Alnico 5 block magnet 3.18*3.18*19.05mm

Description

HS Magnet’s Alnico 5 Block Magnet (3.18 × 3.18 × 19.05 mm) delivers exceptional magnetic strength and thermal stability in a compact form factor. Machined from premium Al–Ni–Co class 5 alloy and ground to ±0.02 mm, this micro block magnet provides a uniform, high-flux field for precision electronics, sensing devices and miniature actuators.

Key Features

• Magnetic Grade: Alnico 5
• Remanence (Br): ≈ 1.20 – 1.30 T
• Maximum Energy Product (BHₘₐₓ): ≈ 5.5 – 6.0 MGOe
• Intrinsic Coercivity (Hcb): ≈ 50 kA/m
• Temperature Coefficient of Br: –0.02 %/°C
• Maximum Operating Temperature: 525 °C

Dimensions & Finish

• Length: 19.05 mm ± 0.02 mm
• Width/Thickness: 3.18 mm ± 0.02 mm
• Surfaces: Precision-ground, burr-free
• Optional Coatings: Ni–Cu–Ni plating, epoxy paint or zinc for corrosion protection

Customization Options

• Magnetization Direction: Lengthwise or through-thickness
• Tightened Tolerances: ± 0.01 mm available upon request
• Packaging: Bulk, tape-and-reel or custom trays for automated assembly