Download the HMM5122B datasheet PDF.
This datasheet also covers the HMM5122B_Hi variant, as both devices belong to the same zener diodes family and are provided as variant models within a single manufacturer datasheet.
Note: The manufacturer provides a single datasheet file (HMM5122B_Hi-SincerityMocroelectronics.pdf) that lists specifications for multiple related part numbers.
HMM5122B Datasheet
