BKL Electronic Power Connectors Accessories BNC connector 630432 - BKL 0401256/D, BKL Electronic manufactures the BNC connector Plug, part number 0401256/D, which is a straight connector with an impedance of 50 ohms. This high-frequency coaxial connector is ideal for use in telecommunications and broadcast applications. It is designed for reliable performance in connecting RF equipment and antennas. BKL 0401256/D BNC Connector Plug Straight 50O Fits LCD/Plasma TVs