Available in top-entry (vertical) and side-entry (horizontal), the RoHS compliant, fully shrouded headers are made of glass-filled PBT rated 94V-0 plastic. The copper alloy posts are reflow treated pre-tin plating over copper underplating and feature a locking ramp to accommodate the mating, positive locking receptacle. The headers are offered with a locating boss for polarized placement on the PCB. The top-entry headers are available without this boss as well.