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Radio Shack Ceramic Magnet (64-1877)
Specifications
Description: . . . . . . . . . . . . . Ceramic Block 1.87 x 0.87 x 0.390 Inches
Material: . . . . . . . . . . . . . . . Oriented Strontium Ferrite
Magnetic Properties:
Residual Flux Density (B sub r): . . . . . . . . . . . . . . 3,850 Gauss
Coercive Force (H sub c): . . . . . . . . . . . . . . . . . . . 2,950 Oersteds
Max Energy Product (BH sub max): . . . . . . . . . . . 3.5 MG * Oe
Average Recoil Permeability: . . . . . . . . . . . . . . . . . 1.1
Field Strength needed to saturate: . . . . . . . . . . . . . . 10,000 Oe
Temperature needed to permanently ruin: . . . . . . . . 1,800 Degrees F
Physical Properties:
Density: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.180 lbs/In^3
Coefficient of Thermal Expansion: . . . . . . . . . . . . 10.3 per degrees C x 10^-6
Resistivity at 25 degrees C: . . . . . . . . . . . . . . . . . . 10^10 micro-Ohms/cm/cm^2
Rockwell Hardness Scales: . . . . . . . . . . . . . . . . . . off C
Dimensions (HWD): . . . . . . . . . . . . . . . . . . . . . . .
3/8 x 1-7/8 x 7/8 Inches
