E202 and E562 current diodes

[Ryssen]

I have alot of 6 of these diods. There should be 4 E202 and 2 E562,how do I mesure them so I se wich is wich?

 

[UserAbuser]

Are they not labelled ?
Looks like they should have apart number on them.

E562
Current Regulator Diodes 100V 5.6mA
https://www.mouser.com/ProductDetail/Semitec/E-562?qs=wgO0AD0o1vudQ6PtNBE4BA==

E202
Current Regulator Diodes 100V 2mA
https://www.mouser.com/ProductDetail/Semitec/E-202?qs=wgO0AD0o1vtsf3eUHD2UhA==