A pressure sensor having a measuring cell (1) and sensor electronics (13) connected with the measuring cell (1), wherein the sensor electronics (13) and its electrical connections are protected from external influences, wherein on front side of the measuring cell (1) a pressure sensitive element is arranged, on which a pressure (p) acts during operation, and wherein the sensor electronics is arranged on a rear side of the measuring cell (1). The sensor has connected with the measuring cell (1) a cap (19, 27), which encloses the sensor electronics (13), and at least one bushing (25), through which the connection lines (17) connected to the sensor electronics (13) pass.