PC3SF21YVZ Series PC3SF21YVZ Series ∗ VDRM : 6.
PC3SF21YTZ - DIP 6pin Phototriac Coupler for triggering
PC3SF21YVZ Series PC3SF21YVZ Series ∗ VDRM : 600V, Reinforced insulation type Zero cross type DIP 6pin Phototriac Coupler for triggering Non-zero c.