Development and manufacture of magnetoresistive sensors (AMR/GMR/TMR) as well as magnetic length standards
Sensitec GmbH
Wetzlar (Headquarters) · MainzNew on Amplifa
About Sensitec
Sensitec GmbH, headquartered in Wetzlar, develops and manufactures magnetoresistive sensors based on AMR, GMR and TMR technology. The portfolio includes angle and position sensors, current sensors with bandwidths of up to 2 MHz for high-switching-frequency inverter topologies with SiC and GaN components, magnetic linear scales as well as custom sensor chips. In addition, the company offers individual chip developments and µm-precise encoding of magnetic length standards (pole rings) using a specialized machine park. The sensors are used, among other applications, in the automotive industry (including valve lift measurement), in automation, machine tools, robotics, power electronics and in biosensing and molecular diagnostics, for example in the FungiFlex Mold Panel from Zepto Life Technology. In addition to its headquarters in Wetzlar, Sensitec operates a site in Mainz; both run on 100 % green electricity. The company is part of the Sinomags group.
- Site
- Wetzlar
- Processes
- Magnetoresistive sensor technology (AMR/GMR/TMR), Individual chip development (custom sensor chips), Encoding of magnetic length standards (pole rings), Individual chip development, Custom sensor solutions
- Materials
- Magnetic length standards, SiC (silicon carbide), GaN (gallium nitride), Magnetoresistive sensor technology, Silicon (semiconductor), Silicon carbide, Gallium nitride
- Certificates
- ISO 14001, ISO 50001
- Industries
- Automotive, Automation, Biosensing, Medical technology/Molecular diagnostics, Machine tools, Power electronics
- 01
Individual chip development
- 02
Manufacture of magnetoresistive sensors (AMR/GMR/TMR)
- 03
Encoding of magnetic length standards (pole rings)
- 04
System solution and sales
Technologies and Materials
Magnetoresistive sensor technology
Core technology for angle, position and current sensors with high precision and temperature stability.
Silicon (semiconductor)
Substrate material for the custom development and manufacture of sensor chips.
Silicon carbide
Foundation of modern power electronics, for whose inverter topologies Sensitec develops fast current sensors.
Gallium nitride
Semiconductor material for high-performance power electronics, addressed by current sensors with bandwidths of up to 2 MHz.
Magnetic length standards
Pole rings and magnetic encodings with µm-precise encoding for length and position measurement.
Locations
Wetzlar
DEHeadquarters
Mainz
DESite
Products and Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Magnetoresistive sensor technology (AMR/GMR/TMR)Engineering | – | – | – | – | Silicon (semiconductor) |
| Individual chip development (custom sensor chips)Engineering | – | – | – | – | Silicon (semiconductor) |
| Encoding of magnetic length standards (pole rings)Joining | μm-precise | – | – | – | Magnetic materials |
Additional services
Reference customers
Quality and Environment
Sensitec maintains a quality and environmental management system and is certified to ISO 14001 and ISO 50001; both sites operate on 100 % green electricity. Concrete targets for CO₂ reduction and increased energy efficiency by 2030 have been defined.
| Evidence | Wetzlar | Mainz |
|---|---|---|
| ISO 14001 | ||
| ISO 50001 |
History
- 2011
Innovations from this year continue to shape sensor technology to this day; subject of the 15-year retrospective in Sensor.Kosmos (2026)