|   | 
				  Full-wave rectifier 
				Introduced beginning of 1930s 
				  
					
						| Vf | Af | Va | mAa | series res. | cap. (max) |  
						| 4 | 2 | 500 | 120 | 50Ω | 32μF |  
						|  |  | 300 | 160 | 30Ω |  |    
					
						| Equivalent | 1561, 460BU, 75301, 
							APV4, D5-125B, DW3, G2004, G2504, G4200, 
							GL4, 
							KL75301, P4002, 
							R3, R4200, R561, RO431, TV90, U14, 
						V22, 
							V480, 
							VG3016, WE52 |    |