The invention relates to a magnetic reading head to be mounted in a terminal, said head having a generally rectangular parallelepiped shape and comprising a face for reading data coming from a magnetic stripe, said face comprising at least one component for reading data coming from a magnetic stripe.According to the invention, such a magnetic reading head comprises at least one flexible printed circuit board for protection against electromagnetic disturbances, said flexible printed circuit board being positioned on at least one face different from said reading face.