RGBS VGA SCART to YPBPR Component Converter, Converter for for Genesis for N64 for Dreamcast for Wii for MD for Saturn Converter Supports 480i, 480p, 576i, 576p, 720p, 1080i: Amazon.co.uk: Electronics &
This cheap RT2X ripoff product can transcode s-video to component (tested with n64) : r/crtgaming
ODV-II Component/CVBS/S-Video to Component Converter for Retro Gaming – SupremeGameGear
RGB VGA to YPbPr Component transcoder/converter | eBay
RetroTINK RGB2COMP | RGB to Component Transcoder – Games Connection