Description
Magnetic Ring 5mm (3/16") Rare Earth Magnet
This little beauty is a 5mm (3/16") rare earth magnet ring. It is composed of Neodymium/Iron/Boron (NdFeB). These magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches. This one small ring can easily hold a piece of paper to your fridge.
These magnets are good for connecting PCBs together too. The rings are conductive and can act as a magnetic connector between widgets. You just need a way to secure the ring to the PCB (screws and rivets have been shown to work).
Magnet Features:
- Material: NdFeB, Grade N42
- Plating/Coating: Ni-Cu-Ni (Nickel)
- Magnetization Direction: Axial (Poles on Flat Ends)
- Weight: 0.00665 oz. (0.189 g)
- Pull Force: 1.48 lbs!
- Surface Field: 2275 Gauss
- Brmax: 13,200 Gauss
- BHmax: 42 MGOe
Magent Dimensions:
- Outside Diameter: 4.76mm (0.1875")
- Internal Diameter: 1.59mm (0.0625")
- Thickness: 1.59mm (0.0625")
Related Products
High Strength Magnet - 'Rare Earth'
AdaFruit
£2.50
High Strength Magnet - 'Rare Earth'
These high strength magnets didn't get their name for no reason, it is actually because these things are super powerful.They are 1/2" diameter, 3/16" thick discs...
Magnet Cube - 6mm (0.25")
Sparkfun
£2.00
Magnet Cube - 6mm (0.25")
These are small rare earth magnets - 0.25" cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a...
SparkFun COM-08644 Magnet Square - 0.125"
Sparkfun
£1.55
SparkFun COM-08644 Magnet Square - 0.125"
These are very small rare earth magnets - 0.125" cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way...
Magnetic Snap 18mm
Sparkfun
£1.61
Magnetic Snap 18mmA snap is fun, but a magnetic snap adds a whole new layer of possibilities.These are relatively large 18mm diameter snaps (all three pieces come as shown). They couple together very...
Magnetic Door Switch Set (Complete Assembly)
Sparkfun
£4.80
Magnetic Door Switch Set (Complete Assembly)
A Magnetic Door Switch complete assembly: A small reed switch assembly specifically designed to alert you when doors, drawers, or any other aperture opens...