MANUFACTURE OF CURRENT SENSOR

PROBLEM TO BE SOLVED: To attain stabilization of characteristics in the manufacturing method of a current sensor. SOLUTION: This sensor is equipped with a base 1, a Hall element 2 mounted on this base 1, a core 3 mounted on the base 1 and supplying a magnetic flux to the Hall element 2 from a gap part thereof, a lead wire 4 wound on the core 3 and a regulating element mounted on the base 1 and conducting output regulation of the Hall element 2, and the regulating element is disposed on the other side of the base 1 in respect to the Hall element 2. In this constitution, the part of the Hall element 2 is covered with insulating resin, regulation of the regulating element is then executed and the regulating element is covered with the insulating resin thereafter.