A 2.1mm locking DC socket from Cliff with a solder connection and internal diameter of 2.1mm. * Colour: black * Contact resistance: 30mW max * Current rating: max: 2.0A, 16V DC * Insulation resistance: 100MW min at DC500V * Dielectric withstand voltage: AC 500V for 1 minute * Manufacturer's part FC681478 https://elecena.pl/product/27261052/cliff-fc681478-locking-dc-socket-2-1mm 2024-11-13 https://elecena.pl/product/27261052/cliff-fc681478-locking-dc-socket-2-1mm 2025-05-27