LM2901: Difference between PN# LM2901DRG3 & LM2901DR

Hello Saurabh,

The following page summarizes the "E/G" differences:

 https://www.ti.com/support-quality/environmental-info/logo-product-labeling.html

The biggest difference is the lead plating. This is shown in the "Quality Information" section of the devices:

 LM2901DR (NIPDAU or SN)

 LM2901DRG3  (SN)

So ordering the "G3" version ensures that you get tin (SN) plating. The "Non-G" is sourced from multiple assembly sites and the plating can vary depending on the site.

Electrically and physically they are identical - except for the leadframe plating.

Hello Saurabh,

Please see the following pages.

 https://www.ti.com/support-quality/environmental-info/lead-free.html

 https://www.ti.com/support-quality/environmental-info/lead-finish-tin-plating.html

The lifetime is shown "MSL rating / Peak reflow" section of the product folder.

https://www.ti.com/store/ti/en/p/product/?p=LM2901DRG3

or from the quality page

 https://www.ti.com/quality-reliability-packaging-download/report?opn=LM2901DRG3

It states "Level-1-260C-UNLIM", which means Level 1 moisture sensitivity, 260C max reflow and unlimited shelf life.

The the G3, E4 & G4 are all "Level-1-260C-UNLIM".

Response back was no nickel underlayer below Sn.

Chuck