The requested file:
https://pdf.datasheetcatalog.com/datasheet/WINGS/1N5406.pdf
is the data sheet for the following electronic components:

Wing Shing Computer Components

#	Part Name	Description
1	1N5400	SILICON RECTIFIER(VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 3.0 Amperes)
2	1N5401	SILICON RECTIFIER(VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 3.0 Amperes)
3	1N5402	SILICON RECTIFIER(VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 3.0 Amperes)
4	1N5404	SILICON RECTIFIER(VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 3.0 Amperes)
5	1N5406	SILICON RECTIFIER(VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 3.0 Amperes)
6	1N5407	SILICON RECTIFIER(VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 3.0 Amperes)
7	1N5408	SILICON RECTIFIER(VOLTAGE RANGE - 50 to 1000 Volts CURRENT - 3.0 Amperes)

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