Indeed doesn’t appear to be one. Easy enough to make though, which case are you interested in as the pcb footprint? You have a choice of TO-92 or a variety of surface mount options it looks like.
Edit: Christmas (at least in my time zone 
) came early. Assuming you can use the TO-92 package this part should do you:
TLV431.fzpz (6.6 KB)
One of the smd packages is a relatively minor change.
Peter
