The requested file:
https://pdf.datasheetcatalog.com/datasheets/50/271993_DS.pdf
is the data sheet for the following electronic components:

Sanken

#	Part Name	Description
1	SI-3000V	3-Terminal/ Low Dropout Voltage Dropper Type
2	SI-3052	3-Terminal/ Low Dropout Voltage Dropper Type
3	SI-3052V	3-Terminal/ Low Dropout Voltage Dropper Type
4	SI-3122	3-Terminal/ Low Dropout Voltage Dropper Type
5	SI-3152	3-Terminal/ Low Dropout Voltage Dropper Type
6	SI3052V	3-Terminal/ Low Dropout Voltage Dropper Type
7	SI3122V	3-Terminal/ Low Dropout Voltage Dropper Type
8	SI3152V	3-Terminal/ Low Dropout Voltage Dropper Type

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