2pcs 6N137 DIP8 DIP-8 Optoisolators Transistor Output

10PCS NEW original DIP-8 6N137 Optoisolators Transistor Output EL

5PCS TLP521-2 DIP-8 Optoisolators Transistor Output TOSHIBA

5pcs 6N137 DIP8 DIP-8 Optoisolators Transistor Output

5PCS original DIP-6 MOC3081 Optoisolators Transistor Output FAIRCHILD

5PCS original DIP-8 6N137 Optoisolators Transistor Output EL CA NEW

10PCS TLP521-2 DIP-8 Optoisolators Transistor Output TOSHIBA

5PCS DIP-6 MOC3020 Optoisolators Transistor Output FAIRCHILD