Hirose 2.54mm HIF3FB ; HIF3FC Series Low Profile PCB Pin Headers. HIF3FB and HIF3FC series 2.54mm low profile right angle and vertical PCB shrouded pin header connectors made from black UL94V-0 PBT with selective gold plated contacts. Vertical versions also have a flux tight design. These HIF3FB and HIF3FC series shrouded PCB headers have a low profile height of 9.2mm and a board to board clearance of 12.2mm for stacking connections. Typical applications for these HIF3F low profile shrouded PCB headers include computers, termination equipment, electronic equipment and office automation machines.