POWERSEM厂家整流桥PSDH70/12PSDH70/14PSDH70/16PSDH110/04PSDH110/08PSDH110/12PSDH110/14PSDH110/16PSDH175/04PSDH175/08PSDH175/12PSDH175/16PSDH175/14三社可控硅PK25GB40PK25GB80PK55GB40PK55GB80PK90GB40PK90GB80PK200GB40PK200GB80PK250GB40PK250GB80PD25GB40PD25GB80PD55GB40PD55GB80PD90GB40PD90GB80PD200GB40PD200GB80)