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Magnetic Encoder Displacement Sensor Achieves Higher Durability, Reliability Over Hall Effect Potentiometers


Vishay Sfernice RAME027 Provides Accuracy of ± 0.33 % at 25 °C in 27 mm Form Factor

MALVERN, Pa. — Vishay Intertechnology, Inc. introduced a new magnetic position sensor that delivers accuracy comparable to Hall effect devices while offering higher reliability and better durability. The one-time programmable (OTP) Vishay Sfernice RAME027 provides accuracy of ± 0.33 % at 25 °C in a small 27 mm form factor. Typical applications will include military and industrial joysticks, electrical actuators, machine tools, textile manufacturing, milling, and robotics.

The robust capabilities and construction of the RAME027 make it the ideal solution for rough working conditions, including high vibration and shocks. Vishay can customize the RAME027 with customer-specified mechanical dimensions, output SSIs, accuracy and resolution levels, reinforcements, and protection features against EMC and ESD. Vishay can also provide redundant functions and an extended temperature range.

The RAME027 works from a 5 V (± 0.25 V) voltage supply and draws < 20 mA at 5 V. The device features a useful electrical angle of 360°, an analog output, and 12-bit resolution, and it works over a temperature range of -25 °C to +85 °C.

Samples and production quantities of the RAME027 are available now, with a lead time of 16 weeks for larger orders. Pricing for U.S. delivery only starts at $211 per piece in 50-piece quantities.


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