Hi @jasonkang ,
Welcome to DigiKey TechForum.
Sorry, there are 11 different manufacturers that supply MPN#SMAJ13A.
Transient Voltage Suppressors (TVS) | Electronic Components Distributor DigiKey
Which one are you looking for?
For example, if you are looking for MPN#SMAJ13A from Littelfuse Inc.
You can find the RoHS cert at the document & media list of the product detail page:
If there is no RoHS cert on the product detail page, please request the RoHS cert to our team.
Please go to the DigiKey website > site map at the website bottom > Contact Us > Environmental Information Request
For the details, please refer to
RoHS, RoHS2, REACH, Conflict Minerals or MDS Request