The GBU6G is a 400V, 6A single-phase bridge rectifier from On Semiconductor. It features a glass-passivated junction and is housed in a GBU through-hole package.
The GBU604 is a 400V, 6A single phase bridge rectifier from Diodes Incorporated. It features a standard recovery, glass passivated junction in a GBU through-hole package.
The GBU8G-BP is a single-phase bridge rectifier from Micro Commercial, rated for 400V peak reverse voltage and 8A average rectified current. It comes in a through-hole GBU package.