It is designed for routing analog or digital signals in audio, video, data acquisition, and test equipment where four independent switch channels are needed in a single package.
RoHS non-compliant — plan for leaded assembly
Designs requiring lead-free (RoHS) soldering processes will need a RoHS-compliant alternative or an exemption approval. For legacy or high-reliability assemblies that still use tin-lead solder, this is not a blocker.