The requested file:
https://pdf.datasheetcatalog.com/datasheets2/35/351802_1.pdf
is the data sheet for the following electronic components:

etc

#	Part Name	Description
1	TS6121A	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE
2	TS6121B	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE
3	TS6121C	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE
4	TS6121CX	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE
5	TS6121E	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE
6	TS6121F	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE
7	TS6121G	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE
8	TS6121H	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE
9	TS6121K	10/100 BASE PULSE TRANSFORMERS (SMD) SMALL SIZE

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