Onsemi FSA4157P6 SPDT analog switch - Suffix X

When looking at FSA4157P6 from Onsemi, you may find a suffix X on the end of this part number. What is the difference between FSA4157P6 and FSA4157P6X?

Part Number Package Description Packing Method
FSA4157P6 SC-88-6 / SC-70-6 / SOT-363-6 250 units in Tape and Reel
FSA4157P6X SC-88-6 / SC-70-6 / SOT-363-6 3000 units in Tape and Reel
Applicable Part Numbers

FSA4157P6
FSA4157P6X

FSA4157P6CT-ND
FSA4157P6DKR-ND
FSA4157P6TR-ND
FSA4157P6XCT-ND
FSA4157P6XDKR-ND
FSA4157P6XTR-ND