The invention relates to a circuit arrangement (1) comprising an electrical and/or electronic circuit unit (10), which comprises a circuit carrier (14), on which at least one electrical and/or electronic component (12) is arranged, and at least one connection region (5) with at least one contact unit (14.2) for electrically contact-connecting the electrical and/or electronic circuit unit (10) to other electrical and/or electronic structural units, wherein at least one region of the circuit unit (10) is arranged in a housing unit (20) sealed relative to the surroundings. According to the invention, the housing unit (20) comprises a protective compound which surrounds the at least one region of the circuit unit (10) in a sealing fashion and surrounds the at least one connection region (5) in such a way that the at least one contact unit (14.2) is embedded at least at its side areas into the protective compound (22).