Suffix for Microchip AT24C04C-SSHM- (B or T)

Looking at the difference between Microchip Technology AT24C04C-SSHM-T and AT24C04C-SSHM-B, the suffixes call out the packaging.

T = Tape & Reel Packaging
B = Bulk Packaging.

Click here for the Datasheet and you can find this info on Page 43.