Vishay Intertechnology 45 mm Inductive Position Sensor Encoder Enables Reliable Operation Near Electric Motors

Vishay launches a 45 mm inductive kit encoder designed for reliable high-speed position sensing near electric motors in harsh industrial environments.

Rhea-AI Summary

Vishay Intertechnology (VSH) introduced the RAIK045I MP, a 45 mm single-turn absolute inductive position sensor encoder for industrial applications. The medium precision device offers 16-bit resolution, repeatability of ≥ 14 bits, absolute accuracy of ≥ 10 bits (0.35°), and supports rotation speeds up to 10 000 rpm in a compact, lightweight form factor of 6.6 mm thickness and about 13 g total weight.

The encoder’s inductive technology makes it immune to external magnetic fields and resistant to moisture, pollution, vibration, shock, and temperature changes, enabling reliable operation near electric motors. It features an off-axis, hollow shaft design with a 360° useful electrical angle, an operating temperature range from -40 °C to +125 °C, and SPI output, with Sin/Cos available on request. Samples and production quantities are available now with 16-week lead times.

Key Figures

Resolution: 16-bit Repeatability: ≥ 14 bits Rotation speed: up to 10 000 rpm +5 more

Resolution

16-bit

RAIK045I MP single-turn encoder

Repeatability

≥ 14 bits

RAIK045I MP encoder

Rotation speed

up to 10 000 rpm

RAIK045I MP encoder

Absolute accuracy

≥ 10 bits (0.35°)

RAIK045I MP encoder

Diameter

45 mm

Compact single-turn device

Thickness

6.6 mm

Compact single-turn device

Operating temperature

-40 °C to +125 °C

RAIK045I MP encoder

Lead time

16 weeks

Samples and production quantities available now

Key Terms

inductive technology, hollow shaft mounting, rohs-compliant

3 terms

inductive technology technical

"built on inductive technology for industrial applications"

Technology that uses electromagnetic induction — changing magnetic fields between coils or coils and conductive surfaces — to transfer energy or detect objects without a direct electrical connection. Common uses include wireless charging, induction heating, and non-contact sensors. It matters to investors because inductive solutions change how products are designed, sold and regulated: they can enable new features, affect manufacturing costs and standards, and influence market demand and revenue potential, like charging a device by setting it on a pad rather than plugging it in.

hollow shaft mounting technical

"off-axis design for hollow shaft mounting"

A hollow shaft mounting is a way to attach a motor, gearbox, encoder or similar rotary device by fitting its empty (hollow) center over a machine’s solid shaft or hub, rather than using a solid shaft that sticks out. It matters to investors because this design can simplify installation, save space, reduce parts like couplings, and affect manufacturing costs and compatibility of equipment—factors that influence product competitiveness and capital spending.

rohs-compliant regulatory

"The RoHS-compliant device features SPI output"

RoHS-compliant means a product meets rules that limit or ban certain hazardous chemicals in electrical and electronic equipment, ensuring the item does not contain those restricted substances above set limits. For investors this matters because compliance affects a company's ability to sell in regulated markets, avoid fines and recalls, and manage production costs and supply-chain risks—similar to a food product following a recipe that omits banned ingredients to stay sellable and safe.

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Single-Turn Device Combines 16-Bit Resolution, Repeatability of ≥ 14 Bits, and Rotation Speeds to 10 000 rpm in a Compact, Lightweight Design

MALVERN, Pa., Sept. 08, 2026 (GLOBE NEWSWIRE) -- Vishay Intertechnology, Inc. (NYSE: VSH) today introduced a new medium precision position sensor built on inductive technology for industrial applications. Compared to solutions based on magnetic technology, the Vishay MCB RAIK045I MP absolute inductive kit encoder is immune to external magnetic fields, allowing it to be used close to electric motors. Designed as a cost-effective alternative to higher performance encoder solutions, the device combines 16-bit resolution, repeatability of ≥ 14 bits, and rotation speeds up to 10 000 rpm in a compact, lightweight design.

The position sensor released today is ideal for robotics, motor drives, and other demanding industrial applications requiring reliable and accurate positioning — including conveyor belt control and automated guided vehicles — as well as off-road vehicles and agricultural equipment. In addition, the RAIK045I MP will provide pitch and yaw position control in windmills; wheel position control in cleaning robots; and actuator position control in solar panels, hospital beds and surgical tables, drones, and missile launchers.

For these applications, the RAIK045I MP delivers absolute accuracy of ≥ 10 bits (0.35°) while maintaining reliable operation in the presence of external magnetic fields, which can reduce the accuracy of traditional magnetic encoders. The device’s inductive technology enables consistent actuator performance in these environments while also providing robustness against moisture, airborne pollution, vibration, mechanical shock, and changes in temperature.

With its high resolution and repeatability, the encoder enables servo-controlled systems to accurately return to previously defined positions, making repeatability a key parameter for precision motion control. The single-turn device combines a compact 45 mm diameter with a thickness of only 6.6 mm and a lightweight construction of approximately 13 g, including a rotor weighing just 4.3 g for very low inertia. The encoder's thin profile and light weight simplify mechanical integration, save space, and reduce system inertia.

Offering an off-axis design for hollow shaft mounting, the position sensor features a useful electrical angle of 360° and a wide temperature range of -40 °C to +125 °C. Heat generated by electric motors can reduce the accuracy of magnetic encoders. With its wide operating temperature range, the RAIK045I MP maintains accurate operation even when installed close to electric motors. The RoHS-compliant device features SPI output, with Sin / Cos output available on request.

Samples and production quantities of the RAIK045I MP are available now, with lead times of 16 weeks.

Vishay manufactures one of the world’s largest portfolios of discrete semiconductors and passive electronic components that are essential to innovative designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets. Serving customers worldwide, Vishay is The DNA of tech.^® Vishay Intertechnology, Inc. is a Fortune 1000 Company listed on the NYSE (VSH). More on Vishay at www.Vishay.com.

The DNA of tech^® is a registered trademark of Vishay Intertechnology, Inc.

Vishay on Facebook: http://www.facebook.com/VishayIntertechnology
Vishay Twitter feed: http://twitter.com/vishayindust

Links to product datasheets:
http://www.vishay.com/ppg?32647 (RAIK045I MP)

Link to product photo:
https://www.flickr.com/photos/vishay/albums/72177720335434498

For more information please contact:
Vishay Intertechnology
Peter Henrici, +1 408 567-8400
peter.henrici@vishay.com
or
Redpines
Bob Decker, +1 415 409-0233
bob.decker@redpinesgroup.com

FAQ

What applications is the RAIK045I MP encoder designed for?

The RAIK045I MP is intended for robotics, motor drives, conveyor belt control, automated guided vehicles, off-road vehicles, and agricultural equipment. It is also aimed at pitch and yaw control in windmills, wheel position control in cleaning robots, and actuator position control in solar panels, hospital beds, surgical tables, drones, and missile launchers.

How does the inductive technology benefit operation near electric motors?

The encoder’s inductive technology makes it immune to external magnetic fields, which can reduce the accuracy of traditional magnetic encoders. The company states that this allows accurate operation and consistent actuator performance when the device is installed close to electric motors and in environments with moisture, airborne pollution, vibration, mechanical shock, and temperature changes.

What are the key mechanical characteristics of the RAIK045I MP?

The encoder has a 45 mm diameter, a thickness of 6.6 mm, and a total weight of approximately 13 g, including a rotor of about 4.3 g for low inertia. It uses an off-axis design for hollow shaft mounting, provides a 360° useful electrical angle, and operates over a -40 °C to +125 °C temperature range.

What output interfaces does the RAIK045I MP support?

The RAIK045I MP features an SPI output as standard. A Sin / Cos output is available on request.

When is the RAIK045I MP available and what are the lead times?

Samples and production quantities of the RAIK045I MP are available now, with lead times of 16 weeks.