What difference between CLRC66301HN and CLRC663O2HN?
Hello Mengya,
From the list, you can see CLRC66301HN's MSL is level 2 and CLRC66302HN's is level 1.
MSL means: Moisture Sensitive Level.
CLRC66302HN's MSL is higher than that of CLRC66301HN.
Best Regards,
Weidong