Recom rpp50 2405s 50w single output dc dc converter recom rpp50 2405s p this recom 50w rpp50 2405s dc dc converter has an input voltage range of 2 1 the single output dc dc converter is ideal for high end industrial applications and cots military applications where a very wide operating temperature range of 45 deg c to 74 deg c is required p p although the case size is compact the converter contains a built in filter en55022 class b fcc level b without the need for any external comp