The requested file:
https://pdf.datasheetcatalog.com/datasheet/zetexsemiconductors/bcw65_66.pdf
is the data sheet for the following electronic components:

Zetex Semiconductors

#	Part Name	Description
1	BCW65	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
2	BCW65A	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
3	BCW65AR	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
4	BCW65B	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
5	BCW65BR	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
6	BCW65C	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
7	BCW65CR	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
8	BCW65F	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
9	BCW65FR	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
10	BCW65G	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
11	BCW65GR	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
12	BCW65H	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
13	BCW65HR	SOT23 NPN SILICON PLANAR MEDIUM POWER TRANSISTORS

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