No.

itme

content

mark

1

basic series

PCB connector, No.23 series

CY23

2

structure

pin inserted in plug

T

socket inserted in receptacle

Z

socket inserted in plug

S

pin inserted in receptacle

P

3

number of contact

9?17?20?25?33?36?40?

41?44?49?61?66?77

mark the number

4

connection form

PCB dip solder, straight

B

PCB dip solder, elbow

W

wire solder

H

5

plating

gold plating

J

silver plating

omit

6

guiding form

guiding assembly, extended mounting

DL(straight)

DW(elbow)

fixed insert/withdrawal screw assembly extended mounting

GL

short, turing,insert/withdrawal screw assembly, extended mounting

R

turing,insert/withdrawal screw assembly, extended mounting

RL

short, turing,insert/withdrawal screw assembly

RS

example

For 25 contacts, pin inserted in plug, dip solder, elbow, extended mounting; socket inserted in receptacle, dip solder, straight,  extended mounting; gold plating contacts, the part number of plug is CY23T25WJ-DW, the part number of receptacle is CY23Z25BJ-DL; then the part number connector is CY23Z25 BJ-DL / WJ-DW.