Magnet Ring - 3/16\"
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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.
Features:
* Dimensions: 3/16\" od x 1/16\" id x 1/16\" 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