{ "id": "mo-thingap-lsi-75-20", "name": "ThinGap LSI 75-20 Slotless Motor Kit", "subcategory": "frameless-bldc", "brand": "ThinGap (Allied Motion)", "mpn": "LSI 75-20", "summary": "Zero-cogging slotless ring kit, 75 mm OD with 52 mm through hole, for precision robot joints, gimbals and optics.", "maker": { "name": "ThinGap (Allied Motion)", "country": "US", "role": "brand" }, "made_in": "unknown", "specs": { "peak_torque_nm": { "label": "Peak torque", "value": "2.34 Nm (1 s); 1.45 Nm (3 s)", "num": 2.34, "unit": "Nm" }, "cont_torque_nm": { "label": "Continuous torque", "value": "0.63 Nm at max speed (datasheet); 0.66 Nm on series page", "num": 0.63, "unit": "Nm" }, "od_mm": { "label": "Outer diameter", "value": "75 mm", "num": 75, "unit": "mm" }, "axial_length_mm": { "label": "Axial length", "value": "20 mm axial height", "num": 20, "unit": "mm" }, "voltage_v": { "label": "Voltage", "value": "108.2 Vpk l-l at max speed (WYE series); 54.1 V WYE parallel", "num": 108.2, "unit": "V" }, "mass_g": { "label": "Mass", "value": "258 g part set (rotor 170, stator 88)", "num": 258, "unit": "g" }, "rotor_id_mm": { "label": "Through hole", "value": "52 mm", "num": 52, "unit": "mm" }, "max_speed_rpm": { "label": "Max continuous speed", "value": "2500 rpm", "num": 2500, "unit": "rpm" }, "cogging": { "label": "Cogging", "value": "zero (slotless)", "num": null, "unit": null } }, "price": [], "moq": "unknown", "lead_time": "unknown", "hts": "unknown", "compliance": { "ndaa": "unknown", "blue_uas": "unknown", "fcc": "n/a", "notes": "" }, "links": { "product": "https://www.thingap.com/ls-series/", "datasheet": "https://www.thingap.com/wp-content/uploads/2026/02/LSI-75-20-Datasheet-Rev-H.pdf", "cad": "https://www.thingap.com/wp-content/uploads/2020/03/VirtualAssembly_075-020.step" }, "equivalents": [ "mo-tq-robodrive-ilm70x10" ], "pairs_with": [ "mo-elmo-gold-whistle-20-100", "mo-copley-ack-090-08" ], "maglev": { "custom": "ThinGap says its slotless motor kits are made in Camarillo, CA (per Maglev's US sourcing research); a US-made option for zero-cogging joints.", "directory_ref": null }, "sources": [ { "url": "https://www.thingap.com/ls-series/", "what": "LS series table, STEP link" }, { "url": "https://www.thingap.com/wp-content/uploads/2026/02/LSI-75-20-Datasheet-Rev-H.pdf", "what": "datasheet Rev H: full specs" } ], "confidence": "VERIFIED", "category": "motors", "subcategory_title": "Frameless BLDC Torque Motors", "icon": "frameless", "image": { "url": "https://parts.trymaglev.com/img/mo-thingap-lsi-75-20.webp", "thumb": "https://parts.trymaglev.com/img/t/mo-thingap-lsi-75-20.webp", "source_image": "https://www.thingap.com/wp-content/uploads/2021/10/Labelled-LS-4-2048x1243.png", "source_page": "https://www.thingap.com/ls-series/", "background": "removed (Apple Vision)", "as_of": "2026-10-29", "note": "LS series photo." }, "origin": { "code": "US", "basis": "hq" }, "hts_resolved": { "code": "8501.31.40.00", "typical": true, "key": "frameless-torque-motors", "basis": "no rated output in the data", "confidence": "medium" }, "us_duty_by_origin": { "as_of": "2026-10-29", "rates": [ { "origin": "CN", "duty_pct": 41.5, "possible_pct": 0, "usmca": false }, { "origin": "TW", "duty_pct": 10, "possible_pct": 0, "usmca": false }, { "origin": "VN", "duty_pct": 16.5, "possible_pct": 0, "usmca": false }, { "origin": "IN", "duty_pct": 14, "possible_pct": 0, "usmca": false }, { "origin": "JP", "duty_pct": 12.5, "possible_pct": 0, "usmca": false }, { "origin": "KR", "duty_pct": 12.5, "possible_pct": 0, "usmca": false }, { "origin": "DE", "duty_pct": 10, "possible_pct": 0, "usmca": false }, { "origin": "MX", "duty_pct": 14, "possible_pct": 0, "usmca": true }, { "origin": "US", "duty_pct": 0, "possible_pct": 0, "usmca": false } ] }, "url": "https://parts.trymaglev.com/p/mo-thingap-lsi-75-20/", "markdown": "https://parts.trymaglev.com/p/mo-thingap-lsi-75-20/index.md", "equivalents_detail": [ { "id": "mo-tq-robodrive-ilm70x10", "name": "TQ-RoboDrive ILM70x10 Servo Kit", "brand": "TQ-RoboDrive", "mpn": "ILM70x10", "category": "motors", "subcategory": "frameless-bldc", "summary": "DLR-derived frameless stator/rotor kit, 69 mm OD, for compact robot joints with strain-wave gears; Hall option available.", "origin": "DE", "origin_basis": "hq", "price_usd": null, "price_qty": null, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/mo-tq-robodrive-ilm70x10.webp", "url": "https://parts.trymaglev.com/p/mo-tq-robodrive-ilm70x10/", "json": "https://parts.trymaglev.com/api/parts/mo-tq-robodrive-ilm70x10.json" } ], "pairs_with_detail": [ { "id": "mo-elmo-gold-whistle-20-100", "name": "Elmo Gold Whistle 20/100 Servo Drive", "brand": "Elmo Motion Control", "mpn": "unknown", "category": "motors", "subcategory": "drivers", "summary": "PCB-mount 55 x 46 mm Gold-family servo drive running from a single 12-95 V supply, 1.6 kW continuous in the 20/100 rating, with STO and EtherCAT/CANopen.", "origin": "IL", "origin_basis": "hq", "price_usd": null, "price_qty": null, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/mo-elmo-gold-whistle-20-100.webp", "url": "https://parts.trymaglev.com/p/mo-elmo-gold-whistle-20-100/", "json": "https://parts.trymaglev.com/api/parts/mo-elmo-gold-whistle-20-100.json" }, { "id": "mo-copley-ack-090-08", "name": "Copley Accelnet Micro Module ACK-090-08", "brand": "Copley Controls", "mpn": "ACK-090-08", "category": "motors", "subcategory": "drivers", "summary": "PCB-mount CANopen digital servo drive (64 x 41 mm) for brush or brushless motors; the 90 V / 4 A-continuous model of the Accelnet Micro Module family.", "origin": "US", "origin_basis": "hq", "price_usd": null, "price_qty": null, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/mo-copley-ack-090-08.webp", "url": "https://parts.trymaglev.com/p/mo-copley-ack-090-08/", "json": "https://parts.trymaglev.com/api/parts/mo-copley-ack-090-08.json" } ] }