The ON Semiconductor NC7SZ125 has the following suffix callouts
M5X is the package type SC−74A
P5X is the package type SC−88A
L6X is the package type MicroPak
FHX is the package type MicroPak2
Active part number at Digi-Key , Click Here
Orderable part numbers on page 6 of data sheet , https://www.onsemi.com/pub/Collateral/NC7SZ125-D.PDF