Lika SMAR4 Super-Miniature Off-Axis Absolute Modular Magnetic Encoder
Open-PCB off-axis readhead (22.5 x 6 x 3.9 mm) over an MRA or RMU magnetic ring, up to 20-bit BiSS C / SSI, daisy-chainable; Lika's encoder aimed at robot joints and hollow-shaft motors.
Specifications
| Resolution | up to 20 bits (1,048,576 cpr) per 2026 trade press; Lika's 2023 newsletter said 19 bits |
|---|---|
| Accuracy | unknown |
| Max speed | up to 24,000 rpm |
| Interface | SSI; BiSS C-mode (daisy chain up to 7 encoders) |
| Form | off-axis ring kit: open PCB readhead + MRA or RMU magnetic ring |
| Sensing | magnetic (type not stated) |
| Supply | unknown |
| Bore / ring ID | 8 to 47 mm (MRA rings); 15 to 70 mm (RMU rings) |
| Operating temp | -25 °C to +100 °C |
Who makes it
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 9031.80.80.85 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | lika.it product page returned 403 to automated fetch; specs from trade press |
Equivalents from other makers
Sources
- https://www.directindustry.com/prod/lika-smart-encoders-actuators/product-14943-2582087.htmlDirectIndustry listing (Lika): description, robotics use, MRA ring, image
- https://www.designworldonline.com/lika-electronic-introduces-smar4-modular-encoder/Design World: resolution, interfaces, speed, temp, readhead size, ring bores
Record confidence: REPORTED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.