RS 5.08mm Vertical PCB Terminal Block Headers. 5.08mm pitch vertical mount PCB terminal block headers made from green UL94-V0 flame retardant PA with a closed end design and polarised mouldings. These 5.08mm pluggable PCB terminal block headers have guided pin alignment and mate with 5.08mm pitch female terminal block plug connectors, see stock number ; 897-1219 897-1219 typically