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

Chenyi Electronics

#	Part Name	Description
1	1N957	0.5W SILICON PLANAR ZENER DIODES
2	1N958	0.5W SILICON PLANAR ZENER DIODES
3	1N959	0.5W SILICON PLANAR ZENER DIODES
4	1N960	0.5W SILICON PLANAR ZENER DIODES
5	1N961	0.5W SILICON PLANAR ZENER DIODES
6	1N962	0.5W SILICON PLANAR ZENER DIODES
7	1N963	0.5W SILICON PLANAR ZENER DIODES
8	1N964	0.5W SILICON PLANAR ZENER DIODES
9	1N965	0.5W SILICON PLANAR ZENER DIODES
10	1N966	0.5W SILICON PLANAR ZENER DIODES
11	1N967	0.5W SILICON PLANAR ZENER DIODES
12	1N968	0.5W SILICON PLANAR ZENER DIODES
13	1N969	0.5W SILICON PLANAR ZENER DIODES
14	1N970	0.5W SILICON PLANAR ZENER DIODES
15	1N971	0.5W SILICON PLANAR ZENER DIODES
16	1N972	0.5W SILICON PLANAR ZENER DIODES
17	1N973	0.5W SILICON PLANAR ZENER DIODES
18	1N974	0.5W SILICON PLANAR ZENER DIODES
19	1N975	0.5W SILICON PLANAR ZENER DIODES
20	1N976	0.5W SILICON PLANAR ZENER DIODES
21	1N977	0.5W SILICON PLANAR ZENER DIODES
22	1N978	0.5W SILICON PLANAR ZENER DIODES

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