oval) After PN PN Description Packing quantity None TLP521-4, TLP521-4GR, TLP521-4BL, TLP521-4GB Standard DIP16 25 pcs per tube G TLP521-4G, TLP521-4GRG, TLP521-4BLG, TLP521-4GBG 10mm Lead Spacing 25 pcs per tube SM TLP521-4SM, TLP521-4GRSM, TLP521-4BLSM, TLP521-4GBSM Surface Mount 25 pcs per tube 6 20/01/2017 DD93208 ISOCOM COMPONENTS TLP521, TLP521-2, TLP521-4 ORDER INFORMATION TLP521X (UL and VDE Approvals) After PN Description PN Packing quantity None TLP521X, TLP521XGR, TLP521XBL, TLP521XGB Standard DIP4 100 pcs per tube G TLP521XG, TLP521XGRG, TLP521XBLG, TLP521XGBG 10mm Lead Spacing 100 pcs per tube SM TLP521XSM, TLP521XGRSM, TLP521XBLSM, TLP521XGBSM Surface Mount 100 pcs per tube SMT&R TLP521XSMT&R, TLP521XGRSMT&R, TLP521XBLSMT&R, TLP521XGBXSMT&R Surface Mount Tape & Reel 1000 pcs per reel TLP521-2X (UL and VDE Approvals) After PN Description PN Standard DIP8 Packing quantity None TLP521-2X, TLP521-2XGR, TLP521-2XBL, TLP521-2XGB 50 pcs per tube G TLP521-2XG, TLP521-2XGRG 10mm Lead Spacing