The 3D4D16G72LB2832 from 3D Plus is a Space Qualified Memory with Storage Capacity 256 Mb, Bit Size 256M x 72 Bits, Radiation Dose 100 krad, Mass 3.80 gms, Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for 3D4D16G72LB2832 can be seen below.