When looking at the CMD Series of LEDs from VCC (Visual Communications Company) there are a couple different suffixes on their tape and reel product.
TR7 Gull Wing
TR8 Axial Flat Top View
TR9 “Yoke” Lead LED
TR10 “Z-bend” LEAD LED
Applicable Part Numbers
CMD17-21VRC/TR8 CMD17-21VGD/TR8 CMD17-21VRD/TR8 CMD28-21VGC/TR8 CMD28-21VRC/TR8 CMD17-21SRC/TR8 CMD17-21VYC/TR8 CMD17-21UGC/TR8 CMD17-21VYD/TR8 CMD67-21VGC/TR8 CMD67-21VRC/TR8 CMD67-21URC/TR8 CMD2821VRCTR8T1 CMD2821VGCTR8T1 CMD2821VYCTR8T1 CMD17-21VGC/TR8 CMD67-21VYC/TR8 CMD67-21UWC/TR8 CMD67-21SRC/TR8 CMD28-21VYC/TR8 CMD28-21SRC/TR8 CMD28-21VYC/TR8/T1 CMD28-21SRC/TR8/T1 CMD17-21UYC/TR8 CMD67-21UBC/TR8 CMD17-21UBC/TR8