The requested file:
https://pdf.datasheetcatalog.com/datasheets/90/377379_DS.pdf
is the data sheet for the following electronic components:

Vishay

#	Part Name	Description
1	TCST110	Transmissive Optical Sensor with Phototransistor Output
2	TCST1103	Transmissive Optical Sensor with Phototransistor Output
3	TCST1202	Transmissive Optical Sensor with Phototransistor Output
4	TCST1300	Transmissive Optical Sensor with Phototransistor Output
5	TCST2103	Transmissive Optical Sensor with Phototransistor Output
6	TCST2202	Transmissive Optical Sensor with Phototransistor Output
7	TCST2300	Transmissive Optical Sensor with Phototransistor Output

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