Electrical connector and manufacturing method thereof

An electrical connector including a female connector and a male connector in a freely engageable and detachable manner, comprising:

• a male tab provided at the male connector;
• a housing part where the male tab is inserted provided at the female connector;
• an electrical contact part made up of a contact point provided at a contact piece and a beat protrusion provided at a beat piece to hold and press the male tab to enable electrical connection provided at the housing part;
• a protrusion provided at the male tab, and
• a recessed part accepting the protrusion provided at least at one of the contact piece and the beat piece at a position different from the electrical contact part,
• wherein the contact piece, the beat piece, and the recessed part are constituted to be one component, and
• a height of the protrusion is higher than a height of the contact point.