Electronic assembly comprising a first circuit and a second circuit, wherein the first circuit is galvanically isolated from the second circuit and wherein an optical transmission link is provided between the first circuit and the second circuit, wherein an optocoupler makes the optical transmission link available, wherein the optocoupler has a transmitter and a receiver, which are coupled to one another by the optical transmission link, wherein the optocoupler has electrical connections at the transmitter and at the receiver and also has a circuit carrier, wherein the transmitter and the receiver are embodied as SMD components and are mounted on the circuit carrier, wherein light signals of the transmitter are able to be coupled into a light guiding element and light signals which are able to be coupled out of the light guiding element are directed at the receiver, and wherein the circuit carrier has an installation depression in which the transmitter and the light guiding element are arranged, characterized in that the receiver is arranged in the installation depression, in that the light guiding element situated in the optical transmission link is embodied as an SMD component and is mounted on the circuit carrier, the first circuit is configured to be operated with a higher voltage and/or a higher power than the second circuit, wherein the first circuit is embodied as a power electronic circuit and has a controller provided for the operation of power components, and the second circuit serves merely for the processing of information that is transported optically via a galvanic trench to the first circuit. wherein the first circuit is galvanically isolated from the second circuit and wherein an optical transmission link is provided between the first circuit and the second circuit, wherein an optocoupler makes the optical transmission link available, wherein the optocoupler has a transmitter and a receiver, which are coupled to one another by the optical transmission link, wherein the optocoupler has electrical connections at the transmitter and at the receiver and also has a circuit carrier, wherein the transmitter and the receiver are embodied as SMD components and are mounted on the circuit carrier, wherein light signals of the transmitter are able to be coupled into a light guiding element and light signals which are able to be coupled out of the light guiding element are directed at the receiver, and wherein the circuit carrier has an installation depression in which the transmitter and the light guiding element are arranged, characterized in that the receiver is arranged in the installation depression, in that the light guiding element situated in the optical transmission link is embodied as an SMD component and is mounted on the circuit carrier, the first circuit is configured to be operated with a higher voltage and/or a higher power than the second circuit, wherein the first circuit is embodied as a power electronic circuit and has a controller provided for the operation of power components, and the second circuit serves merely for the processing of information that is transported optically via a galvanic trench to the first circuit.