Submission Levels
Level 1
Only the PSW is submitted to the customer and AAR, if applicable
Level 2
The PSW with samples and limited supporting data are submitted
Level 3
The PSW with samples and complete supporting data are submitted
Level 4
The PSW and other requirements as specified by customer are submitted
Level 5
The PSW with sample parts and complete supporting data are available for assessment at Littelfuse production location