TLP120 Original New Toshiba 1 Ch AC Input-Transistor Optocoupler 4 Pin SO4 P120

TLP281GB Original New Toshiba 1 Ch Transistor Output Optocoupler 4 Pin P281GB

PS2533L-1 Original New NEC 1 Ch Darlington Output Optocoupler 4 Pin DIP4 2533

4N26 Original New 1 Channel Transistor Output Optocoupler 6 Pin DIP6

TLP521-2 Original New Toshiba 2 Ch Transistor Output Optocoupler 8 Pin DIP8

TLP112A Original New Toshiba 1 Ch Output Optocoupler 5 Pin SOP5 P112A 1 Mbps

3 PCS H11L1 Original Fairchild 1 Ch Output Optocoupler 6 Pin DIP6 H11L1 1 Mbps

PC817 2/4/8 Channel Optocoupler Isolation Board Voltage Converter Adaptor Module