Z4DGP4xxL-HF Low VF SMD Bridge Rectifiers Comchip Z4DGP4xxL-HF Low VF SMD Bridge Rectifiers have a low forward voltage under the typical 1.1V or higher and are housed in a very compact and thin package for bridge rectifiers. The internal structure features a Glass Passivated Rectifier Chip (GPRC) inside and a lead-less chip form with no lead damage. These high-current rectifiers are Underwriters Laboratory Flammability Classified 94V-0.