Regarding ROHS marking of SKY13351-378LF

regarding SKY13351-378LF, parts with 16+ date code are printed with e3 on the labels and parts with 17+ date code are printed with e4, but I can not find any PCN docs on skyworks website ,how to explain such change of lead material?thx

Hi @TAMMYHO
Would you share a photo of your label for our reference?

Hello Barley,

Please check below pictures:

InsertPic_CC6C.jpg

Hi please see link below. Glenda

The datasheet also states the products are Skyworks Green.

image

Here is the Definition of Green Document SQ04-0074
skyworks_greendefinition.pdf (184.6 KB)