Current sensor and manufacturing method for the same

A method for manufacturing a current sensor comprising the steps of:

• causing a holding portion provided in a housing that holds a busbar to which a current is applied and a core arranged around the busbar, to hold element main bodies of plural detection elements for detecting the current in the state where plural connection terminals extending from the element main bodies are bent so that adjacent connection terminals spread in separating directions from each other on both sides of the element main body, and where an end of each connection terminal is bent to align an extending direction of the end with a direction toward a circuit board from the housing;
• mounting a plate-like member onto a surface the circuit board facing the housing, the plate-like member being provided with plural guide holes that have a diameter reduced from a side of the plate-like member closer to the housing toward a side of the plate-like member closer to the circuit board;
• situating the circuit board and the plate-like member closely to the housing holding the plural element main bodies, then inserting each of the ends of the connection terminals into the corresponding guide hole in the plate-like member and a corresponding through-hole in the circuit board while aligning the housing with the circuit board, and fixing the circuit board to the housing;
• and
• soldering the end of each of the connection terminals to the circuit board;
• wherein each of the plurality of connection terminals being respectively inserted into the through holes in the circuit board via the respective reduced-diameter guide holes in the plate-like member;
• and the end of each connection terminal is bent to align the extending direction of the end with a direction heading perpendicularly from the housing toward the plate-like member.