The requested file:
https://pdf.datasheetcatalog.com/datasheet/irf/25tts-s.pdf
is the data sheet for the following electronic components:

International Rectifier

#	Part Name	Description
1	25TTS08S	800V 16A Phase Control SCR in a D2-Pak package
2	25TTS08STRL	800V 16A Phase Control SCR in a D2-Pak package
3	25TTS08STRR	800V 16A Phase Control SCR in a D2-Pak package
4	25TTS12S	1200V 16A Phase Control SCR in a D2-Pak package
5	25TTS12STRL	1200V 16A Phase Control SCR in a D2-Pak package
6	25TTS12STRR	1200V 16A Phase Control SCR in a D2-Pak package
7	25TTS16S	1600V 16A Phase Control SCR in a D2-Pak package
8	25TTS16STRL	1600V 16A Phase Control SCR in a D2-Pak package
9	25TTS16STRR	1600V 16A Phase Control SCR in a D2-Pak package

Select the part name and then you can download the datasheet in PDF format.