UL (E28476); CSA (LR7189). TE Connectivity MTA-100 Shrouded Headers. MTA-100 Shrouded Pin Headers with UL94V-0 black polyester wafers. MTA-100 Shrouded Pin Headers with part numbers X-644486-X have mounting pegs. Straight or Right Angle PCB mounting Mate with corresponding MTA 100 cable mounting sockets see stock number ; 535-4857 535-4857 typical.