The 54-00164 is a surface-mount, 90-degree DC power jack designed to accept a 5.5x2.1 mm plug. It is rated for a maximum operating voltage of 48V and a maximum current of 5.5A. The connector features silver-plated brass terminals and phosphor bronze contacts for low contact resistance, with a high-temperature PA9T insulator. It is engineered for durability with a life cycle of 5000 mating cycles and an operating temperature range of -20°C to 70°C. This RoHS compliant jack is ideal for power input connections on PCBs in various electronic devices.