A circuit protection device, comprising: a first magnetic layer in which a first plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed; a second magnetic layer in which a second plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed; and a nonmagnetic layer in which a plurality of nonmagnetic sheets (110, 120, 130, 140, 150) are laminated and which is disposed between the first and second magnetic layers, wherein a noise filter part including a plurality of coil patterns (310, 320, 330, 340) is disposed in the nonmagnetic layer; and an electrostatic discharge protection part comprising first and second internal electrodes (510, 520) disposed on at least one of the first and second magnetic layer and an electrostatic discharge protection member disposed between the first and second internal electrodes (510, 520), wherein at least one of a thickness and a width of the electrostatic discharge protection member on at least one area of said electrostatic discharge protection member is different from that on another area of the electrostatic discharge protection member, characterized in that each of the first and second internal electrodes (510, 520) is formed as a conductive layer wherein a porous oxide is formed on a surface thereof as a porous insulation layer, and wherein the electrostatic discharge protection member is formed of a porous insulation material, the porous insulation material is formed of ferroelectric ceramic having a dielectric constant of 50 to 50,000, and has a porous structure in which a plurality of pores, each of which has a size of 1 nm to 5 μ m, are formed. a first magnetic layer in which a first plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed; a second magnetic layer in which a second plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed; and a nonmagnetic layer in which a plurality of nonmagnetic sheets (110, 120, 130, 140, 150) are laminated and which is disposed between the first and second magnetic layers, wherein a noise filter part including a plurality of coil patterns (310, 320, 330, 340) is disposed in the nonmagnetic layer; and an electrostatic discharge protection part comprising first and second internal electrodes (510, 520) disposed on at least one of the first and second magnetic layer and an electrostatic discharge protection member disposed between the first and second internal electrodes (510, 520), wherein at least one of a thickness and a width of the electrostatic discharge protection member on at least one area of said electrostatic discharge protection member is different from that on another area of the electrostatic discharge protection member, characterized in that each of the first and second internal electrodes (510, 520) is formed as a conductive layer wherein a porous oxide is formed on a surface thereof as a porous insulation layer, and wherein the electrostatic discharge protection member is formed of a porous insulation material, the porous insulation material is formed of ferroelectric ceramic having a dielectric constant of 50 to 50,000, and has a porous structure in which a plurality of pores, each of which has a size of 1 nm to 5 μ m, are formed.