Component reference PDF of 85.5 KB for 10TTS08S, one of two related files alongside 10TTS08. The S suffix generally indicates a surface-mount package variant within International Rectifier style numbering, but confirm this inside the document. It should list ratings, triggering or conduction characteristics and package outlines. Use it to verify the pinout before desoldering, select a matching replacement, and make sure the exact code on the board device matches this variant.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cyberlanelectonik. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.