8200-45PC BOARD 4"X5" 2XPTH/GND 0.1"|TWIN INDUSTRIES|Lead All|RoHS Mixed 8200-45-LF 8200-45-LFPC BOARD 4X5" FR4 2XPTH/GND 0.1"|TWIN INDUSTRIES|Lead free|RoHS Compliant 8200-45 8200-1020PC BOARD 10"X20" 2X PTH/GND 0.1"|TWIN INDUSTRIES|Lead All|RoHS Mixed 8200-1010