymaglev.com/p/mo-nanotec-st4118l1804-a/",
 "markdown": "https://parts.trymaglev.com/p/mo-nanotec-st4118l1804-a/index.md",
 "equivalents_detail": [
  {
   "id": "mo-stepperonline-17hs19-2004s1",
   "name": "NEMA 17 Bipolar Stepper 0.59 N·m 2.0 A 48 mm (17HS19-2004S1)",
   "brand": "StepperOnline",
   "mpn": "17HS19-2004S1",
   "category": "motors",
   "subcategory": "steppers",
   "summary": "Commodity 42 mm NEMA 17 hybrid stepper with 1 m cable and connector; the default pick for 3D printers, small gantries and benchtop rigs.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": 9.62,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/mo-stepperonline-17hs19-2004s1.webp",
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   "json": "https://parts.trymaglev.com/api/parts/mo-stepperonline-17hs19-2004s1.json"
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  {
   "id": "mo-trinamic-qsh4218-41-10-035",
   "name": "QMot QSH4218 NEMA 17 Stepper 0.35 N·m 1.0 A (QSH4218-41-10-035)",
   "brand": "Analog Devices (Trinamic)",
   "mpn": "QSH4218-41-10-035",
   "category": "motors",
   "subcategory": "steppers",
   "summary": "Trinamic QMot 42 mm stepper optimized for microstepping with TMC drivers; a distributor-stocked, well-documented NEMA 17.",
   "origin": "DE",
   "origin_basis": "hq",
   "price_usd": null,
   "price_qty": null,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/mo-trinamic-qsh4218-41-10-035.webp",
   "url": "https://parts.trymaglev.com/p/mo-trinamic-qsh4218-41-10-035/",
   "json": "https://parts.trymaglev.com/api/parts/mo-trinamic-qsh4218-41-10-035.json"
  }
 ],
 "pairs_with_detail": []
}