IN Brief:
- Vishay’s Sfernice 40 LHE combines a 40 mm stroke with ±1% linearity, 12 µm resolution, and more than 10 million cycles.
- The sensor is built around non-contact Hall-effect technology in a 35 mm by 14.5 mm by 28 mm package.
- Target uses include crackmeters, in-line measurement, robotic grippers, medical robotics, and industrial motion-control systems.
Vishay Intertechnology has expanded its position-sensing portfolio with the Sfernice 40 LHE, a compact linear sensor built around non-contact Hall-effect technology for higher-accuracy displacement measurement in harsh operating conditions.
The device delivers linearity down to ±1% of full stroke, 12 µm resolution, and a service life of more than 10 million cycles, with a package size of 35 mm by 14.5 mm by 28 mm. Vishay said the new sensor extends electrical stroke capability to 40 mm, up from the 10 mm range associated with earlier-generation devices, giving designers more travel without moving to a larger or contact-based sensing approach.
Application targets are broad but practical. Vishay points to servo-loop motion-control systems, in-line process measurement, robotic grippers, agricultural equipment, rail and marine applications, and medical robotic forceps. It also highlights infrastructure-integrity monitoring, including crackmeters used in bridges and buildings, where long-life, non-contact sensing can be valuable in exposed or difficult-to-service installations.
The 40 LHE arrives as designers continue looking for sensor packages that combine accuracy, durability, and integration simplicity rather than treating those as separate trade-offs. With its combination of compact dimensions, extended stroke, and wear-free Hall-effect operation, the part is positioned at the point where industrial monitoring and motion control increasingly overlap.
