Magnetic position sensor offer higher durability

10th August 2017
Mick Elliott

A magnetic position sensor that delivers accuracy comparable to Hall effect devices while offering higher reliability and better durability has been introduced by Vishay Intertechnology. 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 customise the sensor 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 5V (± 0.25V) voltage supply and draws < 20mA at 5V. The device features a useful electrical angle of 360°, an analogue 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.

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