The requested file:
https://pdf.datasheetcatalog.com/datasheet/stmicroelectronics/8911.pdf
is the data sheet for the following electronic components:

ST Microelectronics

#	Part Name	Description
1	STP10NK80Z	N-CHANNEL 800V - 0.78 OHM - 9A TO-220/TO-220FP/TO-247 ZENER-PROTECTED SUPERMESH POWER MOSFET
2	STP10NK80ZFP	N-CHANNEL 800V - 0.78 OHM - 9A TO-220/TO-220FP/TO-247 ZENER-PROTECTED SUPERMESH POWER MOSFET
3	STW10NK80Z	N-CHANNEL 800V - 0.78 OHM - 9A TO-220/TO-220FP/TO-247 ZENER-PROTECTED SUPERMESH POWER MOSFET

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