Summary Magnet Ring - 3/16"
Dimensions: 3/16" (4.7625mm) outer dia x 1/16" (1.5875mm) inner dia x 1/16" (1.5875mm) thick
These are small rare earth magnets - 3/16" rings. 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.
We found these small rings to be very useful for connecting PCBs together. These rings are conductive and can act as a magnetic connector between widgets. You need a way to secure the ring to the PCB (screws and rivets have been shown to work).
Sold in single units.
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Features:
Dimensions: 3/16" (4.7625mm) outer dia x 1/16" (1.5875mm) inner dia x 1/16" (1.5875mm) thick
Tolerances: ±0.002" x ±0.002" x ±0.002"
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
