NF2D-B-9 Phono socket in black chrome D-shape housing, white isolation washers, solder version.   Phono (RCA) / Phono (RCA) Sockets Chassis Phono (RCA) socket in D-shape housing. TECHNICAL DATA Rated Current: 16A Rated Voltage: 50V Insulation Resistance: 5 G Contact Resistance: 10 m Dielectric Strength: 500V Solderability acc. IEC68-2-20 Temperature Range: -25ｰC to +70ｰC Materials and Platings: Shell of the RCA : Brass, Au plated contacts : Brass, Au plated D-housing: ZnAl4Cu1, gal Ni or black Cr plating Insulator: PA6+30GF