Bourns EMS22A Non-Contacting Absolute Magnetic Encoder, 10-bit, 5 V (EMS22A50-B28-LS6)
Bourns · MPN EMS22A50-B28-LS6 · Maglev ID ac-bourns-ems22a50-b28-ls6
US Maker in United States, factory not confirmed unknown VERIFIED
Panel/bushing-mount 22 mm magnetic absolute encoder with its own shaft; a cheap, easy-to-source output-angle sensor for prototypes and slow joints.
Specifications
| Resolution | 1024 positions (10 bit absolute) |
|---|---|
| Accuracy | ±0.7° nominal or better; ±1.4° worst case; linearity 0.5 % |
| Max speed | 10,000 rpm maximum (ball bearing shaft) |
| Interface | Absolute serial (SSI-style 3-wire: CLK, DO, CS) |
| Form | on-axis module: housed encoder with shaft and bushing, PC pins |
| Sensing | Hall (non-contacting magnetic) |
| Supply | 5.0 VDC ±10 % (EMS22A50); 3.3 V option |
| Bore / ring ID | n/a |
| Operating temp | -40 °C to +125 °C |
Who makes it
MakerBourns
Based inUnited States
RoleBrand owner
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
CN
37.5%
TW
10%
VN
12.5%
IN
10%
JP
12.5%
KR
12.5%
DE
10%
MX
10%
US
0%
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 |
Sources
- https://www.digikey.com/en/products/detail/bourns-inc/EMS22A50-B28-LS6/3694111price breaks, stock, image
- https://www.bourns.com/datasheet: resolution, accuracy, speed, supply
Record confidence: VERIFIED. 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.