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Introducing Standex Detect, a New Name in Precision Electronics

Standex Detect is part of the newly rebranded Standex Electronics family. Our focus remains on precision reed switches, sensors, and relays that deliver the right design, at the right time, at the optimal cost. Read our press release to learn more about how this change strengthens our global collaboration and innovation.

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Home Products Sensors Magnets and Acutators AlNiCo Magnets

AlNiCo Magnets

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Three groups of gray cylindrical AlNiCo magnets with white ends are arranged on a white background; one group of four, one of six, and one of seven rods. by Standex Detect
Table displaying magnetic values for AlNiCo Magnets according to DIN 17410, including energy product, remanence, coercivity, temperature coefficients, density, and max operating temperature, with units and typical values. by Standex Detect
Table showing AlNiCo magnets’ features, working temperature from -250 to 450°C, and low temperature coefficient; standard geometric shapes—rectangle and cylinder—are illustrated with diagrams and magnetization arrows. by Standex Detect
A comparison table of magnet materials—Ferrite, AlNiCo Magnets, NdFeB, and SmCo—ranking properties like cost, energy, temperature, corrosion resistance, strength, and stability from low (blue) to high (red). by Standex Detect
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Aluminum-Nickel-Cobalt (AlNiCo) Magnets are high-performance permanent magnets made from a blend of aluminum, nickel, cobalt, iron, copper, and titanium. Manufactured through a sintering or casting process, these magnets are known for their exceptional temperature stability and adjustable magnetic properties. Their cylindrical form factor and high length-to-diameter ratio make them ideal for use with reed sensors and switches, especially in applications requiring consistent performance across a wide temperature range.

Due to their hardness, AlNiCo magnets are typically ground to achieve precise dimensions, making them a cost-effective choice for demanding sensing environments.

  • Wide Operating Temperature Range: From -250°C up to +450°C.
  • Excellent Temperature Stability: Ideal for environments with fluctuating or extreme temperatures.
  • Adjustable Magnetic Moment: Allows for fine-tuning of magnetic strength.
  • Optimized Geometry: Recommended length-to-diameter ratio of 4:1 for better magnetic stability.
  • Compatible with Reed Sensors
  • Industrial Automation: Reliable sensing in high-temperature or variable environments.
  • Medical Devices: Stable magnetic performance in sterilization and diagnostic equipment.
  • Aerospace and Defense: Used in systems requiring precision and thermal resilience.
  • Automotive Systems: Ideal for engine and transmission sensors.
  • Scientific Instruments: Employed in lab equipment for consistent magnetic fields.

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