Please keep in mind that Shaanxi Electronic Grouptech Co.,Ltd. make SMD series surface mount power inductors include SP series from SP31 till SP105,SPF series from SPF1608 till SPF5022,SPG series from SPG0504 till SPG1306,SPDU series,SPD series,SPDR series,SPRH series,SPC series,SPRB series,CD series,HPI series,TPW series,CPW series,HPW series,DH series,LQC series,LQN series,HP series,SL series,NR series,HTP series,RHC series,TPR series,DSL series,RHC-B big current series,HPC series,HPC12 series,digital amplifier used the flat wire power inductors from PE17 till PE22 series,chip inductors such as FCM series,HCB series,FCI series,HCI series,SWF series,SWI series,filter SMD inductors such as WCM series,T4W and T5W series,DRM series,DMC series,plug pcb mount inductors such as RI series,RI-S series, etc.