If this is a (e.g., from a CNC machine, printing press, or robotics):
If you found the text "top" printed on the device or stamped on the reel, it usually indicates the orientation (Package Top) or the brand grading for that specific batch. tpmt5522pc821 top
A common industry practice: [prefix][size/rating][config][rev/lot][orientation] Product Highlight: TPMT5522PC821 TOP mechanical part If this