HCPL-2730 Dual channel low input, high gain optocoupler by Hewlett-Packard (now Avago). Package: 8-DIP (Dual 6N138) Download Hewlett-Packard HCPL-2730 .pdf datasheet: Status: NOS (New Old Stock) Individually tested components: YES (unless in sealed RS foil bags) ex RS. Components : RS Part number: RS302-126, RoHS compliant: no