FE0440 E80/38/20 Triple Stack Bobbin Description Order code E80/38/20 Triple Stack Bobbin PET Dupont Rynite FR530L, Black. UL94VO rated. FE0440FR3BLK E80/38/20 Triple Stack Bobbin DuPont Zytel 70G30HSL, Black, UL94HB rated FE0440Z30BLK