The 919-383J-51A is a right-angle MCX receptacle jack designed for printed circuit board mounting. It operates with a characteristic impedance of 50 Ohms across a frequency range of DC to 6 GHz. The connector is constructed with a nickel-plated brass body, a gold-plated Beryllium Copper (BeCu) contact, and a PTFE insulator. It is rated for a minimum durability of 500 mating cycles and can withstand a dielectric voltage of 1000 VRMS. This jack's wide operating temperature range of -65°C to +165°C makes it suitable for reliable use in various RF applications.