as you may know bridge rectifiers which makes use of four diodes in a brige arrangement to achieve full wave rectification, this is a widely used configuration. 
Explanation of a Full-Wave Bridge Rectifier. A full wave rectifier is an efficient mechanism for converting alternating current into direct current. 
 
Kingtroncis Bridge rectifiers are available at good pricing level, high quality level and excellent lead time. 
 
Kingtronics all parts areRoHS COMPIANT, and bridge rectifiers withUL approval. UL certification link:  
 
below range of kingtronics bridge rectifiers, which is strong in the market:
 
Bridge rectifier:  ABS2-ABS10, DB107, DB157S, MB10S, W04M, KBL410,  KBPC2510,  KBPC3510, KBJ608, GBU410, GBJ810...
 
Datasheets are availabe, with original manufacturer, and all parts are with kingtronics own brand, which with registered trade mark Kt.