可直接代换的型号 

原型号       代换型 

IX0238           uPC1378 
IX0355           uPC1 

KA2131           AN55 

IX0948          AN552 

IX0640          LA7830 

                                     大电流代替小电流 

                          原型号               可代换型号 

                           LA7837             LA7838 

                          AN5515              AN5521 

                          AN5531              AN5530 

                         AN5532                AN5530      AN5531 

                         TDA3651               TDA3562     TDA3564  

                         TDA3653               TDA3652      TDA3654 

                           

注：upc1378H坏有的资料说可用LA7830代，但个别机型不能用LA7830带代。