The requested file:
https://pdf.datasheetcatalog.com/datasheet/stmicroelectronics/7255.pdf
is the data sheet for the following electronic components:

ST Microelectronics

#	Part Name	Description
1	STGB3NB60KD	N-CHANNEL 600V 3A TO-220/TO-220FP/DPAK/D2PAK POWERMESH IGBT
2	STGD3NB60K	N-CHANNEL 600V 3A TO-220/TO-220FP/DPAK/D2PAK POWERMESH IGBT
3	STGD3NB60KT4	N-CHANNEL 600V 3A TO-220/TO-220FP/DPAK/D2PAK POWERMESH IGBT
4	STGP3NB60K	N-CHANNEL 600V 3A TO-220/TO-220FP/DPAK/D2PAK POWERMESH IGBT
5	STGP3NB60KD	N-CHANNEL 600V 3A TO-220/TO-220FP/DPAK/D2PAK POWERMESH IGBT
6	STGP3NB60KDFP	N-CHANNEL 600V 3A TO-220/TO-220FP/DPAK/D2PAK POWERMESH IGBT

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