The 919-118J-51P is a surface-mount MCX jack receptacle from Amphenol RF. This connector is engineered with a characteristic impedance of 50 Ohms and operates efficiently over a frequency range of 0-2 GHz with a maximum VSWR of 1.2. It features a gold-plated brass body, a gold-plated beryllium copper contact, and a PTFE insulator, ensuring reliable signal transmission. The component is rated for 500 mating cycles and can withstand a dielectric voltage of 1000 VRMS. Its robust design is suitable for various RF applications requiring a durable, high-frequency, surface-mounted connection, operating in temperatures from -40°C to +85°C.