The requested file:
https://pdf.datasheetcatalog.com/datasheet/RECTRON/BR256.pdf
is the data sheet for the following electronic components:

Rectron Semiconductor

#	Part Name	Description
1	BR2505	SINGLE-PHASE SILICON BRIDGE RECTIFIER
2	BR251	SINGLE-PHASE SILICON BRIDGE RECTIFIER
3	BR2510	SINGLE-PHASE SILICON BRIDGE RECTIFIER
4	BR254	SINGLE-PHASE SILICON BRIDGE RECTIFIER
5	BR256	SINGLE-PHASE SILICON BRIDGE RECTIFIER
6	BR258	SINGLE-PHASE SILICON BRIDGE RECTIFIER

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